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CN106119245A - For detecting nucleotide sequence and the detection method thereof of herbicide tolerant bean plant DBN9001 - Google Patents

For detecting nucleotide sequence and the detection method thereof of herbicide tolerant bean plant DBN9001 Download PDF

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CN106119245A
CN106119245A CN201610440595.1A CN201610440595A CN106119245A CN 106119245 A CN106119245 A CN 106119245A CN 201610440595 A CN201610440595 A CN 201610440595A CN 106119245 A CN106119245 A CN 106119245A
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seq
dna
sequence
plant
complementary series
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CN106119245B (en
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王登元
于彩虹
张成伟
韩超
李晓娇
姜自芹
张良君
吴竹筠
田康乐
鲍晓明
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Beijing Dabeinong Biotechnology Co Ltd
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Beijing Dbn Biotech Co Ltd
Beijing Dabeinong Technology Group Co Ltd
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Abstract

The present invention relates to a kind of nucleotide sequence for detecting herbicide tolerant bean plant DBN9001 and detection method thereof, the nucleotide sequence of described bean plant includes SEQ ID NO:1 or its complementary series or SEQ ID NO:2 or its complementary series.Transgenic soybean event DBN9001 of the present invention has preferable toleration to glyphosate herbicidal and glufosinate-ammonium herbicide, on yield without impact, and detection method can identify the DNA molecular whether comprising transgenic soybean event DBN9001 in biological sample quickly and accurately.

Description

For detecting nucleotide sequence and the inspection thereof of herbicide tolerant bean plant DBN9001 Survey method
Technical field
The present invention relates to a kind of nucleotide sequence for detecting herbicide tolerant bean plant DBN9001 and detection side thereof Whether method, particularly relate to comprise in a kind of bean plant DBN9001 tolerating glyphosate and glufosinate-ammonium and detection biological sample The method of the DNA molecular of specific transgenic soybean event DBN9001.
Background technology
N-phosphonomethylglycine, also referred to as glyphosate, be a kind of inner sucting conduction type chronic wide spectrum steriland herbicide.Grass Sweet phosphine is the competing of synthesis substrate phosphoenolpyruvic acid (PEP) of 5-enol pyruvylshikimate-3-phosphate synthase (EPSPS) Striving property inhibitor, can suppress PEP and 3-phosphoric acid shikimic acid both substrates to 5-enolpyruvyl acyl Folium illicii Lanceolati under EPSPS is catalyzed The conversion of acid-3-phosphoric acid shikimic acid, thus block the route of synthesis of aromatic amino acid synthesis precursor-shikimic acid, make protein Synthesis be interfered and cause plant and bacterial death.
Glyphosate tolerant can be realized by the EPSPS that expression is modified.Glyphosate is had lower by the EPSPS modified Affinity, thus in the presence of glyphosate, EPSPS maintains their catalysis activity, i.e. obtains glyphosate resistance to By property.
Semen sojae atricolor (Glycine max) is one of big main cultivation crop in the world five.In Soybean production, herbicide tolerant is one The economical character that item is important, the particularly toleration to glyphosate herbicidal.Semen sojae atricolor is permissible to the toleration of glyphosate herbicidal Make glyphosate herbicide tolerant type gene (EPSPS, CP4) express in bean plant by transgene method and obtain, example Such as soybean event GTS40-3-2, soybean event MON89788 etc..
The increase day by day that the commonly used and glyphosate of glyphosate tolerant tillage systems uses already leads to grass in recent years Sweet phosphine resistant weed popular.Grower in the face of glyphosate-resistant weeds or to the ground of the weed species transformation being more difficult to control District, grower can be by mixing with other herbicides that can control to omit weeds or be used interchangeably to compensate the weak of glyphosate Point.
Glufosinate-ammonium is a kind of non-systemic in phosphinothricin class herbicide, nonselective herbicide.It is mainly used in 1 year Control after being unearthed of raw or perennial broadleaf weed, be to glutamine by L-phosphinothricin (active component in glufosinate-ammonium) The irreversible suppression of synthase (a kind of enzyme required for the ammonolysis poison in plant) controls weeds.Root is killed not with glyphosate With, glufosinate-ammonium first kills leaf, can be conducted at plant xylem by plant transpiration effect, between its quick-acting in N,N'-dimethyl-.gamma..gamma.'-dipyridylium and Between glyphosate.
The phosphinothricin N-acetyl transferring enzyme (PAT) separated from streptomycete is converted by acetylation catalysis L-phosphinothricin For its inactive form.The gene of the plant optimization form expressing PAT has used to give Semen sojae atricolor to glufosinate-ammonium in Semen sojae atricolor The toleration of herbicide, such as soybean event A5547-127.Therefore it is applied in combination glufosinate-ammonium weeding with glufosinate tolerant character Agent can be as the non-selective means of a kind of effective management glyphosate-resistant weeds.
In future, along with popularization and the establishing in large scale of transgenic pest-resistant Semen sojae atricolor, the insecticide/insect survived on a small quantity After several generations is bred, it is possible to create resistance.Transgenic herbicide-tolerant Semen sojae atricolor as non-pest-resistant genetically engineered soybean, and turns base Because pest-resistant Semen sojae atricolor is planted in the lump with certain proportion, insecticide/insect can be delayed to produce resistance.
The expression in plant of the known exogenous gene is affected by their chromosome position, it may be possible to due to dyeing Matter structure (such as heterochromatin) or transcription regulatory element (such as enhancer) are close to integration site.To this end, it is a large amount of to typically require screening Event it is possible to identify can be with business-like event the event of optimal expression (target gene i.e. imported obtain).Example As, in plant and other biological body, have been observed that the expression of quiding gene may have the biggest difference between event；At table Difference may be there is also, as the relative expression of transgenic exists difference between different plant tissues on the space reached or temporal mode Different, this species diversity shows that actual expression pattern may be pre-with according to the transcription regulatory element institute in the gene construct imported The expression pattern of phase is inconsistent.It is thus typically necessary to produce hundreds and thousands of different events and filter out from these events There is transgene expression amount desired for the purpose of commercialization and the single incident of expression pattern.There is intended transgenic table The event of the amount of reaching and expression pattern can be used for using conventional breeding methods, by sexual outcross, transgenic is penetrated into other In genetic background.The offspring produced by this Crossing system maintains the transgene expression feature of original transformant.Apply this Plant strategy pattern and may insure that there is in many kinds reliable gene expression, and these kinds can well adapt to locality Growth conditions.
Can detect the existence of particular event whether comprising genes of interest with the offspring determining sexual hybridization to be useful. Additionally, the method for detection particular event also will assist in accordance with relevant laws and regulations, the food such as deriving from restructuring crops is being thrown Need before entering market obtain official approval and be marked.Transgenic is detected by the polynucleotide detection method known to any Existence be all possible, such as polymerase chain reaction (PCR) or utilize the DNA hybridization of polynucleotide probes.These detections Method is usually focused on conventional genetic elements, such as promoter, terminator, marker gene etc..Therefore, unless with insert turn The sequence of the chromosomal DNA (" flanking DNA ") that gene DNA is adjacent is that oneself knows, above-mentioned this method cannot be used for distinguishing Different events, particularly those events produced by identical DNA construct.So, the most often utilize and span insertion The pair of primers of the junction of transgenic and flanking DNA identifies transgenic particular event by PCR, specifically comprises First primer of flanking sequence and the second primer comprising insertion sequence.
Summary of the invention
It is an object of the invention to provide a kind of nucleotide sequence for detecting herbicide tolerant bean plant DBN9001 and Its detection method, transgenic soybean event DBN9001 has preferable toleration to glyphosate herbicidal and glufosinate-ammonium herbicide, And detection method can identify in biological sample the DNA whether comprising specific transgenic soybean event DBN9001 quickly and accurately Molecule.
For achieving the above object, the invention provides a kind of nucleic acid molecules with following nucleotide sequence, described nucleic acid sequence Row include in SEQ ID NO:3 or its complementary series at least 11 continuous print nucleotide and/or SEQID NO:4 or its complementary sequence At least 11 continuous print nucleotide in row.
Preferably, described nucleotide sequence includes SEQ ID NO:1 or its complementary series and/or SEQ ID NO:2 or it is mutual Complementary series.
Further, described nucleotide sequence include SEQ ID NO:3 or its complementary series and/or SEQ ID NO:4 or its Complementary series.
Further, described nucleotide sequence includes SEQ ID NO:5 or its complementary series.
Described SEQ ID NO:1 or its complementary series are 5 ' ends in transgenic soybean event DBN9001 at insertion sequence End is positioned at the sequence inserting a length of 22 nucleotide near junction, described SEQ ID NO:1 or its complementary sequence Row span the flanking genomic DNA sequence of Semen sojae atricolor insertion point and the DNA sequence of 5 ' ends of insertion sequence, comprise described SEQ ID NO:1 or its complementary series can be accredited as the existence of transgenic soybean event DBN9001.Described SEQ ID NO:2 Or its complementary series is that in transgenic soybean event DBN9001,3 ' ends at insertion sequence are positioned near insertion junction The sequence of one a length of 22 nucleotide, described SEQ ID NO:2 or its complementary series span 3 ' ends of insertion sequence DNA sequence and the flanking genomic DNA sequence of Semen sojae atricolor insertion point, comprise described SEQ ID NO:2 or its complementary series i.e. The existence of transgenic soybean event DBN9001 can be accredited as.
In the present invention, described nucleotide sequence can be that in described SEQ ID NO:3 or its complementary series, transgenic inserts sequence Any portion of at least 11 or the more continuous polynucleotide (the first nucleotide sequence) of row, or be described SEQ ID NO: 3 or its complementary series in any portion of at least 11 or more continuous many nucleoside in 5 ' flank Soybean genomic DNA regions Acid (the second nucleotide sequence).Described nucleotide sequence can be homology further in or be complementary to comprise complete described SEQ ID A part of the described SEQ ID NO:3 of NO:1.When the first nucleotide sequence and the second nucleotide sequence are used together, these nucleic acid Sequence can be as DNA primer in the DNA cloning method for producing amplified production.Use DNA primer in DNA cloning method When the amplified production of middle generation is the amplified production including SEQ ID NO:1, can diagnose transgenic soybean event DBN9001 or The existence of its offspring.Well known to those skilled in the art, the first and second nucleotide sequences need not be only made up of DNA, it is possible to bag Include the mixture of RNA, DNA and RNA, or DNA, RNA or other not as one or more polymerase templates nucleotide or The combination of its analog.Additionally, heretofore described probe or primer should be at least about 11,12,13,14,15,16,17, 18, the length of 19,20,21 or 22 continuous nucleotides, it can be selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID Nucleotide described in NO:3, SEQ ID NO:4 and SEQ ID NO:5.When selected from SEQ ID NO:3, SEQ ID NO:4 and During nucleotide shown in SEQ ID NO:5, described probe and primer can be length be at least about 21 to about 50 or More continuous nucleotide.Described SEQ ID NO:3 or its complementary series are to insert sequence in transgenic soybean event DBN9001 5 ' ends of row are positioned at the sequence inserting a length of 780 nucleotide near junction, described SEQ ID NO:3 or Its complementary series by the Semen sojae atricolor flanking genomic DNA sequence (the nucleotide 1-476 of SEQ ID NO:3) of 476 nucleotide, 39 The bonding land sequence (the nucleotide 477-515 of SEQ ID NO:3) of nucleotide and the prGm17gTsf1 of 265 nucleotide start Subsequence 3 ' end DNA sequence (the nucleotide 516-780 of SEQ ID NO:3) composition, comprise described SEQ ID NO:3 or its Complementary series can be accredited as the existence of transgenic soybean event DBN9001.
Described nucleotide sequence can be any portion of transgene insert sequence in described SEQ ID NO:4 or its complementary series At least 11 or the more continuous polynucleotide (the 3rd nucleotide sequence) divided, or be described SEQID NO:4 or its complementary sequence Any portion of at least 11 or more continuous polynucleotide (the 4th nucleic acid in 3 ' flank Soybean genomic DNA regions in row Sequence).Described nucleotide sequence further can for homology in or be complementary to comprise described in complete described SEQ ID NO:2 A part of SEQ ID NO:4.When the 3rd nucleotide sequence and the 4th nucleotide sequence are used together, these nucleotide sequences can conduct DNA primer is in the DNA cloning method for producing amplified production.Use the DNA primer expansion to producing in DNA cloning method Volume increase thing is when being the amplified production including SEQ ID NO:2, can diagnose depositing of transgenic soybean event DBN9001 or its offspring ?.Described SEQ ID NO:4 or its complementary series are that in transgenic soybean event DBN9001,3 ' ends at insertion sequence are positioned at Insert the sequence of a length of 877 nucleotide near junction, described SEQ ID NO:4 or its complementary series by The phosphinothricin N-acetyl transferring enzyme cPAT sequence (the nucleotide 1-183 of SEQ ID NO:4) of 183 nucleotide, 21 cores The carrier intervening sequence (the nucleotide 184-204 of SEQ ID NO:4) of thuja acid, the t35S terminator sequence of 195 nucleotide Nucleotide (SEQ ID NO:4 in (the nucleotide 205-399 of SEQ ID NO:4), 10 pDBN4003 construct DNA sequence Nucleotide 400-409) and 468 nucleotide Semen sojae atricolor integration site flanking genomic DNA sequence (SEQ ID NO:4's 410-879) composition, comprises described SEQ ID NO:4 or its complementary series can be accredited as transgenic soybean event DBN9001's Exist.
Described SEQ ID NO:5 or its complementary series are characterize transgenic soybean event DBN9001 a length of 6644 The sequence of nucleotide, its genome specifically comprised and genetic elements are as shown in table 1.Comprise described SEQ ID NO:5 or it is mutual Complementary series can be accredited as the existence of transgenic soybean event DBN9001.
Genome that table 1, SEQ ID NO:5 comprise and genetic elements
Described nucleotide sequence or its complementary series can be used for produce amplicon in DNA cloning method, the inspection of described amplicon Survey transgenic soybean event DBN9001 or the existence of its offspring in diagnosis biological sample；Described nucleotide sequence or its complementary series Can be used in nucleotide detection method, to detect transgenic soybean event DBN9001 or the existence of its offspring in biological sample.
For achieving the above object, present invention also offers and a kind of detect the DNA of transgenic soybean event DBN9001 in sample The method existed, including:
Detected sample is made to contact in nucleic acid amplification reaction with for expanding at least two primer of target amplification product；
Carry out nucleic acid amplification reaction；With
Detect the existence of described target amplification product；
Described target amplification product include in SEQ ID NO:3 or its complementary series at least 11 continuous print nucleotide and/ Or at least 11 continuous print nucleotide in SEQ ID NO:4 or its complementary series.
Further, 1-11 position or 12-during described target amplification product includes SEQ ID NO:1 or its complementary series 1-11 position or 12-22 position continuous nucleotide in 22 continuous nucleotides and/or SEQ ID NO:2 or its complementary series.
Further, described target amplification product includes selected from following at least one: SEQ ID NO:1 or it is complementary Sequence, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or its complementary sequence Row.
In technique scheme, at least one described primer includes described nucleotide sequence or its fragment or complementation therewith Sequence.
Specifically, described primer includes the first primer and the second primer, described first primer selected from SEQ ID NO:8 and SEQ ID NO:10；Described second primer is selected from SEQ ID NO:9 and SEQ ID NO:11.
For achieving the above object, present invention also offers and a kind of detect the DNA of transgenic soybean event DBN9001 in sample The method existed, including:
Making detected sample contact with probe, described probe includes in SEQ ID NO:3 or its complementary series at least 11 At least 11 continuous print nucleotide in continuous print nucleotide and/or SEQ ID NO:4 or its complementary series；
Described detected sample and described probe is made to hybridize under stringent hybridization condition；With
Detect described detected sample and the hybridisation events of described probe.
Described stringent condition can be in 6 × SSC (sodium citrate), 0.5%SDS (sodium lauryl sulphate) solution, Hybridize at 65 DEG C, then respectively wash film 1 time with 2 × SSC, 0.1%SDS and 1 × SSC, 0.1%SDS.
Further, during described probe includes SEQ ID NO:1 or its complementary series, 1-11 position or 12-22 position are continuous 1-11 position or 12-22 position continuous nucleotide in nucleotide and/or SEQ ID NO:2 or its complementary series.
Further, described probe comprises selected from following at least one: SEQ ID NO:1 or its complementary series, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or its complementary series.
Selectively, at least one described probe is with at least one fluorophor labelling.
For achieving the above object, present invention also offers and a kind of detect the DNA of transgenic soybean event DBN9001 in sample The method existed, including:
Make detected sample contact with label nucleic acid molecules, described label nucleic acid molecules include SEQ ID NO:3 or At least 11 continuous print at least 11 continuous print nucleotide and/or SEQ ID NO:4 or its complementary series in its complementary series Nucleotide；
Described detected sample and described label nucleic acid molecules is made to hybridize under stringent hybridization condition；With
Detect described detected sample and the hybridisation events of described label nucleic acid molecules, and then educated by label auxiliary Planting analysis to determine glyphosate tolerant and/or glufosinate tolerant and label nucleic acid molecules is chain on hereditism.
Further, 1-11 position or during described label nucleic acid molecules includes SEQ ID NO:1 or its complementary series The continuous nucleoside in 1-11 position or 12-22 position in 12-22 position continuous nucleotide and/or SEQ ID NO:2 or its complementary series Acid.
Further, described label nucleic acid molecules includes selected from following at least one: SEQ ID NO:1 or it is mutual Complementary series, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or it is complementary Sequence.
For achieving the above object, present invention also offers a kind of DNA detection test kit, including at least one DNA molecular, institute State DNA molecular and include at least 11 continuous print nucleotide and/or SEQ in the homologous sequence of SEQ ID NO:3 or its complementary series At least 11 continuous print nucleotide in the homologous sequence of ID NO:4 or its complementary series, it can be as genetically engineered soybean Event DBN9001 or its offspring have specific DNA primer or probe.
Further, 1-11 position or 12-22 position during described DNA molecular includes SEQ ID NO:1 or its complementary series 1-11 position or 12-22 position continuous nucleotide in continuous nucleotide and/or SEQ ID NO:2 or its complementary series.
Further, described DNA molecular includes selected from following at least one: the homologous sequence of SEQ ID NO:1 or Its complementary series, the homologous sequence of SEQ ID NO:2 or its complementary series, the homologous sequence of SEQ ID NO:6 or its complementary sequence Row and the homologous sequence of SEQ ID NO:7 or its complementary series.
For achieving the above object, present invention also offers a kind of plant cell or part, comprise coding glyphosate tolerant The nucleotide sequence of EPSPS albumen, the nucleotide sequence of coding glufosinate tolerant PAT albumen and the nucleotide sequence of specific region, institute State the nucleotide sequence of specific region and include selected from following at least one: SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO: Sequence shown in 6 and SEQ ID NO:7.
For achieving the above object, present invention also offers a kind of generation glyphosate herbicidal and/or glufosinate-ammonium herbicide The method with the soybean plant strain of toleration, including introducing coding glyphosate tolerant in the genome of described soybean plant strain The nucleotide sequence of EPSPS albumen and/or the nucleotide sequence of coding glufosinate tolerant PAT albumen and the nucleic acid of specific region Sequence, the nucleotide sequence of described specific region is selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO: 4, at least one nucleotide sequence in sequence shown in SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7.
Specifically, described generation has the soybean plant strain of toleration to glyphosate herbicidal and/or glufosinate-ammonium herbicide Method includes:
Glyphosate herbicidal and/or glufosinate-ammonium herbicide will be had the transgenic soybean event DBN9001 of toleration One parental soybean plant and the second parental soybean plant sexual hybridization lacking glyphosate and/or glufosinate tolerant, thus produce Raw a large amount of progeny plants；
With progeny plant described in glyphosate herbicidal and/or glufosinate-ammonium herbicide treatment；With
Select tolerance glyphosate and/or the described progeny plant of glufosinate-ammonium.
For achieving the above object, present invention also offers a kind of cultivation glyphosate herbicidal and/or glufosinate-ammonium herbicide The method with the bean plant of toleration, including:
Planting at least one soybean seed, the genome of described soybean seed includes encoding glyphosate tolerant EPSPS The nucleotide sequence of albumen and/or the nucleotide sequence of coding glufosinate tolerant PAT albumen and the nucleotide sequence of specific region；
Described soybean seed is made to grow up to soybean plant strain；With
With soybean plant strain described in effective dose glyphosate herbicidal and/or glufosinate-ammonium herbicide spray, results are with other not The plant of the nucleotide sequence with specific region compares the plant with the plant injury weakened；
The nucleotide sequence of described specific region is selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID At least one nucleotide sequence in sequence shown in NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7.
For achieving the above object, present invention also offers the side of a kind of damage protecting the plants from and being caused by herbicide Method, plants including being applied to the herbicide containing effective dose glyphosate and/or glufosinate-ammonium to plant at least one genetically engineered soybean The big Tanaka of thing, described transgenic soy bean plant comprises selected from SEQ ID NO:1, SEQ ID NO:2, SEQ in its genome At least one core in sequence shown in ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7 Acid sequence, described transgenic soy bean plant has glyphosate herbicidal and/or the toleration of glufosinate-ammonium herbicide.
For achieving the above object, present invention also offers a kind of method controlling weeds in field, including by containing effective agent Amount glyphosate and/or the herbicide of glufosinate-ammonium are applied to plant the big Tanaka of at least one transgenic soy bean plant, described in turn base Because bean plant comprises selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO in its genome: 4, at least one nucleotide sequence in sequence shown in SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7, described transgenic is big Bean plant has glyphosate herbicidal and/or the toleration of glufosinate-ammonium herbicide.
For achieving the above object, present invention also offers a kind of land for growing field crops glyphosate controlling glyphosate-tolerant plant to resist The method of property weeds, is applied to plant at least one glyphosate tolerant including by the herbicide containing effective dose glufosinate-ammonium The big Tanaka of transgenic soy bean plant, the transgenic soy bean plant of described glyphosate tolerant comprises in its genome and is selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ At least one nucleotide sequence in sequence shown in ID NO:7, it is right that the transgenic soy bean plant of described glyphosate tolerant has simultaneously The toleration of glufosinate-ammonium herbicide.
For achieving the above object, present invention also offers a kind of method delaying insect-resistant, be included in plantation pest-resistant greatly The big Tanaka of bean plant plants at least one transgenic soy bean plant with glyphosate and/or glufosinate tolerant, described tool The transgenic soy bean plant having glyphosate and/or glufosinate tolerant comprises selected from SEQ ID NO:1, SEQ in its genome Sequence shown in ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7 In at least one nucleotide sequence.
For achieving the above object, present invention also offers a kind of many nucleoside comprising SEQ ID NO:1 or SEQ ID NO:2 Agricultural product or commodity, described agricultural product or the commodity of acid are lecithin, fatty acid, glycerol, sterin, Semen sojae atricolor sheet, Semen sojae atricolor powder, Semen sojae atricolor Albumen or its concentrate, soybean oil, soybean fiber, bean milk grumeleuse or bean curd.
In the present invention in nucleotide sequence and the detection method thereof detecting herbicide tolerant bean plant DBN9001, Defined below and method can preferably define the present invention and instruct those of ordinary skill in the art to implement the present invention, unless separately Explain, understand term according to the conventional usage of those of ordinary skill in the art.
Described " Semen sojae atricolor " refers to Semen Glycines (Glycine max), and include can with all plant varieties of Semen sojae atricolor copulation, Including wild soybean kind.
Term " comprises ", " including " refers to " including but not limited to ".
Term " plant " includes whole plant, plant cell, plant organ, plant protoplast, plant can the most again In raw Plant cell and tissue culture thing, plant callus, vegetation bed (plant clumps) and plant or plant part complete Whole plant cell, described plant part such as embryo, pollen, ovule, seed, leaf, flower, branch, fruit, stem stalk, root, the tip of a root, flower Medicine etc..The part of the transgenic plant being interpreted as in the scope of the invention includes but not limited to plant cell, protoplast, group Knit, callus, embryo and flower, stem, fruit, Ye Hegen, above plant part is derived from the DNA molecular of the prior present invention and converts And the transgenic plant that is made up of transgenic cell the most at least in part or its filial generation.
Term " gene " refers to express the nucleic acid fragment of specific protein, including regulation sequence (5 ' the non-volumes before coded sequence Code sequence) and coded sequence after regulation sequence (3 ' non-coding sequence)." natural gene " refers to that natural discovery has himself The gene of regulation sequence." mosaic gene " refers to it is not any gene of natural gene, its comprise regulation that non-natural finds and Coded sequence." endogenous gene " refers to that natural gene, described natural gene are positioned at its natural place in organism genome. " exogenous gene " is in the existing genome being biology and original non-existent alien gene, also refers to import through Transgenic procedures The gene of recipient cell.Exogenous gene can comprise natural gene or the mosaic gene inserting non-native organism." transgenic " It it is the gene being had been incorporated into genome by Transformation Program.The site that in Plant Genome, recombinant DNA has been inserted into can claim For " insertion point " or " target site ".
" flanking DNA " can be comprised the genome in the organism being naturally occurring in such as plant or be drawn by conversion process External source (allos) DNA entered, such as relevant to transformation event fragment.Therefore, flanking DNA can include natural and foreign DNA Combination.In the present invention, " flanking region " or " flanking sequence " or " genome frontier district " or " genome border sequence " refer to At least 3,5,10,11,15,20,50,100,200,300,400,1000,1500,2000,2500 or 5000 base pairs or longer Sequence, its be positioned at initial external source insert DNA molecular immediately upstream or downstream and with initial external source insert DNA molecular phase Adjacent.When this flanking region is positioned at downstream, it is referred to as " left margin flank " or " 3 ' flank " or " 3 ' genome frontier district " Or " genome 3 ' border sequence " etc..When this flanking region is positioned at upstream, it is referred to as " right margin flank " or " 5 ' sides The wing " or " 5 ' genome frontier district " or " genome 5 ' border sequence " etc..
The Transformation Program causing the random integration of foreign DNA can cause the transformant containing different flanking regions, described difference Flanking region is that each transformant institute specificity contains.When recombinant DNA is introduced into plant by conventional hybridization, its flanking region leads to Chang Buhui changes.Transformant also can be containing between heterologous insertion DNA and the section of genomic DNA or between two fragment gene groups DNA Or the unique joint between two sections of allogeneic dna sequence DNAs." engaging " is the points that connect of two concrete DNA fragmentations.Such as, existence is engaged The position of flanking DNA is connected in insert DNA.Abutment is also present in the organism converted, and two of which DNA fragmentation is to repair Linking together of the mode that decorations find in native organism." engage DNA ", " engaging zones " refers to comprise abutment DNA。
The invention provides transgenic soybean event and the offspring thereof of referred to as DBN9001, described transgenic soybean event DBN9001 is bean plant DBN9001, and it includes that the Plants and Seeds of transgenic soybean event DBN9001 and plant thereof are thin Born of the same parents or its renewable part, the plant part of described transgenic soybean event DBN9001, include but not limited to cell, pollen, embryo Pearl, flower, bud, root, stem, leaf, pod and the product from bean plant DBN9001, such as soybean cake, powder and oil, be specifically as follows Lecithin, fatty acid, glycerol, sterin, edible oil, defatted soybean sheet, include defat and baking Semen sojae atricolor powder, bean milk grumeleuse, Bean curd, soybean protein concentrate, the soybean protein of separation, hydrolyzed vegetable protein, textured soybean protein and soybean fiber.
Transgenic soybean event DBN9001 of the present invention contains a DNA construct, when it is expressed in plant cell Time, described transgenic soybean event DBN9001 obtains glyphosate herbicidal and the toleration of glufosinate-ammonium herbicide.Described DNA Construct comprises the expression cassette of two series connection, and first expression cassette comprises the promoter being suitable for for expressing in plant and fit The polyadenylation signal sequence closed, described promoter is operably connected and encodes 5-enol pyruvylshikimate-3-phosphoric acid The gene of synthase (EPSPS), described EPSPS has toleration to glyphosate herbicidal.Second expression cassette comprises for planting The promoter being suitable for expressed in thing and the polyadenylation signal sequence being suitable for, described promoter is operably connected coding The gene of phosphinothricin N-acetyl transferring enzyme (PAT), the nucleotide sequence of described PAT albumen has tolerance to glufosinate-ammonium herbicide Property.Further, described promoter can be the applicable promoter separated from plant, including composing type, induction type and/or tissue Specificity promoter, described applicable promoter includes but not limited to, cauliflower mosaic virus (CaMV) 35S promoter, Radix Scrophulariae flower Mosaic virus (FMV) 35S promoter, Tsf1 promoter, ubiquitin protein (Ubiquitin) promoter, actin (Actin) start Son, soil Agrobacterium (Agrobacterium tumefaciens) rouge alkali synthetase (NOS) promoter, octopine synthase (OCS) promoter, the yellow leaf curl virus promoter of Cestrum (Cestrum), patatin (Patatin) open Mover, ribulose-1,5-bisphosphate, 5-diphosphonic acid Carboxylase/oxygenase (RuBisCO) promoter, glutathione S-transferase (GST) start Son, E9 promoter, GOS promoter, alcA/alcR promoter, Agrobacterium rhizogenes (Agrobacterium rhizogenes) RolD promoter and Arabidopsis (Arabidopsis) Suc2 promoter.Described polyadenylation signal sequence can be The applicable polyadenylation signal sequence worked in plant, described applicable polyadenylation signal sequence includes but does not limits In, derive from the polyadenosine of soil Agrobacterium (Agrobacterium tumefaciens) rouge alkali synthetase (NOS) gene Polyadenylation signal sequence, derive from cauliflower mosaic virus (CaMV) 35S terminator, derive from pea ribulose-1,5-diphosphonic acid Carboxylase/oxygenase E9 terminator, derive from protease-inhibitor Ⅱ (PIN II) gene polyadenylation signal sequence and Derive from the polyadenylation signal sequence of alpha-tubulin (α-tubulin) gene.
Additionally, described expression cassette can also include that other genetic elements, described genetic elements include but not limited to, strengthen Son and signal peptide/transit peptides.Described enhancer can be with the expression of enhancing gene, and described enhancer includes but not limited to, cigarette Grass etch virus (TEV) translation activity factor, CaMV35S enhancer and FMV35S enhancer.Described signal peptide/transit peptides is permissible Guide EPSPS albumen and/or PAT Protein transport to extracellular or intracellular specific organelle or compartment, such as, utilize volume Code chloroplast transit peptide sequence targeting chloroplast, or utilize ' KDEL ' to retain sequence targeting endoplasmic reticulum.
Described 5-enol pyruvylshikimate-3-phosphate synthase (EPSPS) gene can be from soil Agrobacterium Isolated in (Agrobacterium tumefaciens sp.) CP4 bacterial strain, and can by optimizing codon or with Other modes change the polynucleotide of coding EPSPS, to reach to increase stability and the utilizability of conversion cell transcription thing Purpose.Described 5-enol pyruvylshikimate-3-phosphate synthase (EPSPS) gene can also be as selected marker.
Described " glyphosate " refers to N-phosphonomethylglycine and its salt, processes with " glyphosate herbicidal " and refers to use Any herbicide formulations containing glyphosate processes.In order to reach ebd and to certain glyphosate system The selection of agent utilization rate is less than the technical ability of common agronomic technique personnel.Use any herbicide formulations containing glyphosate Process the field containing the vegetable material deriving from herbicide tolerant bean plant DBN9001, will control in described field Weed growth, and do not affect growth or the yield of the vegetable material deriving from herbicide tolerant bean plant DBN9001.
The phosphinothricin N-acetyl transferring enzyme separated from streptomycete (Streptomyces viridochromogenes) (phosphinothricin N-acetyltransferase, PAT) gene is converted into by acetylation catalysis L-phosphinothricin Its inactive form, to give the plant toleration to glufosinate-ammonium herbicide.Phosphinothricin (PTC, 2-amino-4- Methylphosphine-butyric acid) it is the inhibitor of glutamine synthetase.PTC is antibiotic 2-amino-4-methylphosphine acyl-alanyl-alanine Structural units, this tripeptides (PTT) has resisting gram-positive and gram negative bacteria and antifungal Botrytis cinerea The activity of (Botrytis cinerea).Phosphinothricin N-acetyl transferring enzyme (PAT) gene can also be as selected marker Gene.
Described " glufosinate-ammonium " has another name called grass fourth phosphine, refers to 2-amino-4-[hydroxyl (methyl) phosphono] butanoic acid ammonium, with " grass ammonium Phosphine herbicide " process and refer to use any one to process containing the herbicide formulations of glufosinate-ammonium.In order to reach effective biology Learn dosage and certain glufosinate-ammonium preparation utilization rate is selected the technical ability less than common agronomic technique personnel.Use any one Herbicide formulations containing glufosinate-ammonium processes and to contain the vegetable material deriving from herbicide tolerant bean plant DBN9001 Field, will control the weed growth in described field, and not affect and derive from herbicide tolerant bean plant DBN9001's The growth of vegetable material or yield.
Described DNA construct uses method for transformation to be introduced in plant, and described method for transformation includes but not limited to, agriculture bar Bacterium (Agrobacterium) mediated transformation method, Gene Knock-out Mice and pollen tube channel conversion method.
Described Agrobacterium_mediated method is the common method of Plant Transformation.The foreign DNA gram in plant will be introduced into Grand between border, the left and right consensus sequence of carrier, i.e. T-DNA district.Described carrier is transformed in agrobatcerium cell, subsequently, Described agrobatcerium cell is organized for infection plant, and the described T-DNA district of the carrier comprising foreign DNA is inserted into plant gene In group.
Described Gene Knock-out Mice is with carrier bombardment plant cell (the biological bullet of particle mediation comprising foreign DNA Hit conversion).
Described pollen tube channel conversion method is that the natural pollen tube channel utilizing plant to be formed after pollinating (has another name called pollen Pipe guides tissue), through megarchidium passage, foreign DNA is carried into blastular.
After conversion, it is necessary to from the plant tissue regenerating plants converted, and the labelling being suitable for selection is utilized to have The offspring of foreign DNA.
DNA construct is the combination that DNA molecular is interconnected, and this combination provides one or more expression cassette.DNA Construct preferably can in bacterial cell self replication, and the plasmid containing different restriction endonuclease sites, Contained restriction endonuclease sites is used for importing offer functioning gene element, i.e. promoter, intron, targeting sequencing, volume Code sequence, 3 ' terminator regions and the DNA molecular of other sequences.Expression cassette contained in DNA construct includes providing courier RNA transcribes necessary Genetic elements, and described expression cassette can be designed as expressing in prokaryotic cell or eukaryotic cell.This Bright expression cassette is designed to most preferably express in plant cell.
Transgenic " event " obtains by converting plant cell with heterologous DNA construct, i.e. includes that one contains The expression of nucleic acid box of target gene, is inserted in Plant Genome the plant population to produce, regeneration by transgene method Described plant population, and select that there is the specific plant inserting specific gene group site feature.Term " event " includes allogeneic dna sequence DNA Original transformant and the offspring of this transformant.Term " event " also includes transformant and other kinds containing allogeneic dna sequence DNA The offspring carrying out sexual hybridization between body and obtain, even if after repeatedly backcrossing with backcross parent, comes from transformant parent This insertion DNA and flanking genomic dna exist in the same chromosome position in filial generation.Term " event " also refers to come From the DNA sequence of original transformant, this DNA sequence comprises inserts DNA and the flanking gene group sequence the most adjacent with inserting DNA Row, this DNA sequence is expected to be transferred in filial generation, this filial generation by containing insert DNA parent system (such as original transformant and its The filial generation that selfing produces) carry out sexual hybridization with the parent system not containing insertion DNA and produce, and this filial generation receives and comprises mesh The insertion DNA of mark gene.
" recombinated " in the present invention DNA referring to be generally not capable of in nature finding and therefore produced by manual intervention And/or albumen and/or the form of organism.This manual intervention can produce recombinant DNA molecules and/or recombinant plant.Described " weight Group DNA molecular " be by artificial combination two kinds in other cases be separate sequence section and obtain, such as by chemistry Synthesis or the nucleic acid segment separated by gene engineering operation.The technology carrying out nucleic-acid manipulation is well-known.
Term " transgenic " includes any cell, cell line, callus, tissue, plant part or plant, above base Because type changes due to the existence of heterologous nucleic acids, described " transgenic " includes the Transgenics that initially so changed and by The offspring individual that first Transgenics is generated by sexual hybridization or asexual propagation.In the present invention, term " transgenic " does not wraps (chromosome or extrachromosomal) that include the genome by conventional plant breeding method or natural generation event changes, described The such as random allogamy of natural generation event, non-recombinant virus infection, non-recombinant Bacterial Transformation, non-recombinant swivel base or spontaneous prominent Become.
In the present invention, " allos " refers to that in nature, the first molecule is not the most found and the second molecular combinations.Such as, Molecule can be derived from the first species and be inserted into the second species genome in.The most this molecule for host be allos also By in the genome being artificially introduced host cell.
Cultivate the transgenic soybean event DBN9001 that glyphosate herbicidal and glufosinate-ammonium herbicide are had toleration, logical Cross following steps: first make the first parent soybean plant and the second parent soybean plant sexual hybridization, thus create various First generation progeny plant, described first parent soybean plant is by cultivating the big of transgenic soybean event DBN9001 and offspring thereof Bean plant forms, this transgenic soybean event DBN9001 and offspring thereof be by utilize the present invention to glyphosate herbicidal and Glufosinate-ammonium herbicide has the expression cassette of toleration to carry out converting and obtaining, and glyphosate is removed by the second parent soybean plant shortage Grass agent and/or the toleration of glufosinate-ammonium herbicide；Then select glyphosate herbicidal and/or glufosinate-ammonium herbicide are used tool There is the progeny plant of toleration, can cultivate and glyphosate herbicidal and glufosinate-ammonium herbicide are had the Semen sojae atricolor of toleration plant Thing.These steps may further include and make to use glyphosate herbicidal and/or glufosinate-ammonium herbicide to have toleration Progeny plant and the second parent soybean plant or the 3rd parent soybean plant backcross, then by using Gyphosate herbicice Agent, glufosinate-ammonium herbicide or (such as comprise in transgenic soybean event DBN9001 by the molecular marked compound relevant to character and insert The DNA moleculars of bond site that 5 ' ends of sequence and 3 ' ends identify) qualification to select filial generation, thus produce and glyphosate removed Grass agent and glufosinate-ammonium herbicide have the bean plant of toleration.
It will also be appreciated that two kinds of different transgenic plants can also hybridize with produce containing two independent, separate The offspring of the exogenous gene that formula is added.The suitably selfing of offspring can obtain all isozygotying for two exogenous genes added The Progeny plants of son.Foregoing parental plant backcrossed and also it is expected to the outcross of non-transgenic plant , asexual propagation is also same.
The Semen sojae atricolor of trans Bt gene can kill the most lepidopterous insecticide/insect, but there is also the insecticide that survives on a small quantity/ Insect, after several generations is bred, it is possible to create the resistant insects/insect of anti-Bt albumen.Resistance is produced in order to solve insecticide/insect This problem, Environmental Protection Agency USA gives following guidance for the use of genetically modified crops, need to provide a certain proportion of sheltering Protect institute Semen sojae atricolor (can with right and wrong insect-resistant transgenic Semen sojae atricolor (such as herbicide tolerant genetically engineered soybean, or anti-Non-target pests turn base Because of Semen sojae atricolor, or Non-transgenic soybean).After the insecticide/insect of the overwhelming majority is killed on corresponding transgenic pest-resistant Semen sojae atricolor, Some insecticide/insect is the most dead on sanctuary Semen sojae atricolor, it is ensured that do not have the insecticide/pest population of resistance to account for governance number Amount.Accordingly even when there is the resistant insects/insect of a small amount of survival, with the non-resistance insecticide/insect post-coitum resistance accounting for governance quantity Gene is also significantly diluted.
Term " probe " is one section of nucleic acid molecules separated, and it is above in conjunction with detectable label or the report point having routine Son, such as, radiosiotope, part, chemiluminescence agent or enzyme.This probe is complementary with a chain of target nucleic acid , in the present invention, probe and a DNA complementation from transgenic soybean event DBN9001 genome, no matter this gene Group DNA be from transgenic soybean event DBN9001 or seed be also derived from transgenic soybean event DBN9001 plant or Seed or extract.The probe of the present invention not only includes DNA (deoxyribonucleic acid) or ribonucleic acid, also include specifically with target DNA sequence combines and can be used for detecting the polyamide of existence and other probe materials of this target dna sequence.
Term " primer " is one section of nucleic acid molecules separated, and it passes through nucleic acid hybridization, and annealed combination is to complementary target dna On chain, between primer and target dna chain, form heterozygote, then under the effect of polymerase (such as archaeal dna polymerase), along mesh Mark DNA extends.The primer of the present invention, to relating to its application in target nucleic acid sequence expands, such as, passes through polymerase chain Formula reaction (PCR) or the nucleic acid amplification method of other routines.
The length of probe and primer is usually 11 polynucleotide or more, preferably 18 polynucleotide or more, More preferably 24 polynucleotide or more, most preferably 30 polynucleotide or more.This probe and primer are at height Specifically hybridize with target sequence under degree stringent hybridization condition.Although being different from target dna sequence and target dna sequence being protected Hold the probe of hybridization ability and can be by conventional design out, however, it is preferred to, the probe in the present invention and primer With the continuous nucleic acid of target sequence, there is DNA sequence homogeneity completely.
Flanking genomic dna based on the present invention and the primer of insertion sequence and probe can be determined by conventional method, Such as, by separating corresponding DNA molecular from the vegetable material deriving from transgenic soybean event DBN9001, and this is determined The nucleotide sequence of DNA molecular.Described DNA molecular comprises transgene insert sequence and soybean gene group flanking sequence, and described DNA divides The fragment of son can serve as primer or probe.
The nucleic probe of the present invention and primer hybridize with target dna sequence under strict conditions.The nucleic acid of any routine is miscellaneous Friendship or amplification method may be used to identify the existence of the DNA deriving from transgenic soybean event DBN9001 in sample.Nucleic acid divides Son or its fragment can carry out specific hybrid with other nucleic acid molecules in any case.As the present invention uses, if two Individual nucleic acid molecules can form antiparallel double-strandednucleic acid structure, it is possible to says that the two nucleic acid molecules can be carried out to each other special Property hybridization.If two nucleic acid molecules demonstrate complementary completely, then claiming one of them nucleic acid molecules is that another nucleic acid divides " complement " of son.As the present invention uses, when each nucleotide and another nucleic acid molecules of a nucleic acid molecules During corresponding nucleotide complementary, then the two nucleic acid molecules is claimed to demonstrate " complete complementary ".If two nucleic acid molecules can be with Enough stability phase mutual crosses so that they are annealed and be bonded to each other under the conditions of at least conventional " low strict ", then claim The two nucleic acid molecules is " minimum level is complementary ".Similarly, if two nucleic acid molecules can be mutual with enough stability Hybridization so that they are annealed and be bonded to each other under the conditions of conventional " the strictest ", then claims the two nucleic acid molecules to have " complementary ".Deviate from complete complementary and can allow, as long as not exclusively to stop two molecules to be formed double in this deviation Chain structure.In order to enable a nucleic acid molecules as primer or probe, it is only necessary to ensure that it has sufficient complementation in sequence Property, so that stable duplex structure can be formed under the specific solvent used and salinity.
As the present invention uses, the sequence of basic homology is one section of nucleic acid molecules, and this nucleic acid molecules is at high stringency Down can be with the complementary strand generation specific hybrid of another section of nucleic acid molecules matched.Promote DNA hybridization be suitable for strict Condition, such as, about processes by 6.0 × sodium chloride/sodium citrate (SSC) under the conditions of 45 DEG C, then uses under the conditions of 50 DEG C 2.0 × SSC washs, and these conditions are known to those skilled in the art.Such as, the salinity in washing step can be selected From the about 2.0 × SSC of Low stringency conditions, the about 0.2 × SSC of 50 DEG C to high stringency, 50 DEG C.Additionally, washing step In temperature conditions can be increased to about 65 DEG C of high stringency from the room temperature of Low stringency conditions about 22 DEG C.Temperature strip Part and salinity can all change, it is also possible to one of them keeps constant and another variable changes.Preferably, originally Invention a nucleic acid molecules can under moderate stringency, such as at about 2.0 × SSC and about 65 DEG C with SEQ ID NO: 1, in SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7 One or more nucleic acid molecules or its complementary series, or arbitrary fragment generation specific hybrid of above-mentioned sequence.It is highly preferred that One nucleic acid molecules of the present invention under high stringency with SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ One or more nucleic acid molecules or its complementary series in ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7, Or arbitrary fragment generation specific hybrid of above-mentioned sequence.In the present invention, preferred label nucleic acid molecules has SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:6 or SEQ ID NO:7 or its complementary series, or arbitrary fragment of above-mentioned sequence. Another preferred label nucleic acid molecules of the present invention and SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:6 or SEQ ID NO:7 or its complementary series, or arbitrary fragment of above-mentioned sequence have 80% to 100% or 90% to 100% sequence same Property.SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:6 and SEQ ID NO:7 can serve as the mark in plant breeding method Note thing is to identify the offspring of genetic cross.Probe can be art technology by any one with the hybridization of target dna molecule Method known to personnel detects, and these methods include but not limited to, fluorescent labeling, radioactive label, antibody class labelling And chemiluminescent labeling.
About the amplification (such as, pass through PCR) using specific amplimer that target nucleic acid sequence is carried out, " strict bar Part " refer to only allow primer that target nucleic acid sequence is occurred the condition of hybridization in the hot amplified reaction of DNA, have and target core The primer of the corresponding wild-type sequence of acid sequence (or its complementary series), it is possible to be combined with described target nucleic acid sequence, and excellent Choosing produces unique amplified production, amplified production i.e. amplicon.
Term " specific binding (target sequence) " refer under stringent hybridization condition probe or primer only with comprise target Target sequence in the sample of sequence hybridizes.
As the present invention uses, " through the DNA of amplification " or " amplicon " refer to the target as a nucleic acid-templated part The nucleic acid amplification product of nucleotide sequence.Such as, in order to determine that whether bean plant is by containing transgenic soybean event of the present invention DBN9001 is produced by sexual hybridization mode, or gathers whether the soybean sample from field comprises transgenic soybean event Whether DBN9001, or soybean extract, such as coarse powder, powder or oil comprise transgenic soybean event DBN9001, from bean plant The DNA that tissue sample or extract extract can be by using the nucleic acid amplification method of primer pair to produce for genetically engineered soybean The existence of the DNA of event DBN9001 is diagnostic amplicon.Described primer to include one derive from Plant Genome with First primer of the adjacent flanking sequence of foreign DNA insertion point inserted, and derive from second the drawing of foreign DNA of insertion Thing.Amplicon has certain length and sequence, and transgenic soybean event DBN9001 described in described sequence pair is also diagnostic. The length range of amplicon can be that the combination length of primer pair adds a nucleotide base pair, preferably plus about 50 cores Thuja acid base pair, more preferably plus about 250 nucleotide bases pair, most preferably plus about 450 nucleoside soda acids Base to or more.
Optionally, primer inserts the flanking genomic sequence of DNA both sides to deriving from, and includes whole insertion to produce The amplicon of nucleotide sequence.One of the primer centering deriving from plant genome sequences may be located at away from inserting DNA sequence At a certain distance from, this distance may range from a nucleotide base to about 20,000 nucleotide bases pair.Term " amplification Son " use be particularly intended to exclude in the hot amplified reaction of DNA formed primer dimer.
Nucleic acid amplification reaction can be realized, including polymerization by any nucleic acid amplification reaction method known in the art Polymerase chain reaction (PCR).Various nucleic acid amplification methods have been well-known to those skilled in the art.PCR amplification method has been sent out Genomic DNA and the phage DNA of up to 42kb of amplifiable up to 22kb is arrived in exhibition.Other of these methods and this area DNA cloning method may be used for the present invention.The exogenous DNA array that inserts and from the flank of transgenic soybean event DBN9001 The genome of transgenic soybean event DBN9001 can be expanded by DNA sequence by utilizing the primer sequence provided, and expands After increasing, DNA to PCR amplicon or clone carries out the DNA sequencing of standard.
DNA detection test kit based on DNA cloning method contains DNA primer molecule, and they are under suitable reaction condition Specific hybrid is on target dna and expand diagnostic amplicon.Test kit can provide detection method based on agarose gel Or many methods of checkout and diagnosis amplicon known in the art.Containing with SEQ ID NO:3's or SEQ ID NO:4 Any part homology in soybean gene group district or complementation and any part of transgenic insert district with SEQ ID NO:5 The test kit of the DNA primer of homology or complementation is provided by the present invention.Differentiate useful drawing in DNA cloning method especially Thing is to being SEQ ID NO:8 and SEQ ID NO:9, and it expands the 5 ' transgenic/genome with transgenic soybean event DBN9001 The diagnostic amplicon of a part of homology in district, wherein amplicon includes SEQ ID NO:1.Other DNA as DNA primer divide Son is selected from SEQ ID NO:5.
Produced by these methods, amplicon can be detected by multiple technologies.One of them method is that heredity position is divided Analysis (Genetic Bit Analysis), the method devises one and crosses over insertion DNA sequence and adjacent flanking genomic dna The DNA oligonucleotide chain of sequence.This oligonucleotide chain is fixed in the micropore of a microwell plate, target area is being carried out After PCR amplification (each in insertion sequence and in adjacent flanking genomic sequence use a primer), single stranded PCR products can be with Fixing oligonucleotide chain hybridizes, and as the template of single base extension, this extension employs DNA polymerization Enzyme and be the ddNTPs of next intended base specific markers.Result can be obtained by fluorescence or ELISA class method.Signal Representing the existence of insertion/flanking sequence, its explanation amplification, hybridization and single base extension are successful.
Another kind of method is Manganic pyrophosphate complex initiation (Pyrosequencing) technology.The method devises one and crosses over insertion DNA sequence and the oligonucleotide chain of adjacent genomic DNA binding site.By this oligonucleotide chain and the strand of target area Then and DNA PCR primer (each in insertion sequence and in adjacent flanking genomic sequence use a primer) hybridizes, Polymerase, ATP, sulfonyl enzyme, luciferase, apyrase, adenosine-5 '-phosphorus sulfate is together with luciferin Carry out incubation.It is separately added into dNTPs, measures the optical signal produced.Optical signal represents the existence of insertion/flanking sequence, and it is said Bright amplification, hybridization and single base or many bases extension are successful.
The Fluorescence polarization that Chen etc. (genome research (Genome Res.) 9:492-498,1999) describe also is can For a kind of method detecting amplicon of the present invention.Make to need to design one in this way and cross over insertion DNA sequence and phase The oligonucleotide chain of adjacent genomic DNA binding site.The single stranded PCR products of this oligonucleotide chain and target area (is being inserted A primer is respectively used in adjacent flanking genomic sequence in entering sequence) hybridize, then with archaeal dna polymerase and Plant fluorescently-labeled ddNTP and carry out incubation together.Single base extension can cause inserting ddNTP.This insertion can utilize fluorescence The change of its polarization measured by instrument.The change of polarization represents the existence of insertion/flanking sequence, its explanation amplification, hybridization and single alkali Base extension is successful.
Taqman is described as a kind of detection and the method for quantitative analysis DNA sequence existence, and the method is carried in manufacturer It is discussed in detail in the operation instruction of confession.The most briefly it is illustrated below, designs one and cross over insertion DNA sequence and adjacent base Because organizing the FRET oligonucleotide probe of flank binding site.This FRET probe and PCR primer are (with adjacent side in insertion sequence One primer of each use in wing genome sequence) in the presence of heat-stabilised poly synthase and dNTPs, it is circulated reaction.FRET probe Hybridization cause fluorescing fractions and the division of quencher moieties and the release of fluorescing fractions on FRET probe.The generation of fluorescence signal Representing the existence of insertion/flanking sequence, its explanation amplification and hybridization are successful.
Based on Hybridization principle, derive from the plant material of herbicide tolerant transgenic soybean event DBN9001 for detection The applicable technology of material can also include Southern blot hybridization, Northern blot hybridization and in situ hybridization.Especially, described Applicable technology includes incubation probe and sample, and washing has hybridized to remove unconjugated probe and detection probe.Described Detection method depend on the type of labelling appended by probe, such as, by X-ray is exposed and developed can be with detection of radioactive labels Probe, or converted by substrate and realize color change and can detect the probe of enzyme labelling.
Tyangi etc. (Nature Biotechnol (Nat.Biotech.) 14:303-308,1996) describe molecular marker in sequence Application in row detection.It is briefly described as follows, designs one and cross over insertion DNA sequence and adjacent flanking genomic binding site FRET oligonucleotide probe.The unique texture of this FRET probe causes it to contain secondary structure, and this secondary structure can be closely Apart from interior holding fluorescing fractions and quencher moieties.This FRET probe and PCR primer are (with adjacent flanking gene in insertion sequence One primer of each use in group sequence) in the presence of heat-stabilised poly synthase and dNTPs, it is circulated reaction.Through successful PCR Amplification, the hybridization of FRET probe and target sequence causes the forfeiture of probe secondary structure, so that fluorescing fractions and quencher moieties Spatially separate, produce fluorescence signal.The generation of fluorescence signal represents the existence of insertion/flanking sequence, its explanation Amplification and hybridization are successful.
Other methods described, such as microfluid (microfluidics) provides and separates and the method for DNA amplification sample And equipment.Photoinitiator dye is used for detecting and measure specific DNA molecular.Comprise the electronic sensor for detecting DNA molecular or knot Close specific DNA molecular receive pearl and thus test tube (nanotube) equipment of receiving that can be detected the DNA of the detection present invention is divided Son is useful.
That compositions of the present invention and DNA detection field describe or known method can be used to develop DNA inspection Test agent box.Described test kit is conducive to identifying the DNA that whether there is transgenic soybean event DBN9001 in sample, it is also possible to For cultivating the bean plant of the DNA containing transgenic soybean event DBN9001.Described test kit can containing DNA primer or Probe, it is with coming from or be complementary at least some of of SEQ ID NO:1,2,3,4 or 5, or containing other DNA primers or spy Pin, it is with coming from or be complementary to DNA contained in the transgene genetic element of DNA, and these DNA sequence may be used for DNA cloning Reaction, or as the probe in DNA hybridization method.That soybean gene group contains and in Fig. 1 and Biao 1 explanation turn base Because the DNA structure of insertion sequence with soybean gene group binding site comprises: the Semen sojae atricolor being positioned at transgene insert sequence 5 ' end is planted Thing DBN9001 flanking gene group region, first expression cassette is by Semen sojae atricolor Tsf1 gene (code extension factor EF-1 α) promoter (prGm17gTsf1), it is operably connected on the coded sequence (spAtCTP2) of arabidopsis EPSPS chloroplast transit peptides, can grasp It is connected to the 5-enol-pyrovyl shikimic acid-3-phosphate synthase of the glyphosate tolerant of Agrobacterium CP4 bacterial strain (cEPSPS) on, it is operably connected to from pea ribulose-1, on the 3 ' non-translated sequences (tPse9) of 5-diphosphonic acid carboxylase And form, second expression cassette is by the cauliflower mosaic virus 35 S promoter of the tandem sequence repeats containing enhancer region (pr35S), on the phosphinothricin N-acetyl transferring enzyme (cPAT) of the glufosinate tolerant being operably connected to streptomycete, and It is operably connected to cauliflower mosaic virus 35S terminator (t35S) above form, from the left boundary area of Agrobacterium (LB) a part of insertion sequence, and it is positioned at the bean plant DBN9001 flanking gene group of transgene insert sequence 3 ' end Region (SEQ ID NO:5).In DNA cloning method, the DNA molecular as primer can be derived from bean plant Any part of transgene insert sequence in DBN9001, it is also possible to be derived from flank in transgenic soybean event DBN9001 big Any part in the region of DNA territory of bean genome.
Transgenic soybean event DBN9001 can with other genetically engineered soybean breed combinations, such as herbicide tolerant (as 2,4-D, Mediben etc.) Semen sojae atricolor, or carry the genetically engineered soybean kind of other anti insect genes (such as Cry1Ac, Cry2Ab etc.). The various combinations of all these different transgenic events, breeding together with the transgenic soybean event DBN9001 of the present invention, permissible Anti-multiple insect pest is provided and tolerates the improvement hybrid transgenic soybean varieties of multiple herbicide.These kinds are compared to non-transgenic The transformed variety of kind and unisexuality shape can show the more excellent features such as yield lifting.
The invention provides a kind of nucleotide sequence for detecting herbicide tolerant bean plant DBN9001 and detection thereof Method, transgenic soybean event DBN9001 tolerance is containing glyphosate and/or the phytotoxic effects of the agriculture herbicide of glufosinate-ammonium. The soybean plant strain of this dual character expresses the 5-enol pyruvylshikimate-3-of the glyphosate resistance of Agrobacterium strains CP4 Phosphate synthase (EPSPS) albumen, it gives the plant toleration to glyphosate, and expresses the phosphine silk of the glufosinate resistance of streptomycete Rhzomorph N-acetyltransferase (PAT) albumen, it gives the plant toleration to glufosinate-ammonium.Dual character Semen sojae atricolor has the most excellent Point: 1) apply the ability that the agriculture herbicide containing glyphosate controls for broad-spectrum weeding to soybean crops；2) glufosinate tolerant Character is applied in combination glufosinate-ammonium herbicide (mix with glyphosate herbicidal or be used alternatingly) can effectively manage grass as one The non-selective means of sweet phosphine resistant weed；3) herbicide tolerant genetically engineered soybean is as non-pest-resistant genetically engineered soybean, and turns Gene pest-resistant is planted in the lump by Semen sojae atricolor with certain proportion, and insecticide/insect can be delayed to produce resistance；4) soybean yields does not reduce. Additionally, coding glyphosate tolerant and the gene linkage of glufosinate tolerant character are in same region of DNA section, and it are present in and turn On the term single gene seat of transgenic soybean event DBN9001 genome, this point provides the breeding efficiency of enhancing and makes it possible to The transgenic insert in reproductive population and filial generation thereof is followed the trail of with molecular marker.SEQ ID in detection method simultaneously NO:1 or its complementary series, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series or SEQ ID NO:7 or its complementary series can be diagnosed as transgenic soybean event DBN9001 or thereafter as DNA primer or probe to produce The amplified production in generation, and can be quick, accurate, stable identify the plant material deriving from transgenic soybean event DBN9001 The existence of material.
BRIEF DESCRIPTION OF THE SEQUENCES
In SEQ ID NO:1 transgenic soybean event DBN9001, the 5 ' ends at insertion sequence are positioned at insertion junction surface The sequence of a length of 22 nucleotide near Wei, wherein 1-11 position nucleotide and 12-22 position nucleotide position respectively The both sides of insertion point on Maize genome；
In SEQ ID NO:2 transgenic soybean event DBN9001, the 3 ' ends at insertion sequence are positioned at insertion junction surface The sequence of a length of 22 nucleotide near Wei, wherein 1-11 position nucleotide and 12-22 position nucleotide position respectively The both sides of insertion point on Maize genome；
In SEQ ID NO:3 transgenic soybean event DBN9001, the 5 ' ends at insertion sequence are positioned at insertion junction surface The sequence of a length of 780 nucleotide near Wei；
In SEQ ID NO:4 transgenic soybean event DBN9001, the 3 ' ends at insertion sequence are positioned at insertion junction surface The sequence of a length of 877 nucleotide near Wei；
SEQ ID NO:5 whole T-DNA sequence, 5 ' and the flank soybean genomic sequence of 3 '；
SEQ ID NO:6 is positioned at the sequence within SEQ ID NO:3, spans pDBN4003 construct and genome Bonding land sequence and the nucleotide sequence of prGm17gTsf1 promoter；
SEQ ID NO:7 is positioned at the sequence within SEQ ID NO:4, spans phosphinothricin N-acetyl transferring enzyme Nucleotide sequence in cPAT, t35S transcription terminator sequences and pDBN4003 construct DNA sequence；
First primer of SEQ ID NO:8 amplification SEQ ID NO:3；
Second primer of SEQ ID NO:9 amplification SEQ ID NO:3；
First primer of SEQ ID NO:10 amplification SEQ ID NO:4；
Second primer of SEQ ID NO:11 amplification SEQ ID NO:4；
Primer on SEQ ID NO:12 5 ' flanking genomic sequence；
The primer being positioned on T-DNA of SEQ ID NO:13 and SEQ ID NO:12 pairing；
Primer on SEQ ID NO:14 3 ' flanking genomic sequence, it can detect with SEQ ID NO:12 pairing and turn Gene is homozygote or heterozygote；
The primer being positioned on T-DNA of SEQ ID NO:15 and SEQ ID NO:14 pairing；
The primer 1 of SEQ ID NO:16 Taqman detection EPSPS；
The primer 2 of SEQ ID NO:17 Taqman detection EPSPS；
The probe 1 of SEQ ID NO:18 Taqman detection EPSPS；
The primer 3 of SEQ ID NO:19 Taqman detection PAT；
The primer 4 of SEQ ID NO:20 Taqman detection PAT；
The probe 2 of SEQ ID NO:21 Taqman detection PAT；
First primer of SEQ ID NO:22 Semen sojae atricolor endogenous gene ubiquitin protein (Ubiquitin)；
Second primer of SEQ ID NO:23 Semen sojae atricolor endogenous gene ubiquitin protein (Ubiquitin)；
The probe of EPSPS in the detection of SEQ ID NO:24 Southern blot hybridization；
The probe of PAT in the detection of SEQ ID NO:25 Southern blot hybridization；
The primer that SEQ ID NO:26 is positioned on T-DNA, consistent with SEQ ID NO:13 direction；
The primer that SEQ ID NO:27 is positioned on T-DNA, in opposite direction with SEQ ID NO:13, it is used as to obtain flank sequence Row；
The primer that SEQ ID NO:28 is positioned on T-DNA, in opposite direction with SEQ ID NO:13, it is used as to obtain flank sequence Row；
The primer that SEQ ID NO:29 is positioned on T-DNA, consistent with SEQ ID NO:15 direction；
The primer that SEQ ID NO:30 is positioned on T-DNA, in opposite direction with SEQ ID NO:15, it is used as to obtain flank sequence Row；
The primer that SEQ ID NO:31 is positioned on T-DNA, in opposite direction with SEQ ID NO:15, it is used as to obtain flank sequence Row.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the present invention is for detecting nucleotide sequence and the detection method thereof of herbicide tolerant bean plant DBN9001 The structural representation of transgene insert sequence and soybean gene group junction；
Fig. 2 is that the present invention is for detecting nucleotide sequence and the detection method thereof of herbicide tolerant bean plant DBN9001 The structural representation of recombinant expression carrier pDBN4003.
Detailed description of the invention
The present invention is further illustrated for detecting herbicide tolerant bean plant DBN9001 below by specific embodiment Nucleotide sequence and the technical scheme of detection method.
First embodiment, clone and convert
1.1, carrier cloning
The gene clone technology of use standard builds recombinant expression carrier pDBN4003 (as shown in Figure 2).Described carrier PDBN4003 comprises the transgene expression cassette of two series connection, and first expression cassette is by Semen sojae atricolor Tsf1 gene (code extension factor EF- 1 α) promoter (prGm17gTsf1), it is operably connected to the coded sequence of arabidopsis EPSPS chloroplast transit peptides (spAtCTP2), on, it is operably connected to the 5-enol-pyrovyl Folium illicii Lanceolati of the glyphosate tolerant of Agrobacterium CP4 bacterial strain In acid-3-phosphate synthase (cEPSPS), it is operably connected to from pea ribulose-1,3 ' untranslateds of 5-diphosphonic acid carboxylase Sequence (tPse9) is upper and forms；Second expression cassette is by the cauliflower mosaic virus 35S of the tandem sequence repeats containing enhancer region Promoter (pr35S), is operably connected to the phosphinothricin N-acetyl transferring enzyme of the glufosinate tolerant of streptomycete (cPAT) on, and it is operably connected to form on cauliflower mosaic virus 35S terminator (t35S).
Described carrier pDBN4003 liquid nitrogen method is transformed into Agrobacterium LBA4404 (Invitrgen, Chicago, USA； Cat.No:18313-015) in, and with 5-enol pyruvylshikimate-3-phosphate synthase (EPSPS) for selected marker pair Convert cell to screen.
1.2, Plant Transformation
Conventional Agrobacterium infestation method is used to convert, by soybean cotyledon node tissue and the present embodiment of aseptic culture Agrobacterium described in 1.1 co-cultures, so that the T-DNA in the recombinant expression carrier pDBN4003 of structure to be transferred to Semen sojae atricolor dyeing In body group, to produce transgenic soybean event DBN9001.
For agriculture bacillus mediated transformation of soybean, briefly, by ripe soybean seed at soybean germination culture medium (B5 salt 3.1g/L, B5 vitamin, sucrose 20g/L, agar 8g/L, pH5.6) in sprout, seed is inoculated on germination medium, By following CMC model: temperature 25 ± 1 DEG C；Photoperiod (light dark) is 16/8h.Take at bud green cotyledonary node swollen after sprouting 4-6 days Big Semen sojae atricolor aseptic seedling, cuts hypocotyl, longitudinally slit cotyledon under cotyledonary node, removes terminal bud, lateral bud and seed at 3-4 millimeter Root.At cotyledonary node, wound is carried out with the knife back of dissecting knife, the cotyledonary node tissue crossed by agrobacterium suspension contact wound, wherein The nucleotide sequence of the nucleotide sequence of EPSPS gene and pat gene can be transferred to the cotyledonary node group that wound is crossed by Agrobacterium Knit (step 1: infect step).In this step, cotyledonary node tissue preferably immerses agrobacterium suspension (OD660=0.5-0.8, Infect culture medium (MS salt 2.15g/L, B5 vitamin, sucrose 20g/L, glucose 10g/L, acetosyringone (AS) 40mg/L, 2- Morpholino b acid (MES) 4g/L, zeatin (ZT) 2mg/L, pH5.3) in start infect.Cotyledonary node tissue is trained altogether with Agrobacterium Support one period (3 days) (step 2: co-culture step).Preferably, cotyledonary node is organized in and infects after step at solid medium (MS salt 4.3g/L, B5 vitamin, sucrose 20g/L, glucose 10g/L, MES (MES) 4g/L, zeatin 2mg/L, Agar 8g/L, pH5.6) upper cultivation.After co-culturing the stage at this, there is selective " recovery " step.In " recovery " step In, recovery media (B5 salt 3.1g/L, B5 vitamin, MES (MES) 1g/L, sucrose 30g/L, zeatin (ZT) 2mg/L, agar 8g/L, cephamycin 150mg/L, glutamic acid 100mg/L, aspartic acid 100mg/L, pH5.6) at least exist It is a kind of that oneself knows the antibiotic (cephamycin 150-250mg/L) of suppression Agrobacterium growth, without the selective agent of vegetable transformant (step 3: recovering step).Preferably, the piece of tissue of cotyledon node regeneration does not has the solid medium of selective agent there being antibiotic Upper cultivation, to eliminate Agrobacterium and to provide convalescent period for infected cell.Then, the piece of tissue of cotyledon node regeneration is containing selective agent The transformed calli (step 4: select step) that also growth selection is cultivated in the culture medium of (glyphosate).Preferably, cotyledon The piece of tissue of joint regeneration is having screening solid medium (B5 salt 3.1g/L, B5 vitamin, the MES of selective agent (MES) 1g/L, sucrose 30g/L, 6-benzyladenine (6-BAP) 1mg/L, agar 8g/L, cephamycin 150mg/L, glutamic acid 100mg/L, aspartic acid 100mg/L, glyphosate isopropyl amine salt 10mg/L, pH5.6) upper cultivation, cause the cell converted permissible Continued growth.Then, the cell regeneration of conversion becomes plant (step 5: regeneration step), it is preferable that in the culture medium containing selective agent The piece of tissue of the cotyledon node regeneration of upper growth is above cultivated with again at solid medium (B5 division culture medium and B5 root media) Raw plant.
The resistant tissues block that screening obtains transfers to described B5 division culture medium (B5 salt 3.1g/L, B5 vitamin, 2-morpholine Ethyl sulfonic acid (MES) 1g/L, sucrose 30g/L, zeatin (ZT) 1mg/L, agar 8g/L, cephamycin 150mg/L, glutamic acid 50mg/L, aspartic acid 50mg/L, gibberellins 1mg/L, auxin 1mg/L, glyphosate isopropyl amine salt 10mg/L, pH5.6) on, Differentiation is cultivated at 25 DEG C.Differentiation seedling out transfers to described B5 root media (B5 salt 3.1g/L, B5 vitamin, 2- Quinoline ethyl sulfonic acid (MES) 1g/L, sucrose 30g/L, agar 8g/L, cephamycin 150mg/L, indole-3-butyric acid (IBA) 1mg/L), On root culture, cultivate to about 10cm high at 25 DEG C, move to hot-house culture to solid.In greenhouse, every day trains at 26 DEG C Support 16 hours, cultivate 8 hours at 20 DEG C.
1.3, the qualification of transgenic event and screening
Create altogether 288 separate transgenic T0Plant.
Pass through TaqManTMWhether the Transgenic soybean plants analyzing (seeing the second embodiment) detection regeneration exists EPSPS And pat gene, and characterize tolerance glyphosate and the copy number of glufosinate-ammonium strain.By screening, the event DBN9001 of have selected is excellent Different, it has single copy transgenic, good glyphosate herbicide tolerance, glufosinate-ammonium herbicide tolerant and economical character Performance (seeing sixth embodiment).
Second embodiment, carry out transgenic soybean event DBN9001 detection with TaqMan
Take the blade about 100mg of transgenic soybean event DBN9001 as sample, use plant DNA extraction kit (DNeasy Plant Maxi Kit, Qiagen) extracts its genomic DNA, is examined by Taqman fluorescence probe quantitative PCR method Survey EPSPS gene and the copy number of pat gene.Simultaneously using Wild-type soy plant as comparison, examine according to the method described above Cls analysis.Experiment sets 3 repetitions, averages.
Concrete grammar is as follows:
Step 11, take the blade 100mg of transgenic soybean event DBN9001, in mortar, be ground into homogenate with liquid nitrogen, each Sample takes 3 repetitions；
Step 12, the DNeasy Plant Mini Kit of use Qiagen extract the genomic DNA of above-mentioned sample, specifically Method is with reference to its product description；
Step 13, measure the genomic DNA concentration of above-mentioned sample with NanoDrop 2000 (Thermo Scientific)；
Step 14, adjusting the genomic DNA concentration of above-mentioned sample to same concentration value, described concentration value is in the range of 80- 100ng/μl；
Step 15, employing Taqman fluorescence probe quantitative PCR method identify the copy number of sample, with through identifying known copying The sample of shellfish number is as standard substance, using the sample of Wild-type soy plant as comparison, and the repetition of 3, each sample, take it average Value；Fluorescence quantification PCR primer and probe sequence be respectively:
Following primer and probe are for detecting EPSPS gene order:
Primer 1:TTGGTGCTAACCTTACCGTTGAG is as shown in SEQ ID NO:16 in sequence table；
Primer 2: GCTTACCACGACCTTCAAGACG is as shown in SEQ ID NO:17 in sequence table；
Probe 1:CTGATGCTGACGGTGTGCGTACCATC is as shown in SEQ ID NO:18 in sequence table；
Following primer and probe are for detecting pat gene sequence:
Primer 3:CAGTTGAGATTAGGCCAGCTACAG is as shown in SEQ ID NO:19 in sequence table；
Primer 4:TTCACTGTAGACGTCTCAATGTAATGG is as shown in SEQ ID NO:20 in sequence table；
Probe 2:CAGCTGATATGGCCGCGGTTTGTG is as shown in SEQ ID NO:21 in sequence table；
PCR reaction system is:
Described 50 × primer/probe mixture comprises each 45 μ L of every kind of primer, probe 50 μ of 100 μMs of concentration of 1mM concentration L and 860 μ lL1 × TE buffer, and at 4 DEG C, be housed in amber test tube.
PCR reaction condition is:
Utilize SDS2.3 software (Applied Biosystems) analytical data, it is thus achieved that the transgenic soybean event of single copy DBN9001。
3rd embodiment, transgenic soybean event DBN9001 detect
3.1, extracting genome DNA
CTAB (cetyl trimethylammonium bromide) method that DNA extraction uses according to routine: take 2 grams of tender transgenic of children big After the blade of bean event DBN9001 is pulverized in liquid nitrogen, DNA extraction CTAB that addition 0.5mL preheats in temperature 65 DEG C is delayed (20g/L CTAB, 1.4M NaCl, 100mMTris-HCl, 20mM EDTA (ethylenediaminetetraacetic acid) adjust pH extremely with NaOH to rush liquid 8.0), fully after mixing, extract 90 minutes in temperature 65 DEG C；Add 0.5 times of volume of phenol, 0.5 times of volume of chloroform, overturn mixed Even；It is centrifuged 10 minutes under 12000rpm (revolutions per minute) rotating speed；Aspirate supernatant, adds 2 times of volume dehydrated alcohol, softly shakes Dynamic centrifuge tube, stands 30 minutes in temperature 4 DEG C；It is centrifuged again under 12000rpm rotating speed 10 minutes；Collect DNA at the bottom of pipe；Abandon supernatant Liquid, is the ethanol of 70% by 1mL mass concentration, washing precipitation；It is centrifuged 5 minutes under 12000rpm rotating speed；Vacuum is drained or super Clean platform dries up；DNA is precipitated and dissolved in appropriate TE buffer (10mM Tris-HCl, 1mM EDTA, pH 8.0), is saved in Under the conditions of temperature-20 DEG C.
3.2, the analysis of flanking DNA sequence
The DNA sample of said extracted is carried out concentration mensuration, makes the concentration of testing sample between 80-100ng/ μ L. With restricted enzyme PsiI, DraI and the TaqI (5 ' ends are analyzed) selected and AflII, TaqI and PsiI (3 ' ends are analyzed) point Other enzyme action genomic DNA.Each enzyme action system adds 26.5 μ L genomic DNAs, the 0.5 above-mentioned restriction enzyme selected of μ L Enzyme and 3 μ L enzyme cutting buffering liquids, enzyme action 1 hour.After enzyme action terminates, in enzyme action system, add 70 μ L dehydrated alcohol, ice bath 30 minutes, rotating speed 12000rpm was centrifuged 7 minutes, abandons supernatant, dries up, and added 8.5 μ L distilled water (dd H afterwards2O)、1μL 10X T4-DNA ligase buffer (NEB T4DNA Ligase Reaction Buffer, its concrete formula may have access to NEB website or With reference to https: //www.neb.com/products/restriction-endonucleases, https: // And 0.5 μ LT www.neb.com/products/b0202-t4-dna-ligase-reaction-buffer)4-DNA connects Enzyme connects overnight temperature 4 DEG C.Carry out PCR with a series of nested primerss and expand separation 5 ' and 3 ' transgenic/genomic DNA.Tool Body, separate the combination of 5 ' transgenic/genomic DNA primer include SEQ ID NO:13, SEQ ID NO:26 as the first primer, SEQ ID NO:27, SEQ ID NO:28 are as the second primer, and SEQ ID NO:13 is as sequencing primer.Separation 3 ' transgenic/ The combination of genomic DNA primer includes that SEQ ID NO:15, SEQ ID NO:29 are as the first primer, SEQ ID NO:30, SEQ ID NO:31 is as the second primer, and SEQ ID NO:15 is as sequencing primer, and PCR reaction condition is as shown in table 3.
The amplicon obtained electrophoresis on 2.0% agarose gel, to separate PCR reactant, uses glue to reclaim examination subsequently Agent box (QIAquick Gel Extraction Kit, catalogue #_28704, Qiagen Inc., Valencia, CA) is from agarose Substrate separation purpose fragment.Then the PCR primer of purification is checked order (such as, ABI PrismTM 377, PE Biosystems, Foster City, CA) and analyze (such as, DNASTAR sequence analysis software, DNASTAR Inc., Madison, WI).
Standard pcr is used to confirm 5 ' and 3 ' flanking sequences and junction sequences.5 ' flanking sequences and junction sequences can make Confirm with SEQ ID NO:8 or SEQ ID NO:12, combination S EQ ID NO:9, SEQ ID NO:13 or SEQ ID NO:26. 3 ' flanking sequences and junction sequences can use SEQ ID NO:11 or SEQ ID NO:14, combination S EQ ID NO:10, SEQ ID NO:15 or SEQ ID NO:29 confirms.PCR reaction system and amplification condition are as shown in table 2 and table 3.Those skilled in the art It will be appreciated that other primer sequences can also be used for confirming flanking sequence and junction sequences.
The DNA sequencing of PCR primer provides the DNA that may be used for designing other DNA moleculars, and other DNA moleculars described are made It is used for deriving from the bean plant of transgenic soybean event DBN9001 or the qualification of seed for primer and probe.
Find show in the nucleotide 1-859 position of SEQ ID NO:5 for soybean genomic sequence in genetically engineered soybean thing The right margin flank (5 ' flanking sequence) of part DBN9001 insertion sequence, aobvious in the nucleotide 5564-6644 position of SEQ ID NO:5 Show for soybean genomic sequence at the left margin flank (3 ' flanking sequence) of transgenic soybean event DBN9001 insertion sequence. 5 ' junction sequence are listed in SEQ ID NO:1, and 3 ' junction sequence are listed in SEQ ID NO:2.
3.3, PCR zygosity determination
Junction sequence is relatively short polynucleotide molecule, and it is new DNA sequence, examines in analyzing in Polynucleotide detection When measuring, the DNA for transgenic soybean event DBN9001 is diagnostic.Connecing in SEQ ID NO:1 and SEQ ID NO:2 Close insertion point and every side of Soybean genomic DNA that sequence is transgenic fragment in transgenic soybean event DBN9001 11 polynucleotide.Longer or shorter polynucleotide junction sequence can select from SEQ ID NO:3 or SEQ ID NO:4 Select.Junction sequence (5 ' join domain SEQ ID NO:1, and 3 ' join domain SEQ ID NO:2) is as DNA probe or conduct DNA primer molecule is useful in DNA detection method.Junction sequence SEQ ID NO:6 and SEQ ID NO:7 is also transgenic DNA sequence new in soybean event DBN9001, it can also be as DNA probe or big as DNA primer Molecular Detection transgenic The existence of bean event DBN9001DNA.Described SEQ ID NO:6 (the nucleotide 477-780 position of SEQ ID NO:3) spans The bonding land of pDBN4003 construct and genome and the nucleotide sequence of prGm17gTsf1 promoter, described SEQ ID NO:7 (the nucleotide 147-409 position of SEQ ID NO:4) spans phosphinothricin N-acetyl transferring enzyme cPAT, t35S tanscription termination Subsequence and pDBN4003 construct DNA sequence.
Additionally, by using at least one primer from SEQ ID NO:3 or SEQ ID NO:4 to produce amplicon, The diagnostic amplicon of transgenic soybean event DBN9001 is produced when described primer is in PCR method.
Specifically, producing PCR primer from 5 ' ends of transgene insert sequence, this PCR primer turns base for comprising to derive from Because of in the genome of the vegetable material of soybean event DBN9001 flank in the genomic DNA of 5 ' ends of T-DNA insertion sequence A part.This PCR primer comprises SEQ ID NO:3.In order to carry out PCR amplification, design and flank are in transgene insert sequence The primer 5 (SEQ ID NO:8) of genomic dna sequence hybridization of 5 ' ends, and paired be positioned at transgenic The primer 6 (SEQ ID NO:9) of prGm17gTsf1 promoter sequence.
Producing PCR primer from 3 ' ends of transgene insert sequence, this PCR primer comprises and derives from transgenic soybean event In the genome of the vegetable material of DBN9001, flank is in a part for the genomic DNA of 3 ' ends of T-DNA insertion sequence.This Individual PCR primer comprises SEQ ID NO:4.In order to carry out PCR amplification, design and flank are in 3 ' ends of transgene insert sequence The primer 8 (SEQ ID NO:11) of genomic dna sequence hybridization, and the phosphine silk bacterium of the paired 3 ' ends being positioned at insert The primer 7 (SEQ IDNO:10) of element N-acetyltransferase cPAT sequence.
In table 2 and table 3, the DNA cloning condition of explanation may be used for the test of above-mentioned PCR zygosity to produce genetically engineered soybean The diagnostic amplicon of event DBN9001.The detection of amplicon can be by using Stratagene Robocycler, MJ Engine, Perkin-Elmer 9700 or Eppendorf MastercyclerGradien thermal cycler etc. carry out, or pass through Method known to those skilled in the art and equipment are carried out.
The PCR that table 2,5 ' transgenic insertions/genome engaging zones for transgenic soybean event DBN9001 are identified Step and reactant mixture condition
Table 3, Perkin-Elmer9700 thermal cycler condition
Mix lightly, if there is no hot top on thermal cycler, 1-2 can be added above each reactant liquor and dripping mineral Oil.Use above loop parameter (table 3) at Stratagene Robocycler (Stratagene, La Jolla, CA), MJ Engine (MJ R-Biorad, Hercules, CA), Perkin-Elmer 9700 (Perkin Elmer, Boston, MA) or The Eppendorf enterprising performing PCR of Mastercycler Gradient (Eppendorf, Hamburg, Germany) thermal cycler. MJ Engine or Eppendorf Mastercycler Gradient thermal cycler should run under the pattern calculated. Cooling rate (ramp speed) to be set as maximum when running by Perkin-Elmer 9700 thermal cycler.
Test result indicate that: primer 5 and 6 (SEQ ID NO:8 and 9), when it is used in transgenic soybean event DBN9001 base Because, time in the PCR reaction of group DNA, producing the amplified production of 780bp fragment, when it is used in unconverted Soybean genomic DNA and non- Time in the PCR reaction of DBN9001 Soybean genomic DNA, fragment is not had to be amplified；Primer 7 and 8 (SEQ ID NO:10 and 11), When it is used in the PCR reaction of transgenic soybean event DBN9001 genomic DNA, produce the amplified production of 877bp fragment, When it is used in the PCR reaction of unconverted Soybean genomic DNA and non-DBN9001 Soybean genomic DNA, fragment is not had to be expanded Increase.
PCR zygosity determination can be additionally used in identify derive from the material of transgenic soybean event DBN9001 be homozygote or It it is heterozygote.Primer 9 (SEQ ID NO:12), primer 10 (SEQ ID NO:13) and primer 11 (SEQ ID NO:14) are used for Amplified reaction is to produce the diagnostic amplicon of transgenic soybean event DBN9001.The DNA cloning condition of explanation in table 4 and table 5 May be used for the test of above-mentioned zygosity to produce the diagnostic amplicon of transgenic soybean event DBN9001.
Table 4, zygosity determination reactant liquor
Table 5, zygosity determination Perkin-Elmer9700 thermal cycler condition
Use above loop parameter (table 5) Stratagene Robocycler (Stratagene, La Jolla, CA), MJ Engine (MJ R-Biorad, Hercules, CA), Perkin-Elmer 9700 (Perkin Elmer, Boston, MA) Or carry out on Eppendorf Mastercycler Gradient (Eppendorf, Hamburg, Germany) thermal cycler PCR.MJ Engine or Eppendorf Mastercycler Gradient thermal cycler should run under the pattern calculated. Cooling rate (ramp speed) to be set as maximum when running by Perkin-Elmer 9700 thermal cycler.
In described amplified reaction, the biological sample containing template DNA contains transgenic soybean event in this sample of diagnosis The DNA of the existence situation of DBN9001.Or react and will be produced two by the biological sample containing the DNA deriving from soybean gene group Individual different DNA cloning, described in derive from the DNA of soybean gene group and exist relative in transgenic soybean event DBN9001 Allele corresponding for insertion DNA be heterozygosis.The amplicon that the two is different would correspond to derive from Wild-type soy base Second amplicon of the first amplicon with the existence situation of diagnosis transgenic soybean event DBN9001DNA because organizing locus.Only Produce the soy bean DNA sample corresponding to the single amplicon of the second amplicon described for heterozygous genes group, diagnosable determine The existence of transgenic soybean event DBN9001 in this sample, and this sample deposited by relative in transgenic soy bean plant DBN9001 Allele corresponding for insertion DNA produced by the soybean seed isozygotied.
It should be noted that the primer of transgenic soybean event DBN9001 is to being used to transgenic soybean event DBN9001 genomic DNA is diagnostic amplicon.These primers to including but not limited to, primer 5 and 6 (SEQ ID NO:8 With 9), and primer 7 and 8 (SEQ ID NO:10 and 11), in described DNA cloning method.It addition, be used for expanding in Semen sojae atricolor One of source gene comparison primer 12 and 13 (SEQ ID NO:22 and 23) is included, as in one of reaction condition Standard.The DNA extracting sample analysis of transgenic soybean event DBN9001 should be included a transgenic soybean event The assaypositive tissue DNA extract comparison of DBN9001, a negative DNA extracting deriving from Non-transgenic soybean event DBN9001 Thing comparison and a negative control not containing template soy bean DNA extract.Except these primers in addition to, it is also possible to make for From SEQ ID NO:3 or SEQ ID NO:4 or any primer pair of its complementary series, when they are used for DNA amplification reaction Produce respectively for derive from transgenic event bean plant DBN9001 be organized as diagnostic comprise SEQ ID NO:1 or The amplicon of SEQ ID NO:2.In table 2-table 5, the DNA cloning condition of explanation is used for suitable primer to produce The diagnostic amplicon of transgenic soybean event DBN9001.Produce genetically engineered soybean thing when test in DNA cloning method Part DBN9001 is that diagnostic amplicon, presumption are containing bean plant or the seed comprising transgenic soybean event DBN9001 The extract of DNA, or derive from the product of transgenic soybean event DBN9001, is used as the template of amplification, determines and is No there is transgenic soybean event DBN9001.
4th embodiment, carried out transgenic soybean event DBN9001 detection by Southern blot hybridization
4.1, for the DNA extraction of Southern blot hybridization
T4, T5 and T6 is utilized to carry out Southern engram analysis for the transformation event isozygotied.Utilize mortar and pestle, at liquid In in nitrogen, plant tissue is ground.20mLCTAB lysis buffer (100mM Tris pH8.0,20mM EDTA pH8.0, 1.4M NaCl, 0.2%v/v β-dredge base ethanol, 2%w/v Polyvinyl-pyrrolidone) in ground for resuspension 4-5g plant group Knit, and incubation 60 minutes at temperature 65 DEG C.During incubation, every 10 minutes by reverse for sample mixing once.After incubation, add Isopyknic chloroform/isoamyl alcohol (24:1), is gently mixed by inversion, is centrifuged 20 minutes with rotating speed 4000rpm.Collect aqueous phase, Add place at temperature-20 DEG C after equal-volume isopropanol 1 hour to precipitate DNA, then be centrifuged 5 minutes with rotating speed 4000rpm Obtain DNA precipitation, then resuspension DNA precipitation in 1mL TE buffer.For the RNA of any existence of degrading, in temperature 37 At DEG C, by DNA and 5 μ LRNAase A incubation that concentration is 30mg/mL 30 minutes, it is centrifuged 5 minutes with rotating speed 4000rpm, then In the presence of 0.1 volume 3M sodium acetate and 2 volume dehydrated alcohol, it is centrifuged 10 minutes precipitation DNA with rotating speed 14000rpm. After discarding supernatant, precipitate by the 1mL washing with alcohol of 70% (v/v) so that it is again dissolve in 1mL TE buffer after drying. The genomic DNA measuring above-mentioned sample with ultramicrospectrophotometer (NanoDrop 2000, Thermo Scientific) is dense Degree.
4.2, enzymic digestion is limited
In 100 μ L reaction systems, digestion 5 μ g DNA every time.Digest respectively with restricted enzyme EcoRI and EcoRV Genomic DNA, the partial sequence of EPSPS and PAT on T-DNA is as probe.For every kind of enzyme, the most overnight Incubation digest.Utilize SpeedVac (speed vacuum, Thermo Scientific) rotary sample to subtract Few volume is to 20 μ L.
4.3, gel electrophoresis
Bromophenol blue Loading Dye is added to each sample derived from the present embodiment 4.2, and by each sample pipetting volume On 0.7% agarose gel containing ethidium bromide, TAE electrophoretic buffer (40mM Tris-acetic acid, 2mM EDTA, PH8.0) electrophoretic separation in, under 20 volts, running gel is overnight.
Respectively with degeneration liquid (1.5M NaCl, 0.5M NaOH) and neutralizer (1.5M NaCl, 0.5M Tris, pH7.2) Each 30 minutes for the treatment of gel.In porcelain dish, pour 5 × SSC into, take lastblock glass plate, put the filter paper bridge soaked the most successively, solidifying Glue, the nylon membrane (Roche, Cat.No.11417240001) of positively charged, three metafiltration paper, paper tower, weight.At room temperature transferring film mistake After night, in 2 × SSC, rinse nylon membrane 10 seconds, by UV crosslinking, DNA is fixed on film.
4.4, hybridization
The DNA sequence being suitable for PCR amplification is prepared for probe.Described DNA probe is SEQ ID NO:24 and SEQ ID NO:25, or with above-mentioned Sequence homology or complementation.With the efficient digoxigenin labeled of DNA and detection kit II (DIG High Prime DNA Labeling and Detection Starter Kit II test kit, Roche, Cat.No.11585614910) operations such as the DIG labelling of probe, Southern blot hybridization and signal detection are carried out, specifically Method is with reference to its product description.
Include two kinds of control samples on each Southern: (1) from the DNA of the segregant of negative (unconverted), its For identify any can be with the endogenous soybean sequence of element-specific probe hybridization；(2) it is equivalent to one based on probe length copy The pDBN4003 plasmid of the Hind III-digestion of shellfish number, it is as the positive control of hybridization and for the sensitivity of experiment is described.
Hybridization data provides the evidence of confirmation and supports TaqManTMPcr analysis, i.e. bean plant DBN9001 contains The list copy of EPSPS and pat gene.Utilize this EPSPS probe, EcoR I and EcoR V enzymolysis produce respectively size about 8kb and The single band of 13kb；This PAT probe, EcoR I and EcoR V enzymolysis is utilized to produce the list of size about 7.5kb and 2.5kb respectively One band.This shows that each copy of EPSPS and PAT is present in transformation of soybean event DBN9001.
5th embodiment, by ELISA detect transgenic corn events title protein
EPSPS and PAT protein expression scope in transgenic soybean event DBN9001, can be examined by ELISA Survey.
Take the fresh blade of 2mg transgenic soybean event DBN9001 as sample, add after liquid nitrogen grinding and extract described in 1mL Take buffer (8g/L NaCl, 0.27g/L KH2PO4, 1.42g/L Na2HPO4, 0.2g/LKCl, 5.5ml/L Tween-20, PH7.4), it is centrifuged 10 minutes under the rotating speed of 4000rpm, takes the described extraction buffer of supernatant and dilute 40 times, take 80 μ l dilutions After supernatant for ELISA detect.
With ELISA (enzyme-linked immunosorbent assay) test kit (ENVIRLOGIX company, EPSPS test kit and PAT reagent Box) protein in sample (EPSPS albumen and PAT albumen) amount accounted for the ratio of fresh weight carry out detection and analyze, concrete grammar With reference to its product description.Simultaneously with Wild-type soy plant leaf (non-transgenic, NGM) as comparison, according to the method described above Carrying out detection to analyze, every strain is repeated 6 times.
The experimental result such as table 6 of protein (EPSPS albumen and the PAT albumen) content of transgenic soybean event DBN9001 Shown in.Record the average table of EPSPS albumen in the fresh blade of transgenic soybean event DBN9001 and Wild-type soy plant respectively The amount of reaching accounts for the ratio (μ g/g) of fresh weight and is respectively 170.1 and 0；Transgenic soybean event DBN9001 and Wild-type soy are planted In the fresh blade of strain, PAT albumen average expression amount accounts for the ratio (μ g/g) respectively 260.2 and 0 of fresh weight.
Table 6, the expressing quantity (μ g/g) of transgenic soybean event DBN9001 measure average result
Sixth embodiment, the herbicide tolerant detection of transgenic soybean event DBN9001
This test selects agriculture to reach herbicide (41% glyphosate-isopropylammonium water preparation) and guarantor's examination reaches (Basta) herbicide and (has The glufosinate-ammonium of effect composition 18%) spray.Use randomized block design, repeat for 3 times.Plot area is 18m2(5m× 3.6m), line-spacing 60cm, spacing in the rows 8cm, conventional cultivation manages, has the wide isolation strip of 1m between community.By transgenic soybean event DBN9001 carries out following 3 kinds of process respectively: 1) do not spray, artificial controlled grass；2) by 1680g a.e./ha, (a.e./ha refers to " live Property composition angelic acid per hectare ") dosage sprays agriculture in the V3 leaf phase and reaches herbicide, then presses same dose again in the R2 phase (full-bloom stage) Secondary sprinkling agriculture reaches herbicide；3) spray in the V3 leaf phase by 800g a.i./ha (a.i./ha refers to " active ingredient per hectare ") dosage Spill guarantor's examination and reach herbicide, then again spray guarantor's examination in the V6 phase by same dose and reach herbicide；4) 800g a.i./ha dosage is pressed Spray guarantor's examination in the V3 leaf phase and reach herbicide, then reach herbicide in the R2 phase by 1680g a.e./ha dose spray agriculture.Use wild type Milpa (non-transgenic, NGM) is cooked parallel control experiment.It should be noted that different content and the Gyphosate herbicice of dosage form Agent is converted into the form of equivalent glyphosate, and the glufosinate-ammonium solution of variable concentrations is converted into above-mentioned equivalent effective ingredient grass ammonium Phosphine is all applicable to draw a conclusion.
1 week and 2 weeks investigation symptom of chemical damage after medication respectively, and the soybean yields of community is measured when results.Poisoning disease Shape classification is as shown in table 7.By herbicide rate of being injured as evaluating the index of herbicide tolerant of transformation event, specifically, remove Grass agent is injured rate (%)=∑ (peer be injured strain number × number of levels)/(total strain number × highest level)；Wherein herbicide is injured rate Be injured rate including glyphosate and glufosinate-ammonium be injured rate, the herbicide rate of being injured be process according to glyphosate or glufosinate-ammonium after the medicine of 2 weeks Do harm to survey result and determine.The soybean yields of each community is to weigh the big beans total output (weight) of 3 row in the middle of each community, Volume variance between different disposal is measured with the form of yield percentage rate, yield percentage rate (%)=spray yield/do not spray Execute yield.Transgenic soybean event DBN9001 is as shown in table 8 to result and the soybean yields result of herbicide tolerant.
Table 7, the herbicide grade scale to Semen sojae atricolor poisoning degree
Poisoning rank Symptom describes
1 Growth is normal, without any damage symptoms
2 Slight poisoning, poisoning is less than 10%
3 Medium poisoning, can recover later, not affect yield
4 Poisoning is heavier, it is difficult to recovers, causes the underproduction
5 Poisoning is serious, it is impossible to recovers, causes the obvious underproduction or total crop failure
Table 8, transgenic soybean event DBN9001 are to the result of herbicide tolerant and yield test result
Result illustrates, in terms of herbicide (glyphosate and glufosinate-ammonium) rate of being injured: 1) transgenic soybean event DBN9001 exists Under glyphosate herbicidal (1680g a.e./ha) processes, the rate of being injured is essentially 0；2) transgenic soybean event DBN9001 is at grass ammonium Rate of being injured under phosphine herbicide (800g a.i./ha) process is also essentially 0；3) transgenic soybean event DBN9001 removes in glufosinate-ammonium Rate of being injured under grass agent (800g a.i./ha) and glyphosate herbicidal (1680g a.e./ha) process is also essentially 0；Thus, turn Transgenic soybean event DBN9001 has good herbicide (glyphosate and glufosinate-ammonium) toleration.
In terms of yield: transgenic soybean event DBN9001 is spraying glyphosate herbicidal (1680g a.e./ha), grass Ammonium phosphine herbicide (800g a.i./ha) and glufosinate-ammonium herbicide (800g a.i./ha)+glyphosate herbicidal (1680g a.e./ Ha) 3 kinds process under yield compare and do not spray process and be increased slightly, thus, further demonstrate that transgenic soybean event DBN9001 There is good herbicide (glyphosate and glufosinate-ammonium) toleration.
7th embodiment
Such as agricultural product or commodity can be produced by transgenic soybean event DBN9001.If at described agricultural product or commodity In enough expressions detected, described agricultural product or commodity expection are containing diagnosing transgenic soybean event DBN9001 material Expect nucleotide sequence present in the described agricultural product or commodity.Described food or commodity include but not limited to from bean plant The product of DBN9001, such as soybean cake, powder and oil, be specifically as follows lecithin, fatty acid, glycerol, sterin, edible oil, defat Semen sojae atricolor sheet, include defat and baking Semen sojae atricolor powder, bean milk grumeleuse, bean curd, soybean protein concentrate, the soybean protein of separation, Hydrolyzed vegetable protein, textured soybean protein and soybean fiber etc..Nucleic acid detection method based on probe or primer pair and/ Or test kit can be developed to detect the transgenic shown in such as SEQ ID NO:1 or SEQ ID NO:2 in biological sample big Bean event DBN9001 nucleotide sequence, wherein probe sequence or primer sequence selected from as SEQ ID NO:1, SEQ ID NO:2, Sequence shown in SEQ ID NO:3, SEQ ID NO:4 and SEQ ID NO:5 or its fragment or sequence complementary therewith, with The existence of diagnosis transgenic soybean event DBN9001.
In sum, glyphosate herbicidal and glufosinate-ammonium herbicide are had by transgenic soybean event DBN9001 of the present invention Preferably toleration, on yield without impact, and whether detection method can be identified quickly and accurately in biological sample to comprise and turn base DNA molecular because of soybean event DBN9001.
Seed corresponding to transgenic soybean event DBN9001 is deposited in China Microbiological bacterium on November 27th, 2015 Kind preservation administration committee common micro-organisms center (abbreviation CGMCC, address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3, in Institute of microbiology of academy of science of state, postcode 100101), Classification And Nomenclature: Semen sojae atricolor (Glycine max), deposit number is CGMCC No.11043.Preserved material will be depository's preservation 30 years.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted, although ginseng According to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that, can be to the present invention Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention.

Claims (28)

1. a nucleic acid molecules with following nucleotide sequence, it is characterised in that described nucleotide sequence include SEQ ID NO:3 or At least 11 continuous print at least 11 continuous print nucleotide and/or SEQ ID NO:4 or its complementary series in its complementary series Nucleotide.
Nucleic acid molecules the most according to claim 1, it is characterised in that described nucleotide sequence includes SEQ ID NO:1 or it is mutual Complementary series and/or SEQ ID NO:2 or its complementary series.
Nucleic acid molecules the most according to claim 2, it is characterised in that described nucleotide sequence include SEQ ID NO:3 or its Complementary series and/or SEQ ID NO:4 or its complementary series.
Nucleic acid molecules the most according to claim 3, it is characterised in that described nucleotide sequence include SEQ ID NO:5 or its Complementary series.
5. the method that the DNA detecting transgenic soybean event DBN9001 in sample exists, it is characterised in that including:
Detected sample is made to contact in nucleic acid amplification reaction with for expanding at least two primer of target amplification product；
Carry out nucleic acid amplification reaction；With
Detect the existence of described target amplification product；
Described target amplification product include in SEQ ID NO:3 or its complementary series at least 11 continuous print nucleotide and/or At least 11 continuous print nucleotide in SEQ ID NO:4 or its complementary series.
The method that the most according to claim 5, in detection sample, the DNA of transgenic soybean event DBN9001 exists, its feature Being, described target amplification product includes the continuous nucleoside in 1-11 position or 12-22 position in SEQ ID NO:1 or its complementary series 1-11 position or 12-22 position continuous nucleotide in acid and/or SEQ ID NO:2 or its complementary series.
7., according to detecting the method that in sample, the DNA of transgenic soybean event DBN9001 exists described in claim 5 or 6, it is special Levying and be, described target amplification product includes selected from following at least one: SEQ ID NO:1 or its complementary series, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or its complementary series.
8. according to detecting the side that in sample, the DNA of transgenic soybean event DBN9001 exists described in any one of claim 5-7 Method, it is characterised in that at least one described primer include nucleotide sequence described in any one of claim 1-5 or its fragment or with The sequence of complementation.
The method that the most according to claim 8, in detection sample, the DNA of transgenic soybean event DBN9001 exists, its feature Being, described primer includes the first primer and the second primer, and described first primer is selected from SEQ ID NO:8 and SEQ ID NO: 10；Described second primer is selected from SEQ ID NO:9 and SEQ ID NO:11.
10. the method that the DNA detecting transgenic soybean event DBN9001 in sample exists, it is characterised in that including:
Making detected sample contact with probe, described probe includes in SEQ ID NO:3 or its complementary series at least 11 continuously Nucleotide and/or SEQ ID NO:4 or its complementary series at least 11 continuous print nucleotide；
Described detected sample and described probe is made to hybridize under stringent hybridization condition；With
Detect described detected sample and the hybridisation events of described probe.
11. detect the method that in sample, the DNA of transgenic soybean event DBN9001 exists according to claim 10, and it is special Levy and be, described probe include in SEQ ID NO:1 or its complementary series 1-11 position or 12-22 position continuous nucleotide and/ Or 1-11 position or 12-22 position continuous nucleotide in SEQ ID NO:2 or its complementary series.
12. according to detecting the method that in sample, the DNA of transgenic soybean event DBN9001 exists described in claim 10 or 11, It is characterized in that, described probe comprises selected from following at least one: SEQ ID NO:1 or its complementary series, SEQ ID NO:2 Or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or its complementary series.
13. according to detecting what the DNA of transgenic soybean event DBN9001 in sample existed described in any one of claim 10-12 Method, it is characterised in that at least one described probe is with at least one fluorophor labelling.
The method that 14. 1 kinds of DNA detecting transgenic soybean event DBN9001 in sample exist, it is characterised in that including:
Making detected sample contact with label nucleic acid molecules, described label nucleic acid molecules includes SEQ ID NO:3 or it is mutual At least 11 continuous print nucleoside at least 11 continuous print nucleotide and/or SEQ ID NO:4 or its complementary series in complementary series Acid；
Described detected sample and described label nucleic acid molecules is made to hybridize under stringent hybridization condition；With
Detect described detected sample and the hybridisation events of described label nucleic acid molecules, and then divided by label assistant breeding Analysing to determine glyphosate tolerant and/or glufosinate tolerant and label nucleic acid molecules is chain on hereditism.
15. according to detecting the method that in sample, the DNA of transgenic soybean event DBN9001 exists described in claim 14, it is special Levying and be, described label nucleic acid molecules includes that in SEQ ID NO:1 or its complementary series, 1-11 position or 12-22 position are continuous 1-11 position or 12-22 position continuous nucleotide in nucleotide and/or SEQ ID NO:2 or its complementary series.
16. according to detecting the method that in sample, the DNA of transgenic soybean event DBN9001 exists described in claims 14 or 15, It is characterized in that, described label nucleic acid molecules includes selected from following at least one: SEQ ID NO:1 or its complementary series, SEQ ID NO:2 or its complementary series, SEQ ID NO:6 or its complementary series and SEQ ID NO:7 or its complementary series.
17. 1 kinds of DNA detection test kits, it is characterised in that include that at least one DNA molecular, described DNA molecular include SEQ ID In the homologous sequence of NO:3 or its complementary series at least 11 continuous print nucleotide and/or the homologous sequence of SEQ ID NO:4 or At least 11 continuous print nucleotide in its complementary series, it can be as transgenic soybean event DBN9001 or its offspring There is specific DNA primer or probe.
18. according to DNA detection test kit described in claim 17, it is characterised in that described DNA molecular includes SEQ ID NO:1 Or in its complementary series in 1-11 position or 12-22 position continuous nucleotide and/or SEQ ID NO:2 or its complementary series 1-11 position or 12-22 position continuous nucleotide.
19. according to DNA detection test kit described in claim 17 or 18, it is characterised in that described DNA molecular includes selected from following At least one: the homologous sequence of SEQ ID NO:1 or its complementary series, the homologous sequence of SEQ ID NO:2 or its complementary sequence Row, the homologous sequence of SEQ ID NO:6 or its complementary series and the homologous sequence of SEQ ID NO:7 or its complementary series.
20. 1 kinds of plant cells or part, it is characterised in that comprise coding glyphosate tolerant EPSPS albumen nucleotide sequence, The nucleotide sequence of coding glufosinate tolerant PAT albumen and the nucleotide sequence of specific region, the nucleotide sequence of described specific region Including selected from following at least one: shown in SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:6 and SEQ ID NO:7 Sequence.
21. 1 kinds of methods producing the soybean plant strain to glyphosate herbicidal and/or glufosinate-ammonium herbicide with toleration, it is special Levy and be, including in the genome of described soybean plant strain introduce coding glyphosate tolerant EPSPS albumen nucleotide sequence and/ Or encode nucleotide sequence and the nucleotide sequence of specific region, the nucleic acid of described specific region of glufosinate tolerant PAT albumen Sequence is selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID At least one nucleotide sequence in sequence shown in NO:6 and SEQ ID NO:7.
22. Semen sojae atricolor that according to producing described in claim 21, glyphosate herbicidal and/or glufosinate-ammonium herbicide are had toleration The method of plant, it is characterised in that including:
Glyphosate herbicidal and/or glufosinate-ammonium herbicide will be had transgenic soybean event DBN9001 first parent of toleration This soybean plant strain and the second parental soybean plant sexual hybridization lacking glyphosate and/or glufosinate tolerant, thus produce big Amount progeny plant；
With progeny plant described in glyphosate herbicidal and/or glufosinate-ammonium herbicide treatment；With
Select tolerance glyphosate and/or the described progeny plant of glufosinate-ammonium.
23. 1 kinds of methods cultivating the bean plant to glyphosate herbicidal and/or glufosinate-ammonium herbicide with toleration, it is special Levy and be, including:
Planting at least one soybean seed, the genome of described soybean seed includes encoding glyphosate tolerant EPSPS albumen Nucleotide sequence and/or the coding nucleotide sequence of glufosinate tolerant PAT albumen and the nucleotide sequence of specific region；
Described soybean seed is made to grow up to soybean plant strain；With
With soybean plant strain described in effective dose glyphosate herbicidal and/or glufosinate-ammonium herbicide spray, results do not have with other The plant of the nucleotide sequence of specific region compares the plant with the plant injury weakened；
The nucleotide sequence of described specific region is selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO: 4, at least one nucleotide sequence in sequence shown in SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7.
24. 1 kinds of methods protecting the plants from the damage caused by herbicide, it is characterised in that include containing effective dose The herbicide of glyphosate and/or glufosinate-ammonium is applied to plant the big Tanaka of at least one transgenic soy bean plant, described transgenic Bean plant comprise in its genome selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, At least one nucleotide sequence in sequence shown in SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7, described genetically engineered soybean Plant has glyphosate herbicidal and/or the toleration of glufosinate-ammonium herbicide.
25. the method controlling weeds in field, it is characterised in that include containing effective dose glyphosate and/or glufosinate-ammonium Herbicide be applied to plant the big Tanaka of at least one transgenic soy bean plant, described transgenic soy bean plant is at its genome In comprise selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID At least one nucleotide sequence in sequence shown in NO:6 and SEQ ID NO:7, described transgenic soy bean plant has and removes glyphosate Grass agent and and/or the toleration of glufosinate-ammonium herbicide.
The method of 26. 1 kinds of land for growing field crops glyphosate resistance weeds controlling glyphosate-tolerant plant, it is characterised in that include by Herbicide containing effective dose glufosinate-ammonium is applied to plant the big of the transgenic soy bean plant of at least one glyphosate tolerant Tanaka, the transgenic soy bean plant of described glyphosate tolerant comprises selected from SEQ ID NO:1, SEQ ID in its genome In sequence shown in NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7 extremely Few a kind of nucleotide sequence, the transgenic soy bean plant of described glyphosate tolerant has the tolerance to glufosinate-ammonium herbicide simultaneously Property.
27. 1 kinds of methods delaying insect-resistant, it is characterised in that be included in and plant the big Tanaka plantation of pest-resistant bean plant extremely Few a kind of transgenic soy bean plant with glyphosate and/or glufosinate tolerant, described in there is glyphosate and/or glufosinate-ammonium is resistance to By the transgenic soy bean plant of property comprise in its genome selected from SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, At least one nucleotide sequence in sequence shown in SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7.
The agricultural product of 28. 1 kinds of polynucleotide comprising SEQ ID NO:1 or SEQ ID NO:2 or commodity, it is characterised in that institute State agricultural product or commodity are lecithin, fatty acid, glycerol, sterin, Semen sojae atricolor sheet, Semen sojae atricolor powder, soybean protein or its concentrate, Semen sojae atricolor Oil, soybean fiber, bean milk grumeleuse or bean curd.
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