WO2022108383A1 - L-글루타민 생산능이 향상된 미생물 및 이를 이용한 l-글루타민 생산 방법 - Google Patents
L-글루타민 생산능이 향상된 미생물 및 이를 이용한 l-글루타민 생산 방법 Download PDFInfo
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- microorganism
- glutamine
- polypeptide
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
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- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 239000007951 isotonicity adjuster Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
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- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
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- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/74—Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora
- C12N15/77—Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora for Corynebacterium; for Brevibacterium
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/88—Lyases (4.)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/14—Glutamic acid; Glutamine
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y401/00—Carbon-carbon lyases (4.1)
- C12Y401/01—Carboxy-lyases (4.1.1)
- C12Y401/01032—Phosphoenolpyruvate carboxykinase (GTP) (4.1.1.32)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/15—Corynebacterium
Definitions
- the present inventors have completed the present application by confirming that L-glutamine is produced with high efficiency in microorganisms containing phosphoenolpyruvate carboxykinase as a result of diligent efforts to increase L-glutamine production capacity.
- a polynucleotide encoding a target polypeptide may be inserted into a chromosome through a vector for intracellular chromosome insertion.
- the insertion of the polynucleotide into the chromosome may be performed by any method known in the art, for example, homologous recombination, but is not limited thereto.
- It may further include a selection marker (selection marker) for confirming whether the chromosome is inserted.
- the selection marker is used to select cells transformed with the vector, that is, to determine whether a target nucleic acid molecule is inserted, and selectable phenotypes such as drug resistance, auxotrophy, resistance to cytotoxic agents, or surface polypeptide expression. Markers to be given can be used. In an environment treated with a selective agent, only the cells expressing the selectable marker survive or exhibit other expression traits, so that the transformed cells can be selected.
- the recombinant strain with increased production capacity is about 1% or more, specifically about 2% or more, about 5% or more, compared to the L-glutamine production capacity of the parent strain, unmodified microorganism or PEPCK unmodified microorganism before mutation. 6% or more, about 7% or more, about 7.2% or more, about 8% or more, about 9% or more, or about 9.2% or more (the upper limit is not particularly limited, for example, about 200% or less, about 150% or less, about 100 % or less, about 51% or less, about 40% or less, about 30% or less, about 20% or less, or about 15% or less)) It is not limited thereto as long as there is an increase in the + value compared to the productivity.
- the pH of the medium can be adjusted.
- an antifoaming agent such as fatty acid polyglycol ester may be used to suppress bubble formation.
- oxygen or oxygen-containing gas may be injected into the medium, or nitrogen, hydrogen or carbon dioxide gas may be injected without injection of gas or without gas to maintain anaerobic and microaerobic conditions. it is not
- a vector pDZ- ⁇ PEPCK for pck gene deletion was prepared by cloning using the Infusion Cloning Kit (TaKaRa) according to the provided manual.
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- General Health & Medical Sciences (AREA)
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- Plant Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
서열번호 | 명칭 | 서열 |
3 | primer 1 | ggggatcctctagagtcgacCTGCGACGACTGGAAAACCATGG |
4 | primer 2 | GCAGTTCTTAAGCGTGAACTactagtTAAAACTTTAGGTGAGACAAC |
5 | primer 3 | GTTGTCTCACCTAAAGTTTTAactagtAGTTCACGCTTAAGAACTGC |
6 | primer 4 | gcttgcatgcctgcaggtcgacGGCTGGACCCTAGAATTCGG |
서열번호 | 서열명 | 서열 |
7 | primer 5 | ggggatcctctagagtcgacgtggcgtttgaaaccccggaag |
8 | primer 6 | catcgagccacacgctccagtgaacaaggacctctacgaac |
9 | primer 7 | gttcgtagaggtccttgttcactggagcgtgtggctcgatg |
10 | primer 8 | gcttgcatgcctgcaggtcgacttagcagtcgaagtacaattcg |
균주 | 유전형질 | L-글루타민 (g/L) |
ATCC13032 | 0.89 | |
CA11-4021 | ATCC13032::glnA(D401N) | 1.25 |
CA11-4023 | CA11-4021△PEPCK | 1.34 |
균주 | L-글루타민 (g/L) |
KFCC-10680 | 13.8 |
KFCC-10680△pck | 15.4 |
Claims (8)
- 포스포에놀피루베이트 카르복시키나아제 활성이 약화되고 L-글루타민 생산능을 가지는, 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 미생물은 포스포에놀피루베이트 카르복시키나아제 활성이 약화되지 않은 모균주 또는 야생형 코리네박테리움 속 균주에 비하여 L-글루타민 생산능이 증가된, 미생물.
- 제1항에 있어서, 상기 포스포에놀피루베이트 카르복시키나아제는 내재 단백질인, 미생물.
- 제1항에 있어서, 상기 미생물은 코리네박테리움 글루타미쿰인, 미생물.
- 제1항에 있어서, 상기 포스포에놀피루베이트 카르복시키나아제는 서열번호 1의 아미노산 서열 또는 이와 90% 이상의 동일성을 가지는 아미노산 서열로 이루어진, 미생물.
- 제1항 내지 제5항 중 어느 한 항의 미생물을 배지에서 배양하는 단계를 포함하는, L-글루타민 생산 방법.
- 제6항에 있어서, 상기 배양하는 단계 이후 배지 또는 미생물로부터 L-글루타민을 회수하는 단계를 추가적으로 포함하는, L-글루타민 생산 방법.
- 포스포에놀피루베이트 카르복시키나아제가 약화된, 코리네박테리움 속 미생물의 L-글루타민 생산 용도.
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JP2023530699A JP2023550131A (ja) | 2020-11-20 | 2021-11-19 | L-グルタミン生産能が向上した微生物及びそれを用いたl-グルタミン生産方法 |
US18/037,320 US20240018558A1 (en) | 2020-11-20 | 2021-11-19 | Microorganism having enhanced l-glutamine producing ability, and l-glutamine producing method using same |
CN202180078075.XA CN116761884A (zh) | 2020-11-20 | 2021-11-19 | 具有增强的l-谷氨酰胺生产能力的微生物,以及使用该微生物的l-谷氨酰胺生产方法 |
CA3200736A CA3200736A1 (en) | 2020-11-20 | 2021-11-19 | Microorganism having enhanced l-glutamine producing ability, and l-glutamine producing method using same |
AU2021384593A AU2021384593A1 (en) | 2020-11-20 | 2021-11-19 | Microorganism having enhanced l-glutamine producing ability, and l-glutamine producing method using same |
EP21895150.7A EP4230743A4 (en) | 2020-11-20 | 2021-11-19 | MICROORGANISM WITH IMPROVED L-GLUTAMINE PRODUCTION CAPABILITY AND L-GLUTAMINE PRODUCTION PROCESS THEREFOR |
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EP (1) | EP4230743A4 (ko) |
JP (1) | JP2023550131A (ko) |
KR (1) | KR102694516B1 (ko) |
CN (1) | CN116761884A (ko) |
AU (1) | AU2021384593A1 (ko) |
CA (1) | CA3200736A1 (ko) |
WO (1) | WO2022108383A1 (ko) |
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EP4230743A4 (en) | 2024-04-17 |
CA3200736A1 (en) | 2022-05-27 |
KR20220069864A (ko) | 2022-05-27 |
CN116761884A (zh) | 2023-09-15 |
AU2021384593A1 (en) | 2023-06-08 |
KR102694516B1 (ko) | 2024-08-13 |
US20240018558A1 (en) | 2024-01-18 |
JP2023550131A (ja) | 2023-11-30 |
EP4230743A1 (en) | 2023-08-23 |
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