JP2008220376A - SalmonellaTyphiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のi0nvitro診断のためのその使用 - Google Patents
SalmonellaTyphiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のi0nvitro診断のためのその使用 Download PDFInfo
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Abstract
【解決手段】上記の特定配列は、サルモネラ属細菌による培養HeLa細胞のin vitro感染活性に必要な遺伝子情報の全部又は一部を含むことを特徴とする。該遺伝子配列は、サルモネラ属細菌を含む疑いのあるサンプル、食料品におけるサルモネラ属細菌の存在のin vitro診断のためのプローブ、プライマーとして有用であり、本遺伝子配列を含む検出キットも提供する。
【選択図】なし
Description
1.2KbフラグメントSacIの単離。
2.2kbのSacIフラグメントに関連する遺伝子領域。
3.サルモネラプローブの単離。
4.サルモネラプローブの特異性の制御。
5.遺伝子増幅後の生物学的産物中におけるサルモネラの検出。
5.2.SS−1及びSS−2と共にPCRに使用したプロトコル。
1)完全細菌を蒸留水100μlに懸濁させた。
2)細菌懸濁液を遠心分離用マイクロチューブ内で100℃で10分間処理した。
3)次に懸濁液をマイクロ遠心機で最大速度で3分間遠心分離した。遠心分離残渣を避けてこの溶液10μlをとり、遺伝子増幅を行った。
5.4.実験室で再構成したサンプル中におけるサルモネラの検出試験。
5.4.1.PCRによる分析用サンプルの作成。
5.4.2.方法の特異性及び感度。
Claims (19)
- 65℃のDenhardt液中6×SSC中で、チフス菌(Salmonella Typhi)Ty2株由来のヌクレオチド鎖(I)を含む2kbのSacIフラグメントとハイブリダイズし得ることを特徴とする請求項1に記載の単離された核酸。
- 約200乃至500ヌクレオチドから成るプローブとして使用される請求項1乃至3のいずれかに記載の単離された核酸。
- 約10乃至30ヌクレオチドから成るプライマーとして使用される請求項1乃至3のいずれかに記載の単離された核酸。
- サルモネラ属の細菌を含む可能性がある生物サンプル中の当該細菌の存在をin vitroで検出する方法であって、a)65℃のDenhardt液中6×SSC中で当該サンプルと請求項1乃至4のいずれか1項に記載の核酸を接触させる工程、およびb)当該核酸と生物サンプル中の検出すべき核酸配列との間で形成されたハイブリダイゼーション複合体を検出する工程を含むことを特徴とする前記方法。
- 工程a)の前にサンプルを培養することを特徴とする請求項6に記載の方法。
- 工程a)の前に、請求項5に記載の核酸からなるプライマー対を用いて検出すべき核酸配列のコピー数を増幅することを特徴とする請求項6または7に記載の方法。
- 検出すべき核酸を増幅する工程が、
1)生物サンプル中に存在する可能性があるサルモネラ属の細菌のゲノムから検出すべき核酸を抽出する工程、および
2)‐ 工程1)において抽出された二本鎖核酸を変性させて一本鎖核酸を得る工程、
‐ 上記変性工程で得られた核酸鎖を請求項5に記載の核酸から成るプライマー対と接触させて、当該プライマーが当該核酸鎖にハイブリダイズすることを可能とする工程、および
‐ DNAポリメラーゼおよび適当な量の4種類のヌクレオシド三リン酸(dNTP)の存在下でプライマーがハイブリダイズされる鎖に相補的なDNAを形成し、前記変性段階よりも多数の検出すべき二重鎖核酸を形成する工程を含む増幅サイクルを行う工程
を含み、生物サンプル中に当該核酸が存在する場合には当該核酸が検出できる十分な量で検出されるようにこのサイクルを所定回数反復することを特徴とする請求項8に記載の方法。 - 抽出された核酸がRNAの形態である場合には、工程1)が逆転写酵素を用いて当該核酸を処理する工程を含む請求項9に記載の方法。
- サルモネラ属の細菌を含む可能性がある生物サンプル中の当該細菌の存在を検出するためのキットであって、
‐ 少なくとも一対の請求項5に記載の核酸から成るプライマー、および
‐ 検出される核酸とハイブリダイズすることが可能な、標識されていてもよい請求項1乃至4のいずれかに記載の1または2以上の核酸を含むことを特徴とする前記キット。 - 当該生物サンプルを培養するのに適した培地を更に含む請求項11に記載のキット。
- 増幅サイクルを実施するのに適した試薬、特にDNAポリメラーゼおよび適当な量の4種類のヌクレオシド三リン酸を更に含む請求項11または12に記載のキット。
- 前記プローブと検出すべき核酸配列とのハイブリダイゼーション反応を実施するために適当な試薬を更に含む請求項10乃至13のいずれかに記載のキット。
- 当該ベクターの複製に必要な部位のうちの1つの中に、請求項1乃至4のいずれか1項に記載の核酸の少なくとも1つを含む組換えベクター。
- 請求項1乃至4のいずれか1項に記載の核酸の前に、その制御下に前記単離された核酸の転写が可能となるプロモーターが存在する請求項15に記載の組換えベクター。
- 請求項1乃至4のいずれか1項に記載の核酸の後に転写終結シグナルをコードする配列が存在することを特徴とする請求項16に記載の組換え核酸。
- 前記プロモーターが誘導可能なプロモーターである請求項16または17に記載の組換えベクター。
- 前記ベクターがプラスミド、コスミドまたはファージである請求項15乃至18のいずれかに記載の組換えベクター。
Applications Claiming Priority (1)
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FR9008852A FR2664614B1 (fr) | 1990-07-11 | 1990-07-11 | Sequences nucleiques issues du genome de salmonella typhi, et leurs utilisations notamment pour le diagnostic in vitro de la presence de bacteries du genre salmonella dans les produits alimentaires. |
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JP51278691A Division JP4142093B2 (ja) | 1990-07-11 | 1991-07-11 | Salmonella Typhiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のin vitro診断のためのその使用 |
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JP51278691A Expired - Lifetime JP4142093B2 (ja) | 1990-07-11 | 1991-07-11 | Salmonella Typhiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のin vitro診断のためのその使用 |
JP2008098986A Pending JP2008220376A (ja) | 1990-07-11 | 2008-04-07 | SalmonellaTyphiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のi0nvitro診断のためのその使用 |
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JP51278691A Expired - Lifetime JP4142093B2 (ja) | 1990-07-11 | 1991-07-11 | Salmonella Typhiのゲノムに由来する核酸配列、及び特に食料品中におけるサルモネラ属の細菌の存在のin vitro診断のためのその使用 |
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US (4) | US5618666A (ja) |
EP (2) | EP0538353B1 (ja) |
JP (2) | JP4142093B2 (ja) |
AT (2) | ATE386120T1 (ja) |
CA (2) | CA2467801C (ja) |
DE (2) | DE69133590T2 (ja) |
DK (2) | DK0719861T3 (ja) |
ES (2) | ES2302329T3 (ja) |
FR (1) | FR2664614B1 (ja) |
GR (1) | GR3020941T3 (ja) |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2664614B1 (fr) * | 1990-07-11 | 1992-10-16 | Pasteur Institut | Sequences nucleiques issues du genome de salmonella typhi, et leurs utilisations notamment pour le diagnostic in vitro de la presence de bacteries du genre salmonella dans les produits alimentaires. |
GB9207069D0 (en) * | 1992-03-31 | 1992-05-13 | Mini Agriculture & Fisheries | Method of testing for salmonella |
CA2161405A1 (en) * | 1993-04-26 | 1994-11-10 | James L. Doran | Methods and compositions for detection of salmonella |
GB9312508D0 (en) * | 1993-06-17 | 1993-08-04 | Bioteknologisk Inst | Compounds |
US5705332A (en) * | 1994-04-25 | 1998-01-06 | University Of Hawaii | Detection and identification of Salmonella and Shigella |
NZ502020A (en) | 1994-12-09 | 2001-06-29 | Imp College Innovations Ltd | Identification of virulence gene cluster from Salmonella typhimurium called virulence gene cluster 2 ( VGC2 ) |
FR2729392B1 (fr) * | 1995-01-16 | 1997-03-28 | Pasteur Institut | Oligonucleotides pour la detection de salmonella |
ATE486940T1 (de) * | 1998-09-04 | 2010-11-15 | Emergent Product Dev Uk Ltd | Abgeschwächte salmonella sp12 mutante als antigen-träger. |
US6165721A (en) * | 1999-04-12 | 2000-12-26 | Becton Dickinson And Company | Amplification and detection of Salmonella spp |
GB9910812D0 (en) | 1999-05-10 | 1999-07-07 | Microscience Ltd | Vaccine composition |
CA2451498A1 (en) * | 2001-06-22 | 2003-01-03 | Marshfield Clinic | Methods and oligonucleotides for the detection of salmonella sp., e. coli o157:h7, and listeria monocytogenes |
US6696254B2 (en) * | 2001-11-21 | 2004-02-24 | Kimberly-Clark Worldwide, Inc. | Detection and identification of enteric bacteria |
WO2005030027A2 (en) * | 2003-04-29 | 2005-04-07 | The Cleveland Clinic Foundation | Salmonella detection identification |
US20060246463A1 (en) * | 2005-04-20 | 2006-11-02 | Vevea Dirk N | Methods and oligonucleotides for the detection of Salmonella SP., E coli 0157:H7, and Listeria monocytogenes |
US20060240442A1 (en) * | 2005-04-20 | 2006-10-26 | Vevea Dirk N | Methods and oligonucleotides for the detection of Salmonella SP., E coli 0157:H7, and Listeria monocytogenes |
US8703153B2 (en) | 2008-06-16 | 2014-04-22 | Prokarium Ltd. | Salmonella vectored vaccines against Chlamydia and methods of use |
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US4689295A (en) * | 1983-01-20 | 1987-08-25 | Integrated Genetics, Inc. | Test for Salmonella |
US5055394A (en) * | 1983-10-13 | 1991-10-08 | The United States Of America As Represented By The Secretary Of The Army | Nucleic acid probe and method for the rapid detection of typhoid fever bacteria |
US4965188A (en) * | 1986-08-22 | 1990-10-23 | Cetus Corporation | Process for amplifying, detecting, and/or cloning nucleic acid sequences using a thermostable enzyme |
JPH0638759B2 (ja) * | 1988-07-29 | 1994-05-25 | 株式会社島津製作所 | サルモネラ菌検査に用いるdnaプローブ及びそれを用いたサルモネラ菌の検出法 |
CA2009708A1 (en) * | 1989-02-13 | 1990-08-13 | Jane D. Madonna | Nucleic acid probe for the detection of salmonella human pathogens |
FR2664614B1 (fr) * | 1990-07-11 | 1992-10-16 | Pasteur Institut | Sequences nucleiques issues du genome de salmonella typhi, et leurs utilisations notamment pour le diagnostic in vitro de la presence de bacteries du genre salmonella dans les produits alimentaires. |
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Also Published As
Publication number | Publication date |
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EP0538353B1 (fr) | 1996-06-12 |
DE69133590D1 (de) | 2008-03-27 |
EP0719861A1 (fr) | 1996-07-03 |
CA2467801C (fr) | 2008-09-16 |
DE69120272T2 (de) | 1997-01-23 |
US5681716A (en) | 1997-10-28 |
CA2087006A1 (fr) | 1992-01-12 |
CA2467801A1 (fr) | 1992-01-23 |
JP4142093B2 (ja) | 2008-08-27 |
ATE386120T1 (de) | 2008-03-15 |
ES2302329T3 (es) | 2008-07-01 |
US5989841A (en) | 1999-11-23 |
EP0719861B1 (fr) | 2008-02-13 |
FR2664614B1 (fr) | 1992-10-16 |
FR2664614A1 (fr) | 1992-01-17 |
GR3020941T3 (en) | 1996-12-31 |
DE69133590T2 (de) | 2009-02-05 |
ES2089219T3 (es) | 1996-10-01 |
DE69120272D1 (de) | 1996-07-18 |
US5618666A (en) | 1997-04-08 |
WO1992001056A1 (fr) | 1992-01-23 |
US5804378A (en) | 1998-09-08 |
CA2087006C (fr) | 2004-09-07 |
DK0719861T3 (da) | 2008-06-02 |
EP0538353A1 (fr) | 1993-04-28 |
ATE139262T1 (de) | 1996-06-15 |
JPH05508773A (ja) | 1993-12-09 |
DK0538353T3 (da) | 1996-10-14 |
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