JP4189011B2 - 植物ホルモンジャスモン酸およびエチレン生合成阻害関連シロイヌナズナAtLEJ1遺伝子を用いた、雄性不稔植物体の製造方法、植物体に雄性不稔を誘発する方法、および該遺伝子が過多発現された植物体にジャスモン酸またはACCを処理して稔性を回復させる方法 - Google Patents
植物ホルモンジャスモン酸およびエチレン生合成阻害関連シロイヌナズナAtLEJ1遺伝子を用いた、雄性不稔植物体の製造方法、植物体に雄性不稔を誘発する方法、および該遺伝子が過多発現された植物体にジャスモン酸またはACCを処理して稔性を回復させる方法 Download PDFInfo
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- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/82—Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
- C12N15/8241—Phenotypically and genetically modified plants via recombinant DNA technology
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- C12N15/8289—Male sterility
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Description
両端にXbaI(5’末端)とBglII部位(3’末端)を含むプライマー(表1)を用いてAtLEJ1(At4g34120)遺伝子のORF(open reading frame)をシロイヌナズナ(Arabidopsis thaliana ecotype Columbia)の総RNAから製作されたcDNAプールでPCR技法によって増幅した。
実施例1で製作されたベクターをアグロバクテリウム(Agrobacterium GV3101)に冷解凍(Freeze−thaw)方法(An, G. 1987, Methods in Enzymology)によって導入した。形質転換されたアグロバクテリウムは、花浸漬方法(flower dipping, Clough and Bent, 1998, The Plant Journal)によってシロイヌナズナを形質転換させた。形質転換させたシロイヌナズナを3世代にわたって選抜してT3ラインを確保した。
既存の幾つかの論文から、シロイヌナズナ植物でジャスモン酸の生合成が阻害されると、雄蕊の葯の裂開が遅くなることにより不稔が引き起こされると報告されたことがある。また、エチレンは、シロイヌナズナの雄蕊の葯裂開過程中における明確な機能は報告されたことがないが、タバコの雄蕊の葯裂開過程で作用すると報告されたことがあるため、このような既存の研究に基づき、本実験においても、AtLEJ1過多発現植物体の花を採取し、総ジャスモン酸とエチレンの含量をガスクロマトグラフィーを用いて測定した。図8に示すように、総ジャスモン酸の場合、AtLEJ1過多発現植物体では野生型植物体に比べて30%減少することを確認した。また、エチレンの場合、AtLEJ1過多発現の際には正常時より約70%が減少することを確認した(図9)。したがって、本発明に係る遺伝子AtLEJ1はジャスモン酸およびエチレンの生合成を阻害することにより、裂開不能雄性不稔を誘導することが分かった。
本発明に係る遺伝子AtLEJ1過多発現植物体は、雄性不稔を示しながら花器内のジャスモン酸とエチレンの合成量が少ないため、外部から人為的にジャスモン酸またはACC(1-aminocyclopropane-1-carboxylate、エチレンの前駆体)を処理したときに稔性が回復するかを確認する実験を行った。
Claims (5)
- 配列番号1の塩基配列を有するシロイヌナズナから単離された雄性不稔誘発遺伝子(AtLEJ1)を植物体内で過多発現させることによって、該植物体に雄性不稔を誘発する方法。
- 前記遺伝子は、ジャスモン酸またはエチレンの生合成を阻害して雄性不稔を誘発するものである、請求項1に記載の方法。
- 前記遺伝子が組み換えベクターに含まれており、該ベクターを前記植物体に導入することにより、当該遺伝子を前記植物体内で過多発現させる、請求項1または2に記載の方法。
- 請求項1〜3に記載の方法を用いた、雄性不稔植物体の製造方法。
- 配列番号1の塩基配列を有するシロイヌナズナから単離された雄性不稔誘発遺伝子(AtLEJ1)が過多発現された植物体にジャスモン酸またはACC(1-aminocyclopropane-1-carboxylate)を処理して稔性を回復させる方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060066605A KR100741255B1 (ko) | 2006-07-14 | 2006-07-14 | 식물 호르몬 자스몬산 및 에틸렌 생합성 저해 관련애기장대 AtLEJ1 유전자 및 이를 이용한 웅성불임식물체 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008017833A JP2008017833A (ja) | 2008-01-31 |
| JP4189011B2 true JP4189011B2 (ja) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007108025A Expired - Fee Related JP4189011B2 (ja) | 2006-07-14 | 2007-04-17 | 植物ホルモンジャスモン酸およびエチレン生合成阻害関連シロイヌナズナAtLEJ1遺伝子を用いた、雄性不稔植物体の製造方法、植物体に雄性不稔を誘発する方法、および該遺伝子が過多発現された植物体にジャスモン酸またはACCを処理して稔性を回復させる方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7781644B2 (ja) |
| JP (1) | JP4189011B2 (ja) |
| KR (1) | KR100741255B1 (ja) |
| WO (1) | WO2008007854A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100910924B1 (ko) | 2007-09-13 | 2009-08-05 | 고려대학교 산학협력단 | 식물 호르몬 자스몬산 생합성 저해 관련 애기장대AtCDCP2 유전자 및 이를 이용한 웅성불임 식물체제조방법 |
| EP2612918A1 (en) | 2012-01-06 | 2013-07-10 | BASF Plant Science Company GmbH | In planta recombination |
| KR101661253B1 (ko) * | 2013-12-16 | 2016-09-30 | 세종대학교산학협력단 | LHT1 유전자의 ACC(1-Aminocyclopropane-1-Carboxylic acid) 수송체로서의 신규한 용도 |
| CN108077063A (zh) * | 2018-02-02 | 2018-05-29 | 贵州省油菜研究所 | 一种拟南芥双元过表达株系构建的技术方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5688994A (en) | 1992-12-16 | 1994-07-04 | University Of Melbourne, The | Developmental regulation in anther tissue of plants |
| GB9526218D0 (en) | 1995-12-21 | 1996-02-21 | Gene Shears Pty Ltd | DNA Sequences |
| US6476297B1 (en) | 1998-07-10 | 2002-11-05 | The Research Foundation Of State University Of Ny | Meiosis promoter |
| JP3138452B2 (ja) | 1999-04-22 | 2001-02-26 | 株式会社採種実用技術研究所 | 葯の裂開に関与する遺伝子 |
| GB0008363D0 (en) | 2000-04-06 | 2000-05-24 | Univ Nottingham | Genetic material |
| KR20030045732A (ko) | 2003-05-09 | 2003-06-11 | 재단법인서울대학교산학협력재단 | 형질전환 웅성 불임 식물을 위한 고추 내세포질웅성불임-관련 유전자의 발현 |
| KR100537955B1 (ko) * | 2003-10-29 | 2005-12-20 | 학교법인고려중앙학원 | 꽃가루 특이적 유전자 발현 프로모터 |
| KR101104420B1 (ko) * | 2004-07-15 | 2012-01-12 | 세종대학교산학협력단 | 꽃가루 특이적 유전자 발현을 유도하는 애기장대 프로모터 |
| KR100604195B1 (ko) * | 2004-09-02 | 2006-07-25 | 고려대학교 산학협력단 | 식물 노화에 특이적으로 발현되는 유전자 및 그 유전자의프로모터 |
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- 2007-03-28 WO PCT/KR2007/001524 patent/WO2008007854A1/en not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2008007854A1 (en) | 2008-01-17 |
| KR100741255B1 (ko) | 2007-07-19 |
| JP2008017833A (ja) | 2008-01-31 |
| US20080120735A1 (en) | 2008-05-22 |
| US7781644B2 (en) | 2010-08-24 |
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