JP6502320B2 - ハイブリッドアブラナ属植物およびその生産方法 - Google Patents
ハイブリッドアブラナ属植物およびその生産方法 Download PDFInfo
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- JP6502320B2 JP6502320B2 JP2016508151A JP2016508151A JP6502320B2 JP 6502320 B2 JP6502320 B2 JP 6502320B2 JP 2016508151 A JP2016508151 A JP 2016508151A JP 2016508151 A JP2016508151 A JP 2016508151A JP 6502320 B2 JP6502320 B2 JP 6502320B2
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Description
本発明は、ナタネ植物、特に、ブラシカ・ナプスおよびブラシカ・ジュンセアにおける雄性不稔イベントMS−B2と稔性回復イベントRF−BN1の新規な組合せを記載する。
・雄性不稔遺伝子を含んでなるエリートイベントMS−B2を含んでなる雄性不稔母本ナタネ植物を準備する工程;
・稔性回復遺伝子を、好ましくはホモ接合型で含んでなるエリートイベントRF−BN1を含んでなる雄性稔性父本ナタネ植物を準備する工程;
・父本ナタネ植物からの花粉を母本ナタネ植物に受粉させる工程;および
・前記母本植物からハイブリッド種子を採種する工程
を含んでなる方法が提供される。
a)導入遺伝子の存在が、農業生産力または商業価値に関するものなどの植物の他の所望の特徴を損なわないこと;
b)そのイベントが十分に定義された分子の立体配置により特徴付けられ、それが安定に受け継がれ、かつ特性管理(identity control)のための適当な診断ツールが開発可能であること;
c)導入遺伝子内の1または複数の目的遺伝子が、そのイベントのヘテロ接合(または半接合)状態でもホモ接合状態でも、そのイベントを有する植物が通常の農学的使用で曝される可能性のある環境条件の範囲において、商業的に許容可能なレベルで、適性、適当で安定な空間的および時間的表現型発現を示すこと。
a)稔性回復表現型、すなわち、雄性稔性の十分な表現型発現;および
b)前記2つのイベントを有する植物が通常の農学的使用で曝される可能性のある環境条件の範囲で、商業的に許容可能なレベルでの表現型発現。
配列番号1: 5’隣接配列MS−B2
配列番号2: 3’隣接配列MS−B2
配列番号3: MS−B2の検出用のオリゴヌクレオチドプライマー1
配列番号4: MS−B2の検出用のオリゴヌクレオチドプライマー2
配列番号5: 5’隣接配列RF−BN1
配列番号6: 3’隣接配列RF−BN1
配列番号7: RF−BN1の検出用のオリゴヌクレオチドプライマー1
配列番号8: RF−BN1の検出用のオリゴヌクレオチドプライマー2
配列番号9: プラスミドpTHW118
配列番号10: プラスミドpTCO113
本発明の上記説明は、例示であることを意図し、限定されない。
1.1.エリートイベントMS−B2
エリートイベントMS−B2は、タペータム特異的プロモーターの制御下にバルナーゼ遺伝子を含んでなるキメラDNAを用いたB.ナパス植物のアグロバクテリウムを介した形質転換により作出した(pTCO113)。
5’隣接領域をおよそ415bpの断片として増幅し、その全配列を決定した(配列番号1)。ヌクレオチド1〜234の間の配列は植物DNAに相当し、ヌクレオチド235〜415の間の配列はT−DNAに相当する。
3’隣接領域をおよそ416bpの断片として増幅し、その全配列を決定した(配列番号2)。ヌクレオチド1〜193の間の配列はT−DNAに相当し、ヌクレオチド194〜416の間の配列は植物DNAに相当する。
WO01/31042に記載にされるように、MS−B2を含んでなる生物材料を、そこに記載されているPCR同定プロトコールを用いて同定することができる。
B01: 5’-gAA.ATC.CAT.gTA.AAg.CAg.CAg.gg-3’(配列番号3)
(標的:植物DNA)
B02: 5’-gCT.Tgg.ACT.ATA.ATA.CTT.gAC-3’(配列番号4)
(標的:T−DNA)
プライマー対B01−B02に関して:183bp(MS−B2エリートイベント)
である。
エリートイベントRF−BN1は、TA29プロモーターの制御下にバルスター遺伝子を含んでなるキメラDNAを用いたB.ナパス植物のアグロバクテリウムを介した形質転換により作出した(pTHW118)。
5’隣接領域をおよそ1077bpの断片として増幅し、その全配列を決定した(配列番号5)。ヌクレオチド1と881の間の配列は植物DNAに相当し、ヌクレオチド882と1077の間の配列はT−DNAに相当する。
3’隣接領域をおよそ1500bpの断片として増幅し、その全配列を決定した(配列番号6)。のヌクレオチド1〜166間の配列はT−DNAに相当し、ヌクレオチド167〜1441の間の配列は植物DNAに相当する。
WO01/41558に記載されるように、RF−BN1を含んでなる生物材料を、そこに記載されているPCR同定プロトコールを用いて同定することができる。
BNA03: 5’-TCA.TCT.ACg.gCA.ATg.TAC.CAg-3’(配列番号7)
(標的:導入遺伝子)
BNA04: 5’-Tgg.ACC.CCT.Agg.TAA.ATg.CC-3’(配列番号8)
(標的:植物DNA)
プライマー対BNA03−BNA04に関して:215bp(RF−BN1エリートイベント)
である。
RF−BN1遺伝子座がブラシカ・ナプスのAゲノム上に位置するかCゲノム上に位置するかを決定するために、アブラナ属ゲノム上でRF−BN1が既知のマーカーと一緒に受け継がれるかまたは連鎖しているかどうかを、RF−BN1導入遺伝子をホモ接合状態で含むドナー系統と導入遺伝子を含まない反復親の間の交配に由来する4つの異なる分離B.ナパスBC1集団において分析した。AFLP法を用いて遺伝子マーカーを作出した。AFLP分析はVos et al. (1995, NAR 23:4407-4414、EP0534858およびUS6,045,994)から採用した。RF−BN1に連鎖したAFLPマーカーを同定するために、Michelmore et al. (1991, Proc. Natl. Acad. Sci. USA 88:9828-9823)に従って大量分離体分析(bulked segregant analysis)(BSA)を行った。
a)外来DNAの存在は、農業生産力または商業的価値に関するものなどの植物の他の所望の特徴を損なわなかった;
b)イベントは十分に定義された分子の立体配置を特徴とし、それは安定に受け継がれた;および
c)外来DNA中の1または複数の目的遺伝子は、そのイベントのヘテロ接合(または半接合)状態でもホモ接合状態でも、そのイベントを有する植物が通常の農学的使用で曝される可能性のある環境条件の範囲において、商業的に許容可能なレベルで、適性、適当で安定な空間的および時間的表現型発現を示した。さらに、これらの植物を野生型ブラシカ・ジュンセア種に比べた場合のそれらの農業的特徴および生産力に関して評価した。
MS−B2/RF−BN1イベントを含んでなるアブラナ属ナタネ植物に、同質遺伝子非トランスジェニック対照チェックならびに他の回復イベントを含んでなるMS−B2植物とともに圃場試験を行った。相対的収量データを下表にまとめる。
さらなる植物系統の圃場試験データも平均値、有意性などの計算のための分析に含めたことに留意されたい。
MS−B2/RF−BN1 B.ナパスハイブリッドの回復を確認し、同じ遺伝的背景のMS−BN1/RF−BN1ハイブリッドと比較して除草剤耐性および農業生産力を評価するために、圃場試験を5箇所(4反復/全区画)で行った。
1.ナタネ植物からハイブリッド種子を生産するための方法であって、
a.エリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)を含んでなる雄性不稔母本ナタネ植物を準備する工程;
b.エリートイベントRF−BN1(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)を好ましくはホモ接合型で含んでなる雄性稔性父本ナタネ植物を準備する工程;
c.前記父本ナタネ植物からの花粉を前記母本ナタネ植物に受粉させる工程;
d.前記母本植物からハイブリッド種子を採種する工程
を含んでなる、方法。
a.エリートイベントMS−B2を含んでなるB.ジュンセア植物とエリートイベントRF−BN1を含んでなるB.ジュンセア植物を間作すること;
b.植物を他家受粉させること;
c.エリートイベントMS−B2を含んでなるB.ジュンセア植物からの種子を採種すること
を含んでなる、方法。
a.エリートイベントMS−B2を含んでなるB.ナパス植物とエリートイベントRF−BN1を含んでなるB.ナパス植物を間作すること;
b.植物を他家受粉させること;
c.エリートイベントMS−B2を含んでなるB.ナパス植物から種子を採種すること
を含んでなる、方法。
Claims (14)
- ナタネ植物からハイブリッド種子を生産するための方法であって、
a.エリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)を含んでなる雄性不稔母本ナタネ植物を準備する工程;
b.エリートイベントRF−BN1(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)を含んでなる雄性稔性父本ナタネ植物を準備する工程;
c.前記父本ナタネ植物からの花粉を前記母本ナタネ植物に受粉させる工程;
d.前記母本植物からハイブリッド種子を採種する工程
を含んでなる、方法。 - 前記雄性稔性父本ナタネ植物が、エリートイベントRF−BN1をホモ接合型で含んでなる、請求項1に記載の方法。
- 前記ナタネ植物がブラシカ・ナプス種またはブラシカ・ジュンセア種に属する、請求項1または2に記載の方法。
- その核ゲノム内に少なくとも1コピーのエリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)と、少なくとも1コピーのエリートイベントRF−BN1(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)とを含んでなる、ナタネ植物。
- 前記ナタネ植物がブラシカ・ナプス種またはブラシカ・ジュンセア種に属する、請求項4に記載のナタネ植物。
- 請求項4のナタネ植物の細胞または組織または種子。
- ハイブリッド種子の生産において使用するためのナタネ植物のペアであって、前記ナタネ植物の一方がエリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)を含んでなり、前記ナタネ植物の他方がエリートイベントRF−BN1(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)を含んでなる、ペア。
- 請求項4に記載のナタネ植物のゲノムDNA。
- エリートイベントRF−BN1(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)を含んでなる、ブラシカ・ジュンセア植物または植物細胞。
- エリートイベントRF−BN1を含んでなる請求項9に記載のブラシカ・ジュンセア植物からの種子(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA−730として寄託されている)。
- エリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)をさらに含んでなる、請求項9に記載の植物または細胞。
- トランスジェニックナタネ植物において種子収量を増大させるための、エリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)の使用。
- 前記ナタネ植物がブラシカ・ジュンセアである、請求項12に記載の使用。
- ナタネ植物の収量を増大させるための方法であって、エリートイベントMS−B2(前記エリートイベントを含んでなるリファレンス種子は、ATCCに寄託番号ATCC_PTA 2485またはATCC_PTA−850として寄託されている)を有する前記ナタネ植物を準備する工程を含んでなる、方法。
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WO2005003381A1 (en) | 2003-07-04 | 2005-01-13 | Johnson & Johnson Research Pty. Limited | Method for detection of alkylated cytosine in dna |
ATE442449T1 (de) * | 2003-07-07 | 2009-09-15 | Univ Delhi South Campus | Methode zur herstellung verbesserter fruchtbarkeitswiederherstellungslinien für sterile männliche transgene nutzpflanzen und eine dns-konstruktion zur benutzung in dieser methode |
AU2003271381B8 (en) * | 2003-12-24 | 2010-11-18 | BASF Agricultural Solutions Seed US LLC | Brassica plant resistant to the fungus Leptosphaeria maculans (blackleg) |
CN101016554B (zh) * | 2007-01-24 | 2011-07-27 | 中国农业科学院油料作物研究所 | 转基因油菜Rf3事件外源插入载体旁侧序列及其应用 |
DE102009001681A1 (de) * | 2009-03-20 | 2010-09-23 | Bayer Cropscience Ag | Verfahren zur verbesserten Nutzung des Produktionspotentials transgener Pflanzen |
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EP3560329A1 (en) * | 2011-05-02 | 2019-10-30 | Board of Regents of the University of Nebraska | Plants with useful traits and related methods |
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AU2014255731A1 (en) | 2015-10-22 |
EA036298B1 (ru) | 2020-10-23 |
CN105121651B (zh) | 2021-10-12 |
ZA201507369B (en) | 2019-10-30 |
US9920332B2 (en) | 2018-03-20 |
UA120252C2 (uk) | 2019-11-11 |
EA037658B1 (ru) | 2021-04-27 |
CN105121651A (zh) | 2015-12-02 |
LT2986727T (lt) | 2018-11-26 |
PL2986727T4 (pl) | 2019-07-31 |
CA2909731C (en) | 2020-09-29 |
PL2986727T3 (pl) | 2019-07-31 |
PT2986727T (pt) | 2018-11-16 |
EP2986727A1 (en) | 2016-02-24 |
DK2986727T3 (en) | 2018-11-26 |
CA2909731A1 (en) | 2014-10-23 |
CL2015002972A1 (es) | 2016-04-15 |
SI2986727T1 (sl) | 2019-04-30 |
CN113528451A (zh) | 2021-10-22 |
AR118610A2 (es) | 2021-10-20 |
EA201592011A1 (ru) | 2016-02-29 |
EP2986727B1 (en) | 2018-08-01 |
US20160068859A1 (en) | 2016-03-10 |
HUE044202T2 (hu) | 2019-10-28 |
ES2694131T3 (es) | 2018-12-18 |
JP2016520300A (ja) | 2016-07-14 |
WO2014170387A1 (en) | 2014-10-23 |
EA201890295A2 (ru) | 2018-06-29 |
AU2014255731B2 (en) | 2018-07-26 |
EA201890295A3 (ru) | 2018-10-31 |
CN113528451B (zh) | 2024-09-17 |
AR095880A1 (es) | 2015-11-18 |
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