KR100844314B1 - 병저항성 식물체에서 자스몬산 생합성에 관여하는 유전자 dgl - Google Patents
병저항성 식물체에서 자스몬산 생합성에 관여하는 유전자 dgl Download PDFInfo
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- KR100844314B1 KR100844314B1 KR1020060062552A KR20060062552A KR100844314B1 KR 100844314 B1 KR100844314 B1 KR 100844314B1 KR 1020060062552 A KR1020060062552 A KR 1020060062552A KR 20060062552 A KR20060062552 A KR 20060062552A KR 100844314 B1 KR100844314 B1 KR 100844314B1
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- C12N15/8241—Phenotypically and genetically modified plants via recombinant DNA technology
- C12N15/8261—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield
- C12N15/8271—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance
- C12N15/8279—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance for biotic stress resistance, pathogen resistance, disease resistance
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Abstract
Description
본 발명은 병저항성 식물체에서 자스몬산 생합성에 관여하는 유전자 DGL(서열번호24)을 포함한다.
본 발명은 DGL이 식물호르몬 JA (jasmonic acid)의 생합성에 관련된 것으로 알려진 인지질분해효소 A (phospholipase A) 단백질 DAD1 (Defective in Anther Dehiscence 1, 서열번호25)과 아미노산 서열상으로 35.7% 유사성을 보이는 것을 특징으로 하는 유전자를 포함한다.
At1g05800 유전자의 과발현이 실제로 dgl-D 돌연변이의 원인임을 증명하기 위하여 At1g05800 유전자의 단백질 암호화 부위를 35S 프로모터를 가지고 있는 binary vector pCAMBIA1303-BS linker에 삽입한 재조합 DNA를 제작 후 애기장대에 형질전환하였다. 그 결과로 얻어진 35S::DGL 형질전환체는 dgl-D 식물체와 동일한 표현형을 나타냄을 알 수 있었고 (그림 5), 이를 통하여 dgl-D 돌연변이의 원인이 At1g05800 유전자의 과발현에 의한 것으로 결론 내릴 수 있었다. 이 후 본 연구진은 At1g05800 유전자를 DGL(DONGLE, 서열번호24) 유전자로 명명하기로 하였다.
Claims (4)
- 병저항성 식물체에서 자스몬산 생합성에 관여하는 유전자 DGL(서열번호24).
- 제1항에 있어서, DGL은 식물호르몬 JA (jasmonic acid)의 생합성에 관련된 것으로 알려진 인지질분해효소 A (phospholipase A) 단백질 DAD1 (Defective in Anther Dehiscence 1, 서열번호25)과 아미노산 서열상으로 35.7% 유사성을 보이는 것을 특징으로 하는 유전자.
- DGL 유전자가 과발현되어 자스몬산과 메틸자스몬산의 생합성량이 증가하여 식물체의 병충해 저항성이 증가한 특징을 갖는 조직배양에 의해 무성번식되는 dgl-D 애기장대 식물체.
- 제3항에 있어서, JA 생합성과 관련하여 DGL 유전자가 과발현되어 DGL 단백질의 하위 조절 단계 유전자인 VSP1과 Thi2.1의 과발현을 유도하는 특징을 갖는 DGL 유전자가 과발현되는 조직배양에 의해 무성번식되는 dgl-D 애기장대 식물체.
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KR1020060062552A KR100844314B1 (ko) | 2006-07-04 | 2006-07-04 | 병저항성 식물체에서 자스몬산 생합성에 관여하는 유전자 dgl |
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KR100844314B1 true KR100844314B1 (ko) | 2008-07-07 |
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KR20010111723A (ko) * | 2000-06-13 | 2001-12-20 | 최양도 | 자스몬산 메칠화 효소 유전자 및 이를 이용하여 병충해 및스트레스 저항성 식물체를 제조하는 방법 |
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KR20010111723A (ko) * | 2000-06-13 | 2001-12-20 | 최양도 | 자스몬산 메칠화 효소 유전자 및 이를 이용하여 병충해 및스트레스 저항성 식물체를 제조하는 방법 |
Non-Patent Citations (3)
Title |
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Development. 2005 Sep;132(18):4107-18. Epub 2005 Aug 17 |
Plant Cell. 2000 Jul;12(7):1041-61 |
Plant Cell. 2001 Oct;13(10):2191-209 |
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