KR102563324B1 - 식물 뿌리 내피 세포 분열 촉진 방법 - Google Patents
식물 뿌리 내피 세포 분열 촉진 방법 Download PDFInfo
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- KR102563324B1 KR102563324B1 KR1020200125173A KR20200125173A KR102563324B1 KR 102563324 B1 KR102563324 B1 KR 102563324B1 KR 1020200125173 A KR1020200125173 A KR 1020200125173A KR 20200125173 A KR20200125173 A KR 20200125173A KR 102563324 B1 KR102563324 B1 KR 102563324B1
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Abstract
Description
도 2는 EN7 또는 SCR 프로모터를 이용하여 뿌리 내피 세포 특이적으로 ΔARF5 유전자의 발현이 유도된 형질전환 식물에서, 내피 세포가 분열하여 내피 세포의 수가 증가하는 것을 나타낸다.
도 3은 EN7 프로모터를 이용하여 뿌리 내피 세포 특이적으로 ΔARF5 유전자의 발현이 유도된 형질전환 식물에서, 내피 세포에 옥신 반응이 유도된다는 것을 DR5::VENUS 식물을 통해 시각적으로 확인한 결과이다.
도 4는 EN7 프로모터를 이용하여 뿌리 내피 세포 특이적으로 ΔARF5 유전자의 발현이 유도된 형질전환 식물이 향상된 성장(dry weight)과 종자 생산량(total seed weight)를 가지는 것을 나타낸다.
Claims (11)
- 식물 뿌리 내피 세포에 옥신 반응을 유도하는 단계를 포함하는 식물 뿌리 내피 세포 분열 촉진 방법.
- 청구항 1에 있어서,
상기 옥신 반응을 유도하는 단계는 식물 뿌리 내피 세포에 옥신 반응을 유도하는 유전자를 발현시켜 수행되는, 식물 뿌리 내피 세포 분열 촉진 방법.
- 청구항 1에 있어서,
상기 옥신 반응을 유도하는 단계는 식물 뿌리 내피 세포에 ARF5(AUXIN RESPONSE FACTOR 5) 유전자를 발현시켜 수행되는, 식물 뿌리 내피 세포 분열 촉진 방법.
- 청구항 3에 있어서, 상기 ARF5 유전자는 AUX/IAA(auxin/indole-3-acetic acid) 단백질 결합 도메인의 기능이 저하 또는 상실되도록 상기 도메인의 서열 중 적어도 일부를 포함하지 않는, 식물 뿌리 내피 세포 분열 촉진 방법.
- 청구항 1에 있어서,
상기 옥신 반응을 유도하는 단계는, 식물체를 SCR(SCARECROW) 프로모터 또는 EN7(ENDODERMIS7) 프로모터; 및 이에 작동 가능하도록 연결된 ARF5 유전자;를 포함하는 벡터로 형질전환시켜 수행되는, 식물 뿌리 내피 세포 분열 촉진 방법.
- 청구항 1 내지 5 중 어느 한 항의 식물 뿌리 내피 세포 분열 촉진 방법을 포함하는 식물 생장 촉진 방법.
- 식물 뿌리 내피 세포에서의 옥신 반응 유도제를 포함하는 식물 생장 촉진용 조성물.
- 청구항 7에 있어서,
상기 옥신 반응 유도제는 옥신 반응을 유도하는 유전자가 도입된 벡터인, 식물 생장 촉진용 조성물.
- 청구항 8에 있어서,
상기 유전자는 ARF5(AUXIN RESPONSE FACTOR 5) 유전자인, 식물 생장 촉진용 조성물.
- 청구항 9에 있어서,
상기 ARF5 유전자는 AUX/IAA(auxin/indole-3-acetic acid) 단백질 결합 도메인의 기능이 저하 또는 상실되도록 상기 도메인의 서열 중 적어도 일부를 포함하지 않는, 식물 생장 촉진용 조성물.
- 청구항 7에 있어서,
상기 옥신 반응 유도제는 SCR(SCARECROW) 프로모터 또는 EN7(ENDODERMIS7) 프로모터; 및 이에 작동 가능하도록 연결된 ARF5 유전자;를 포함하는 벡터인, 식물 생장 촉진용 조성물.
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Barbara K. Mollera 외 8, Auxin response cell-autonomously controls ground tissue initiation in the early Arabidopsis embryo, PNAS, 2017년 개시* |
Si-Bei Li 외 3명, A Review of Auxin Response Factors(ARFs) in Plants, Frontiers in Plant Science, 2016년 개시, Volume7, Article47* |
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