배추 SHORT VEGETATIVE PHASE 유전자 발현이 배추 개화시기에 미치는 영향

• 영문명: Effects of Overexpression of Brassica Rapa SHORT VEGETATIVE PHASE Gene on Flowering Time
• 발행기관: 한국육종학회
• 저자명: 홍준기(Joon Ki Hong) 박상렬(Sang-Ryeol Park) 서은정(Eun Jung Suh) 박지희(Jihee Park) 이연희(Yeon-Hee Lee)
• 간행물 정보: 『한국육종학회지』Vol.52 No.3, 244~251쪽, 전체 8쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2020.09.30

영문 초록

The SHORT VEGETATIVE PHASE (SVP) gene encodes a MADS-box gene family of transcription factors that repress floral transition. To explore the function of the Brassica rapa SVP (BrSVP) gene during the flowering time of this species, a construct containing BrSVP under the control of the cauliflower mosaic virus 35S promoter was introduced into B. rapa via Agrobacterium-mediated transformation. The resulting transgenic plants showed delayed flowering time, and RT-PCR analyses further revealed that BrSVP repressed the expression of the floral integrator genes AGL20, AGL24, and FT during vernalization. Our data indicated that BrSVP acts as a negative regulator in the flowering time of B. rapa and that it may therefore be a useful genetic source for crop improvement with respect to flowering time regulation.

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키워드

Agrobacterium Floral transition Flowering time SHORT VEGETATIVE PHASE Transformation Transcription factor