지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.3
- 수록면
- 351 - 361 (11page)
- DOI
- 10.14348/molcells.2018.2195
이용수
초록· 키워드
오류제보하기
Sucrose is a crucial compound for the growth and development of plants, and the regulation of multiple genes depends on the amount of soluble sugars present. Sucrose acts as a signaling molecule that regulates a proton-sucrose symporter, with its sensor being the sucrose transporter. Flavonoid and anthocyanin biosynthesis are regulated by sucrose, and sucrose signaling can affect flavonoid and anthocyanin accumulation. In the present study, we found a Myb tran-scription factor affecting accumulation of anthocyanin. AtMyb56 showed an increase in its expression in response to sucrose treatment. Under normal conditions, anthocyanin accumulation was similar between Col-0 (wild type) and atmyb56 mutant seedlings; however, under sucrose treatment, the level of anthocyanin accumulation was lower in the atmyb56 mutant plants than in Col-0 plants. Preliminary microarray analysis led to the investigation of the expression of one candidate gene, AtGPT2, in the atmyb56 mutant. The phosphate translocator, which is a plastidial phosphate antiporter family, catalyzes the import of glucose-6-phosphate (G-6-P) into the chloroplast. AtGPT2 gene expression was altered in atmyb56 seedlings in a sucrose-dependent manner in response to circadian cycle. Furthermore, the lack of AtMyb56 resulted in altered accumulation of maltose in a sucrose-dependent manner. Therefore, the sucrose responsive AtMyb56 regulates AtGPT2 gene expression in a sucrose-dependent manner to modulate maltose and anthocyanin accumulations in response to the circadian cycle.
목차
등록된 정보가 없습니다.
참고문헌 (57)
참고문헌 신청
Borevitz, J.O. / 2000 / Activation tagging identifies a conserved MYB regulator of phenylpropanoid biosynthesis / Plant Cell 12:2383~2394
Clough, S.J. / 1998 / Floral dip: a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J. 16:735~743
Curtis, M.D. / 2003 / A gateway cloning vector set for high-throughput functional analysis of genes in planta / Plant Physiol. 133:462~469
Dai, Z.W. / 2014 / Long-term in vitro culture of grape berries and its application to assess the effects of sugar supply on anthocyanin accumulation / J. Exp. Bot. 65:4665~4677
Devaiah, B.N. / 2009 / Phosphate starvation responses and gibberellic acid biosynthesis are regulated by the MYB62 transcription factor in Arabidopsis / Mol. Plant 2:43~58
Clough, S.J. / 1998 / Floral dip: a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J. 16:735~743
Curtis, M.D. / 2003 / A gateway cloning vector set for high-throughput functional analysis of genes in planta / Plant Physiol. 133:462~469
Dai, Z.W. / 2014 / Long-term in vitro culture of grape berries and its application to assess the effects of sugar supply on anthocyanin accumulation / J. Exp. Bot. 65:4665~4677
Devaiah, B.N. / 2009 / Phosphate starvation responses and gibberellic acid biosynthesis are regulated by the MYB62 transcription factor in Arabidopsis / Mol. Plant 2:43~58
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