The myb transcription factor MdMYB6 suppresses anthocyanin biosynthesis in transgenic Arabidopsis

文献类型: 外文期刊

第一作者: Gao, Jian-Jie

作者: Gao, Jian-Jie;Shen, Xue-Fang;Peng, Ri-He;Xiong, Ai-Sheng;Zhu, Bo;Yao, Quan-Hong;Gao, Jian-Jie;Shen, Xue-Fang;Zhang, Zhen;Xu, Jing;Zheng, Jian-Li;Yao, Quan-Hong;Yao, Quan-Hong

作者机构:

关键词: sucrose: 57-50-1;anthocyanin: synthesis;accumulation;R2R3-Myb protein: transcription factor

期刊名称:PLANT CELL TISSUE AND ORGAN CULTURE ( 影响因子:2.711; 五年影响因子:2.73 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The R2R3-Myb proteins comprise a large family of plant transcription factors that regulate the expression of multiple drought-responsive and cold-responsive genes by binding special cis-elements at the promoter. There have been previous studies in transgenic plant over-expression of the myb protein. In this article, we analyzed the function of MdMYB6, an R2R3-type Myb transcription factor from apples (Malus x domestica), in transgenic Arabidopsis plants. In contrast to wild type plants, these transgenic lines accumulated less anthocyanin. Equimolar concentrations of sorbitol did not alter the anthocyanin accumulation. Real-time polymerase chain reaction (PCR) indicated that MdMYB6 over-expression suppressed enzymes involved in anthocyanin biosynthesis and some Arabidopsis basic helix-loop-helix (bHLH) genes. The MdMYB6 transcription faction may be an important repressor of anthocyanin biosynthesis in plants.

分类号: Q942

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