An R2R3-MYB transcription factor CmMYB21 represses anthocyanin biosynthesis in color fading petals of chrysanthemum

Yiguang Wang,Li-Jie Zhou,Yuxi Wang,Zhiqiang Geng,Baoqing Ding,Jiafu Jiang,Sumei Chen,Fadi Chen

Scientia Horticulturae（2022）

引用 22|浏览16

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摘要

•CmMYB21 is an R2R3-MYB transcription factor belonging to subgroup 19.•The expression levels of CmMYB21 were up-regulated in color fading petals.•CmMYB21 represses CmDFR expression by binding to its promoter.•Overexpression of CmMYB21 suppressed the floral coloration and anthocyanin accumulation in tobacco petals.

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关键词

Anthocyanins,Color fading,Chrysanthemum,R2R3-MYB,CmMYB21

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