The R2R3 MYB transcription factor PavMYB10.1 involves in anthocyanin biosynthesis and determines fruit skin colour in sweet cherry (Prunus avium L.)

文献类型： 外文期刊

第一作者： Jin, Wanmei

作者： Jin, Wanmei;Wang, Hua;Li, Maofu;Wang, Jing;Yang, Yuan;Zhang, Xiaoming;Yan, Guohua;Zhang, Hong;Liu, Jiashen;Zhang, Kaichun;Jin, Wanmei;Wang, Hua;Li, Maofu;Wang, Jing;Yang, Yuan;Zhang, Hong;Liu, Jiashen;Zhang, Xiaoming;Yan, Guohua;Zhang, Kaichun

作者机构：

关键词： Prunus avium;fruit skin colour;MYB regulation;alleles;colour traits;inheritance

期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：9.803； 五年影响因子：9.555 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Sweet cherry is a diploid tree species and its fruit skin has rich colours from yellow to blush to dark red. The colour is closely related to anthocyanin biosynthesis and is mainly regulated at the transcriptional level by transcription factors that regulate the expression of multiple structural genes. However, the genetic and molecular bases of how these genes ultimately determine the fruit skin colour traits remain poorly understood. Here, our genetic and molecular evidences identified the R2R3 MYB transcription factor PavMYB10.1 that is involved in anthocyanin biosynthesis pathway and determines fruit skin colour in sweet cherry. Interestingly, we identified three functional alleles of the gene causally leading to the different colours at mature stage. Meanwhile, our experimental results of yeast two-hybrid assays and chromatin immunoprecipitation assays revealed that PavMYB10.1 might interact with proteins PavbHLH and PavWD40, and bind to the promoter regions of the anthocyanin biosynthesis genes PavANS and PavUFGT; these findings provided to a certain extent mechanistic insight into the gene's functions. Additionally, genetic and molecular evidences confirmed that PavMYB10.1 is a reliable DNA molecular marker to select fruit skin colour in sweet cherry.

分类号： Q7

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