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VvMYB114 mediated by miR828 negatively regulates trichome development of Arabidopsis

文献类型： 外文期刊

作者： Chen, Qiuju 1 ; Wang, Jiyuan 1 ; Danzeng, Pingcuo 1 ; Danzeng, Ciren 1 ; Song, Shiren 1 ; Wang, Lei 1 ; Zhao, Liping 1 ;

作者机构： 1.Shanghai Jiao Tong Univ, Sch Agr & Biol, Dept Plant Sci, Shanghai 200240, Peoples R China

2.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Key Lab Agroprod Proc Technol Shandong, Jinan 250100, Peoples R China

关键词： Grape; Trichome; miR828; Ta-siRNA; Functional divergence

期刊名称：PLANT SCIENCE （ 影响因子：4.729； 五年影响因子：5.132 ）

ISSN： 0168-9452

年卷期： 2021 年 309 卷

页码：

收录情况： SCI

摘要： Trichome is a specialized structure differentiated during the morphogenesis of plant leaf epidermal cells. In recent years, with the continuous researches on trichome development of Arabidopsis and other plants, more and more genes related to trichome morphogenesis have been discovered, including R2R3-type MYB genes. In this study, we cloned a R2R3-type MYB family gene from grape, VvMYB114, a target gene of vvi-miR828. qRT-PCR showed that VvMYB114 mRNA accumulated during grape fruit ripening, and VvMYB114 protein had transcriptional activation activity. Heterologous overexpression of VvMYB114 in Arabidopsis reduced the number of trichome on leaves and stems. Mutating the miR828-binding site in VvMYB114 without altering amino-acid sequence had no effect on trichome development in Arabidopsis. The results showed a different role of the regulation of miR828 to VvMYB114 in Arabidopsis from in grape, which indicated the functional divergence of miRNA targeting homoeologous genes in different species played an important roles in evolution and useful trait selection.

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[1]VvMYB114 mediated by miR828 negatively regulates trichome development of Arabidopsis. Chen, Qiuju,Wang, Jiyuan,Danzeng, Pingcuo,Danzeng, Ciren,Song, Shiren,Wang, Lei,Zhao, Liping,Xu, Wenping,Zhang, Caixi,Ma, Chao,Wang, Shiping,Wang, Shiping. 2021

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