Functional characterization of MaEXPA11 and its roles in response to biotic and abiotic stresses in mulberry

文献类型： 外文期刊

第一作者： Guo, Yangyang

作者： Guo, Yangyang;Kang, Xiaoru;Huang, Yajiang;Guo, Zixuan;Wang, Yuqiong;Ma, Shuwen;Li, Hua;Chao, Nan;Liu, Li;Chao, Nan;Liu, Li

作者机构：

关键词： Cold stress; Drought stress; Expansins; Mulberry; Sclerotiniose

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：6.5； 五年影响因子：6.4 ）

ISSN： 0981-9428

年卷期： 2024 年 206 卷

页码：

收录情况： SCI

摘要： Mulberry is a traditional economic tree with various values in sericulture, ecology, food industry and medicine. Expansins (EXPs) are known as cell wall expansion related proteins and have been characterized to involve in plant development and responses to diverse stresses. In present study, twenty EXP and expansin-like (EXL) genes were identified in mulberry. RNA-seq results indicated that three EXP and EXL genes showed up-regulated expression level under sclerotiniose pathogen infection in three independent RNA-seq datasets. The most significant upregulated EXPA11 was selected as key EXP involving in response to sclerotiniose pathogen infection in mulberry. Furthermore, a comprehensive functional analysis was performed to reveal subcellular location, tissue expression profile of MaEXPA11 in mulberry. Down-regulation of MaEXPA11 using virus induced gene silence (VIGS) was performed to explore the function of MaEXPA11 in Morus alba. Results showed that MaEXPA11 can positively regulate mulberry resistance to Ciboria shiraiana infection and negatively regulate mulberry resistance to cold or drought stress.

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