Genome-Wide Study of NOT2_3_5 Protein Subfamily in Cotton and Their Necessity in Resistance to Verticillium wilt

文献类型： 外文期刊

第一作者： Zhao, Pei

作者： Zhao, Pei;Chen, Wei;Sang, Xiaohui;Zhao, Yunlei;Wang, Hongmei;Qin, Tengfei

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关键词： NOT2_3_5 domain protein; Verticillium wilt; cotton

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.924； 五年影响因子：6.132 ）

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年卷期： 2021 年 22 卷 11 期

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收录情况： SCI

摘要： The Negative on TATA-less (NOT) 2_3_5 domain proteins play key roles in mRNA metabolism and transcription regulation, but few comprehensive studies have focused on this protein family in plants. In our study, a total of 30 NOT2_3_5 genes were identified in four cotton genomes: Gossypium. arboretum, G. raimondii, G. hirsutum and G. barbadense. Phylogenetic analysis showed that all the NOT2_3_5 domain proteins were divided into two classes. The NOT2_3_5 genes were expanded frequently, and segmental duplication had significant effects in their expansion process. The cis-regulatory elements analysis of NOT2_3_5 promoter regions indicated that NOT2_3_5 domain proteins might participate in plant growth and development processes and responds to exogenous stimuli. Expression patterns demonstrated that all of the GhNOT2_3_5 genes were expressed in the majority of tissues and fiber development stages, and that these genes were induced by multiple stresses. Quantitative real-time PCR showed that GbNOT2_3_5 genes were up-regulated in response to verticillium wilt and the silencing of GbNOT2_3_5-3/8 and GbNOT2_3_5-4/9 led to more susceptibility to verticillium wilt than controls. Identification and analysis of the NOT2_3_5 protein family will be beneficial for further research on their biological functions.

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