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Genome-wide identification and characterization of SRO gene family in wheat: Molecular evolution and expression profiles during different stresses

文献类型： 外文期刊

作者： Jiang, Wenqiang 1 ; Geng, Yuepan 3 ; Liu, Yike 2 ; Chen, Shuhui 1 ; Cao, Shulin 4 ; Li, Wei 4 ; Chen, Huaigu 4 ; Ma, Dong 1 ;

作者机构： 1.Yangtze Univ, Hubei Engn Technol Ctr, Hubei Collaborat Innovat Ctr Grain Ind,Coll Agr, Engn Res Ctr Ecol & Agr Use Wetland,Minist Educ F, Jingzhou 434000, Hubei, Peoples R China

2.Hubei Acad Agr Sci, Inst Food Crops, Wuhan 430064, Peoples R China

3.Nanjing Normal Univ, Coll Life Sci, Integrat Biol Lab, Nanjing 210014, Jiangsu, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Jiangsu, Peoples R China

关键词： Abiotic stress; Evolution; Expression profile; SRO; Phylogenetics; qRT-PCR

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：4.27； 五年影响因子：4.816 ）

ISSN： 0981-9428

年卷期： 2020 年 154 卷

页码：

收录情况： SCI

摘要： SRO (SIMILAR TO RCD ONE), a type of plant-specific small protein family, play important roles in plant growth and development, as well as in response to biotic/abiotic stresses. Although characterization of SROs have been performed in model plants, little is known about their function in wheat, especially under stress conditions. In this study, 30 SRO genes were identified from the wheat genome (TaSRO). They were phylogenetically separated into two groups with distinct structures. The cis-regulatory elements in the promoter region of TaSROs were analyzed and numerous elements functionally associated with stress responding and hormones were interpreted, implying the reason for induction expression patterns of TaSROs during abiotic and biotic stresses in wheat. Whole-genome replication events in the SRO gene family of wheat and seven other species (Arabidopsis thaliana, rice, maize, barley, soybean, upland cotton, and cucumber) were analyzed, resulting in 1, 12, 9, 23, 6, 5, and 3 of gene pairs, respectively. The tissue-specific expression pattern profiling revealed that most TaSROs are highly expressed in one or more tissues and may play an important role in wheat growth and development. In addition, qRT-PCR results further confirmed that these TaSRO genes are involved in wheat stress response. In summary, our study laid a theoretical basis for molecular function deciphering of TaSROs, especially in plant hormones and biotic/abiotic stress responses.

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