Gene coexpression network analysis reveals the role of SRS genes in senescence leaf of maize (Zea mays L.)
文献类型： 外文期刊
作者： He, Bing 1 ; Shi, Pibiao 2 ; Lv, Yuanda 3 ; Gao, Zhiping 1 ; Chen, Guoxiang 1 ;
作者机构： 1.Nanjing Normal Univ, Sch Life Sci, Nanjing 210023, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Xinyang Agr Expt Stn Yancheng City, Yancheng 224049, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Prov Key Lab Agrobiol, Inst Crop Germplasm & Biotechnol, Nanjing 210014, Jiangsu, Peoples R China
关键词： gene coexpression network; maize; SRS gene; leaf senescence
期刊名称：JOURNAL OF GENETICS （ 影响因子：1.166； 五年影响因子：1.212 ）
ISSN： 0022-1333
年卷期： 2019 年 99 卷 1 期
页码：
收录情况： SCI
摘要： Shi-related sequence (SRS) proteins are plant-specific transcription factors that play important roles in developmental processes, including regulating hormone biosynthesis, response or signal transduction. However, systematical analysis of the SRS gene family in maize has not yet been conducted. In this study, 11 SRS genes with 13 transcripts were identified and characterized. The characteristics of the gene family were analysed in terms of phylogenetic relationships, chromosome distribution and gene structure. RNA-sequencing data analysis showed that the expression patterns of SRS genes were quite different from each other in maize, indicating their divergence in function. Interestingly, the GRMZM2G077752 gene is highly expressed in senescent leaves. Using further coexpression network analysis, we determined that the module containing GRMZM2G077752 were over-represented by genes related to abscisic acid (ABA) stimulus and carbohydrate metabolic process. This result indicated that GRMZM2G077752 might perceive ABA signal and cause the activation of carbohydrate remobilization during leaf ageing. This study provides valuable information for understanding the functions of the SRS genes in maize.
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