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Genome-Wide Identification of the PP2C Gene Family and Analyses with Their Expression Profiling in Response to Cold Stress in Wild Sugarcane

文献类型： 外文期刊

作者： Huang, Xing 1 ; Liang, Yongsheng 2 ; Zhang, Ronghua 1 ; Zhang, Baoqing 1 ; Song, Xiupeng 1 ; Liu, Junxian 1 ; Lu, Manman 1 ; Qin, Zhenqiang 1 ; Li, Dewei 1 ; Li, Song 1 ; Li, Yangrui 1 ;

作者机构： 1.Chinese Acad Agicultural Sci, Guangxi Acad Agr Sci, Sugarcane Res Inst, Sugarcane Res Ctr,Minist Agr,Guangxi Key Lab Sugar, Nanning 530007, Peoples R China

2.Nanning Inst Agr Sci, Nanning 530021, Peoples R China

关键词： wild sugarcane; type 2C protein phosphatase (PP2C); phylogenetic analysis; gene expression profiling; cold stress

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2023 年 12 卷 13 期

页码：

收录情况： SCI

摘要： Type 2C protein phosphatases (PP2Cs) represent a major group of protein phosphatases in plants, some of which have already been confirmed to play important roles in diverse plant processes. In this study, analyses of the phylogenetics, gene structure, protein domain, chromosome localization, and collinearity, as well as an identification of the expression profile, protein-protein interaction, and subcellular location, were carried out on the PP2C family in wild sugarcane (Saccharum spontaneum). The results showed that 145 PP2C proteins were classified into 13 clades. Phylogenetic analysis suggested that SsPP2Cs are evolutionarily closer to those of sorghum, and the number of SsPP2Cs is the highest. There were 124 pairs of SsPP2C genes expanding via segmental duplications. Half of the SsPP2C proteins were predicted to be localized in the chloroplast (73), with the next most common predicted localizations being in the cytoplasm (37) and nucleus (17). Analysis of the promoter revealed that SsPP2Cs might be photosensitive, responsive to abiotic stresses, and hormone-stimulated. A total of 27 SsPP2Cs showed cold-stress-induced expressions, and SsPP2C27 (Sspon.01G0007840-2D) and SsPP2C64 (Sspon.03G0002800-3D) were the potential hubs involved in ABA signal transduction. Our study presents a comprehensive analysis of the SsPP2C gene family, which can play a vital role in the further study of phosphatases in wild sugarcane. The results suggest that the PP2C family is evolutionarily conserved, and that it functions in various developmental processes in wild sugarcane.

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