Genome-wide identification of papain-like cysteine protease family genes in cultivated peanut (Arachis hypogaea L.) and functional characterization of AhRD21B in response to chilling stress
文献类型： 外文期刊
作者： Zhang, Chong 1 ; Chen, Yuting 1 ; Wang, Lihui 1 ; Liu, Lu 1 ; Zhong, Xin 1 ; Chu, Panpan 1 ; Gao, Meijia 1 ; Chen, Hua 1 ; Cai, Tiecheng 1 ; Xiong, Faqian 3 ; Zhang, Xiurong 4 ; Raza, Ali 1 ; Pan, Rong-long 5 ; Varshney, Rajeev K. 6 ; Liu, Fengzhen 4 ; Zhuang, Weijian 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Agr, Res Ctr Legume Genet & Syst Biol, Key Lab Minist Educ Genet, Fuzhou 350002, Fujian, Peoples R China
2.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Ecol Pest Control Fujian & Taiwan cr, Fuzhou 350002, Fujian, Peoples R China
3.Cash Crops Res Inst, Guangxi Acad Agr Sci, Nanning 530007, Peoples R China
4.Shandong Agr Univ, Coll Agron, State Key Lab Crop Biol, Shandong Key Lab Crop Biol, Tai An 271018, Peoples R China
5.Natl Tsing Hua Univ, Inst Bioinformat & Struct Biol, Coll Life Sci, Dept Life Sci, Hsinchu 30013, Taiwan
6.Murdoch Univ, Ctr Crop & Food Innovat, State Agr Biotechnol Ctr, Murdoch, WA, Australia
关键词： Arachis hypogaea; PLCPs; Gene expression; AhRD21B; Cold stress
期刊名称：ENVIRONMENTAL AND EXPERIMENTAL BOTANY （ 影响因子：5.7； 五年影响因子：6.0 ）
ISSN： 0098-8472
年卷期： 2023 年 209 卷
页码：
收录情况： SCI
摘要： Papain-like cysteine proteases (PLCPs) play essential roles in plant growth, senescence, and stress responses. However, researches on the PLCP genes are limited in cultivated peanut (Arachis hypogaea L.). Here, we identified and analyzed AhPLCP genes in cultivated peanut using bioinformatic approaches and verified the involvement of AhRD21B in response to chilling tolerance using an experimental test. We identified 52 AhPLCP genes in peanut genome and categorized them into eight subfamilies. Six tandem duplicated genes were identified in cultivated peanut. The promoters of AhPLCP genes contained many stress responsive elements. AhPLCP genes were generally expressed constitutively, and many AhPLCP genes were cold-responsive. Among these genes, heterologous expression of AhRD21B significantly increased the tolerance of transgenic Arabidopsis to cold compared with the wild-type plants. In addation, AhRD21B can regulate cold-related genes that participate in enhancing chilling tolerance in transgenic Arabidopsis. These findings provide valuable insights into the functions of AhPLCP genes in plant stress tolerance.
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