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Convergent and/or parallel evolution of RNA-binding proteins in angiosperms after polyploidization

文献类型： 外文期刊

作者： Guo, Liangyu 1 ; Wang, Shuo 1 ; Jiao, Xi 1 ; Ye, Xiaoxue 2 ; Deng, Deyin 1 ; Liu, Hua 1 ; Li, Yan 1 ; van de Peer, Yves 3 ; Wu, Wenwu 1 ;

作者机构： 1.Zhejiang A&F Univ, Sch Forestry & Biotechnol, State Key Lab Subtrop Silviculture, Hangzhou 311300, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China

3.Univ Ghent, VIB UGent Ctr Plant Syst Biol, Dept Plant Biotechnol & Bioinformat, B-9052 Ghent, Belgium

4.Nanjing Agr Univ, Acad Adv Interdisciplinary Studies, Coll Hort, Nanjing 210095, Peoples R China

5.Univ Pretoria, Dept Biochem Genet & Microbiol, Pretoria, South Africa

关键词： alternative splicing; C-repeat binding factors; cold stress; convergent evolution; global cooling; K-Pg boundary; RNA-binding proteins; whole-genome duplication

期刊名称：NEW PHYTOLOGIST （ 影响因子：9.4； 五年影响因子：10.5 ）

ISSN： 0028-646X

年卷期： 2024 年 242 卷 3 期

页码：

收录情况： SCI

摘要： center dot Increasing studies suggest that the biased retention of stress-related transcription factors (TFs) after whole-genome duplications (WGDs) could rewire gene transcriptional networks, facilitating plant adaptation to challenging environments. However, the role of posttranscriptional factors (e.g. RNA-binding proteins, RBPs) following WGDs has been largely ignored. center dot Uncovering thousands of RBPs in 21 representative angiosperm species, we integrate genomic, transcriptomic, regulatomic, and paleotemperature datasets to unravel their evolutionary trajectories and roles in adapting to challenging environments. center dot We reveal functional enrichments of RBP genes in stress responses and identify their convergent retention across diverse angiosperms from independent WGDs, coinciding with global cooling periods. Numerous RBP duplicates derived from WGDs are then identified as cold-induced. A significant overlap of 29 orthogroups between WGD-derived and cold-induced RBP genes across diverse angiosperms highlights a correlation between WGD and cold stress. Notably, we unveil an orthogroup (Glycine-rich RNA-binding Proteins 7/8, GRP7/8) and relevant TF duplicates (CCA1/LHY, RVE4/8, CBF2/4, etc.), co-retained in different angiosperms post-WGDs. Finally, we illustrate their roles in rewiring circadian and cold-regulatory networks at both transcriptional and posttranscriptional levels during global cooling. center dot Altogether, we underline the adaptive evolution of RBPs in angiosperms after WGDs during global cooling, improving our understanding of plants surviving periods of environmental turmoil.

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