Evolution of lmiRNAs and their targets from MITEs for rice adaptation

作     者：Tianxiao Huang Yan Li Wei Wang Le Xu Jingrui Li Yijun Qi Tianxiao Huang;Yan Li;Wei Wang;Le Xu;Jingrui Li;Yijun Qi

作者机构：Center for Plant BiologySchool of Life SciencesTsinghua UniversityBeijing 100084China Tsinghua University.Peking University Joint Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijing 100084China 

出 版 物：《Journal of Integrative Plant Biology》 (植物学报（英文版）)

年 卷 期：2022年第64卷第12期

页      面：2411-2424页

核心收录：

学科分类：0710[理学-生物学] 09[农学] 0901[农学-作物学] 

基　　金：the National Natural Science Foundation of China(grant number 31788103) 

主　　题：DNA methylation evolution miRNA stress 

摘      要：Twenty-four nucleotide long microRNAs(ImiRNAs)direct DNA methylation at target genes and regulate their *** evolutionary origin of ImiRNAs and the range of ImiRNA-mediated regulation remain ***,we reannotated ImiRNAs and their targets in rice by applying stringent *** found that the majority of ImiRNAs are derived from Miniature Inverted-repeat Transposable Elements(MITEs)and most sites targeted by MITE-derived ImiRNAs reside within MITEs,suggesting co-evolution of ImiRNAs and their targets through MITE *** undergo dynamically changes under stress conditions and the genes targeted by ImiRNAs show an enrichment for stress-responsive genes,suggesting that ImiRNAs are widely involved in plant responses to *** constructed the evolutionary histories of ImiRNAs and their *** half of ImiRNAs emerged before or when the AA genome was diverged,while the emergence of ImiRNA targets coincided with or followed the emergence of ***,we found that the sequences of a ImiRNA target site underwent variations,coincident with the divergence of rice accessions and the distribution of rice accessions in different geographical locations and climatic *** findings highlight MITEs as an important origin of ImiRNAs and suggest that the evolution of ImiRNA-target regulatory modules may contribute to rice adaptation to environmental changes.