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Identification fi cation of the RRM1 gene family in rice ( Oryza sativa) ) and its response to rice blast

文献类型： 外文期刊

作者： Jiang, Xinlei 1 ; Yu, Shangwei 1 ; Huang, Yuhan 1 ; Huang, Junying 1 ; Liu, Shaochun 1 ; Yang, Dewei 1 ; Fu, Junru 1 ; He, Haohua 1 ; Fu, Haihui 1 ;

作者机构： 1.Jiangxi Agr Univ, Key Lab Crop Physiol Ecol Genet & Breeding, Minist Educ, Nanchang, Jiangxi, Peoples R China

2.Fujian Acad Agr Sci, Inst Rice, Fuzhou, Fujian, Peoples R China

关键词： Rice; Gene family; Rice blast; Bioinformatics

期刊名称：PEERJ （ 影响因子：2.3； 五年影响因子：2.8 ）

ISSN： 2167-8359

年卷期： 2024 年 12 卷

页码：

收录情况： SCI

摘要： To better understand RNA-binding proteins in rice, a comprehensive investigation was conducted on the RRM1 gene family of rice. It encompassed genome-wide identification fi cation and exploration of its role in rice blast resistance. The physicochemical properties of the rice OsRRM1 gene family were analyzed. There genes were also analyzed for their conserved domains, motifs, location information, gene structure, phylogenetic trees, collinearity, and cis-acting elements. Furthermore, alterations in the expression patterns of selected OsRRM1 genes were assessed using quantitative real-time PCR (qRT-PCR). A total of 212 members of the OsRRM1 gene family were identified, fi ed, which were dispersed across 12 chromosomes. These genes all exhibit multiple exons and introns, all of which encompass the conserved RRM1 domain and share analogous motifs. This observation suggests a high degree of conservation within the encoded sequence domain of these genes. Phylogenetic analysis revealed the existence of fi ve subfamilies within the OsRRM1 gene family. Furthermore, investigation of the promoter region identified fi ed cis-regulatory elements that are involved in nucleic acid binding and interaction with multiple transcription factors. By employing GO and KEGG analyses, four RRM1 genes were tentatively identified fi ed as crucial contributors to plant immunity, while the RRM1 gene family was also found to have a significant fi cant involvement in the complex of alternative splicing. The qRT-PCR results revealed distinct temporal changes in the expression patterns of OsRRM1 genes following rice blast infection. Additionally, gene expression analysis indicates that the majority of OsRRM1 genes exhibited constitutive expressions. These fi ndings enrich our understanding of the OsRRM1 gene family. They also provide a foundation for further research on immune mechanisms rice and the management of rice blast.

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