文献类型： 外文期刊
作者： Han, Jiarui 1 ; Wang, Qi 1 ; Qian, Buxuan 1 ; Liu, Qing 1 ; Wang, Ziyu 1 ; Liu, Yang 1 ; Chen, Ziqi 1 ; Wu, Weilin 2 ; Zhang, Chuang 1 ; Yin, Yuejia 1 ;
作者机构： 1.Jilin Acad Agr Sci, Inst Agr Biotechnol, Northeast Innovat Ctr Agr Sci & Technol China, Jilin Prov Key Lab Agr Biotechnol, Changchun 130033, Peoples R China
2.Yanbian Univ, Coll Agr, Yanji 133002, Peoples R China
3.Jilin Agr Univ, Coll Agron, Changchun 130118, Peoples R China
关键词： maize (Zea mays L.); Snf2 gene family; phylogenetic analysis; stress response; qRT-PCR
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2024 年 25 卷 17 期
页码：
收录情况： SCI
摘要： The maize Snf2 gene family plays a crucial role in chromatin remodeling and response to environmental stresses. In this study, we identified and analyzed 35 members of the maize Snf2 gene family (ZmCHR1 to ZmCHR35) using the Ensembl Plants database. Each protein contained conserved SNF2-N and Helicase-C domains. Phylogenetic analysis revealed six groups among the Snf2 proteins, with an uneven distribution across subfamilies. Physicochemical analysis indicated that the Snf2 proteins are hydrophilic, with varied amino acid lengths, isoelectric points, and molecular weights, and are predominantly localized in the nucleus. Chromosomal mapping showed that these genes are distributed across all ten maize chromosomes. Gene structure analysis revealed diverse exon-intron arrangements, while motif analysis identified 20 conserved motifs. Collinearity analysis highlighted gene duplication events, suggesting purifying selection. Cis-regulatory element analysis suggested involvement in abiotic and biotic stress responses. Expression analysis indicated tissue-specific expression patterns and differential expression under various stress conditions. Specifically, qRT-PCR validation under drought stress showed that certain Snf2 genes were upregulated at 12 h and downregulated at 24 h, revealing potential roles in drought tolerance. These findings provide a foundation for further exploration of the functional roles of the maize Snf2 gene family in development and stress responses.
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