Characterization, Evolution, Expression and Functional Divergence of the DMP Gene Family in Plants

文献类型： 外文期刊

第一作者： Ahmad, Zeeshan

作者： Ahmad, Zeeshan;Tian, Dingyan;Li, Yan;Aminu, Isah Mansur;Tabusam, Javaria;Zhang, Yongshan;Zhu, Shouhong;Ahmad, Zeeshan;Tian, Dingyan;Li, Yan;Aminu, Isah Mansur;Tabusam, Javaria;Zhang, Yongshan;Zhu, Shouhong

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关键词： DMP genes; genome-wide; cotton; characterization; evolution; gene expression

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 19 期

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收录情况： SCI

摘要： The DMP (DOMAIN OF UNKNOWN FUNCTION 679 membrane protein) domain, containing a family of membrane proteins specific to green plants, is involved in numerous biological functions including physiological processes, reproductive development and senescence in Arabidopsis, but their evolutionary relationship and biological function in most crops remains unknown. In this study, we scrutinized phylogenetic relationships, gene structure, conserved domains and motifs, promoter regions, gene loss/duplication events and expression patterns. Overall, 240 DMPs were identified and analyzed in 24 plant species selected from lower plants to angiosperms. Comprehensive evolutionary analysis revealed that these DMPs underwent purifying selection and could be divided into five groups (I-V). DMP gene structure showed that it may have undergone an intron loss event during evolution. The five DMP groups had the same domains, which were distinct from each other in terms of the number of DMPs; group III was the largest, closely followed by group V. The DMP promotor region with various cis-regulatory elements was predicted to have a potential role in development, hormone induction and abiotic stresses. Based on transcriptomic data, expression profiling revealed that DMPs were primarily expressed in reproductive organs and were moderately expressed in other tissues. Evolutionary analysis suggested that gene loss events occurred more frequently than gene duplication events among all groups. Overall, this genome-wide study elucidates the potential function of the DMP gene family in selected plant species, but further research is needed in many crops to validate their biological roles.

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