Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress
文献类型： 外文期刊
作者： Wang, Xingliang 1 ; Huang, Yue 1 ; Yang, Na 2 ; Wang, Xue 1 ; Wang, Yuanqian 1 ; Ma, Wenyao 1 ; Zhang, Hui 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Hort Branch, Harbin 150069, Peoples R China
2.Harbin Acad Agr Sci, Harbin 150029, Peoples R China
关键词：
pepper; bioinformatics;
期刊名称：GENES （ 影响因子：2.8； 五年影响因子：3.2 ）
ISSN：
年卷期： 2025 年 16 卷 6 期
页码：
收录情况： SCI
摘要： Background: The plant AT-rich sequence and zinc binding (PLATZ) transcription factors constitute a zinc-dependent protein family implicated in various developmental processes and responses to abiotic stress. Nevertheless, comprehensive investigations on PLATZ gene functions in pepper (Capsicum annuum) have not been extensively performed. Methods: In the present study, bioinformatics methods coupled with quantitative real-time PCR (qRT-PCR) were employed to characterize the phylogenetic relationships, chromosome distribution, structural composition, cis-regulatory elements, evolutionary dynamics, and expression responses of CaPLATZ genes under drought stress conditions. Results: Phylogenetic analyses categorized the CaPLATZ genes into four distinct subgroups, each exhibiting similar gene structures and conserved motif patterns within its subgroup. A total of 11 CaPLATZ genes were nonuniformly located across eight pepper chromosomes, and synteny analyses identified a duplication event involving a single gene pair. The assessment of cis-acting regulatory elements indicated potential involvement of CaPLATZ genes in responses to abiotic stresses and various phytohormones. Furthermore, qRT-PCR results revealed differential expression of most CaPLATZ genes under drought-induced stress. Conclusions: Collectively, these findings support the functional roles of CaPLATZ transcription factors in mediating developmental processes and enhancing drought tolerance in pepper.
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