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Volume 16
Issue 6
10.3390/genes16060632
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress

by
Xingliang Wang
1,
Yue Huang
1,
Na Yang
2,
Xue Wang
1,
Yuanqian Wang
1,
Wenyao Ma
1 and
Hui Zhang
1,*
1
Horticultural Branch of Heilongjiang Academy of Agricultural Sciences, Harbin 150069, China
2
Harbin Academy of Agricultural Sciences, Harbin 150029, China
*
Author to whom correspondence should be addressed.
Genes 2025, 16(6), 632; https://doi.org/10.3390/genes16060632 (registering DOI)
Submission received: 6 May 2025 / Revised: 22 May 2025 / Accepted: 23 May 2025 / Published: 24 May 2025
(This article belongs to the Special Issue Abiotic Stress in Plants: Molecular Genetics and Genomics—2nd Edition)
Versions Notes

Abstract

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.
Keywords: pepper; bioinformatics; PLATZ family; drought stress pepper; bioinformatics; PLATZ family; drought stress

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MDPI and ACS Style

Wang, X.; Huang, Y.; Yang, N.; Wang, X.; Wang, Y.; Ma, W.; Zhang, H. Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress. Genes 2025, 16, 632. https://doi.org/10.3390/genes16060632

AMA Style

Wang X, Huang Y, Yang N, Wang X, Wang Y, Ma W, Zhang H. Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress. Genes. 2025; 16(6):632. https://doi.org/10.3390/genes16060632

Chicago/Turabian Style

Wang, Xingliang, Yue Huang, Na Yang, Xue Wang, Yuanqian Wang, Wenyao Ma, and Hui Zhang. 2025. "Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress" Genes 16, no. 6: 632. https://doi.org/10.3390/genes16060632

APA Style

Wang, X., Huang, Y., Yang, N., Wang, X., Wang, Y., Ma, W., & Zhang, H. (2025). Genome-Wide Identification of CaPLATZ Family Members in Pepper and Their Expression Profiles in Response to Drought Stress. Genes, 16(6), 632. https://doi.org/10.3390/genes16060632

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