GhiPLATZ17 and GhiPLATZ22, zinc-dependent DNA-binding transcription factors, promote salt tolerance in upland cotton
文献类型： 外文期刊
作者： Rehman, Abdul 1 ; Tian, Chunyan 1 ; Li, Xiawen 1 ; Wang, Xiaoyang 2 ; Li, Hongge 1 ; He, Shoupu 1 ; Jiao, Zhen 1 ; Qayyum, Abdul 4 ; Du, Xiongming 1 ; Peng, Zhen 1 ;
作者机构： 1.Zhengzhou Univ, Natl Key Lab Cotton Biobreeding & Integrated Utili, Zhengzhou Res Base, Zhengzhou 450001, Peoples R China
2.Chinese Acad Agr Sci, Inst Cotton Res, Natl Key Lab Cotton Biobreeding & Integrated Utili, Anyang 455000, Henan, Peoples R China
3.Chinese Acad Agr Sci, Natl Nanfan Res Inst Sanya, Sanya 572025, Peoples R China
4.Bahauddin Zakariya Univ, Dept Plant Breeding & Genet, Multan 66000, Pakistan
关键词： Cotton; Gene expression; PLATZ family; Salt stress; Subcellular localization; VIGS
期刊名称：PLANT CELL REPORTS （ 影响因子：6.2； 五年影响因子：5.9 ）
ISSN： 0721-7714
年卷期： 2024 年 43 卷 6 期
页码：
收录情况： SCI
摘要： PLATZ (Plant AT-rich sequences and zinc-binding proteins) are known to be key regulators in plant growth, development, and response to salt stress. In this study, we comprehensively analyzed the PLATZ family in ten cotton species in response to salinity stress. Gossypium herbaceum boasts 25 distinct PLATZ genes, paralleled by 24 in G. raimondii, 25 in G. arboreum, 46 in G. hirsutum, 48 in G. barbadense, 43 in G. tomentosum, 67 in G. mustelinum, 60 in G. darwinii, 46 in G. ekmanianum, and a total of 53 PLATZ genes attributed to G. stephensii. The PLATZ gene family shed light on the hybridization and allopolyploidy events that occurred during the evolutionary history of allotetraploid cotton. Ka/Ks analysis suggested that the PLATZ gene family underwent intense purifying selection during cotton evolution. Analysis of synteny and gene collinearity revealed a complex pattern of segmental and dispersed duplication events to expand PLATZ genes in cotton. Cis-acting elements and gene expressions revealed that GhiPLATZ exhibited salt stress resistance. Transcriptome analysis, functional validation, virus-induced gene silencing (VIGS), and diaminobenzidine staining (DAB) demonstrated that GhiPLATZ17 and GhiPLATZ22 enhance salt tolerance in upland cotton. The study can potentially advance our understanding of identifying salt-resistant genes in cotton.
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