Analysis of the histidine kinase gene family and the role of GhHK8 in response to drought tolerance in cotton

文献类型： 外文期刊

第一作者： Zhao, Lanjie

作者： Zhao, Lanjie;Cui, Ruifeng;Cui, Yupeng;Lu, Xuke;Chen, Xiugui;Wang, Junjuan;Wang, Delong;Yin, Zujun;Wang, Shuai;Guo, Lixue;Chen, Chao;Ye, Wuwei;Wang, Yongbo;Peng, Fanjia;Ye, Wuwei

作者机构：

期刊名称：PHYSIOLOGIA PLANTARUM （ 影响因子：6.4； 五年影响因子：5.9 ）

ISSN： 0031-9317

年卷期： 2023 年 175 卷 5 期

页码：

收录情况： SCI

摘要： As an important member of the two-component system (TCS), histidine kinases (HKs) play important roles in various plant developmental processes and signal transduction in response to a wide range of biotic and abiotic stresses. So far, the HK gene family has not been investigated in Gossypium. In this study, a total of 177 HK gene family members were identified in cotton. They were further divided into seven groups, and the protein characteristics, genetic relationship, gene structure, chromosome location, collinearity, and cis-elements identification were comprehensively analyzed. Whole genome duplication (WGD) / segmental duplication may be the reason why the number of HK genes doubled in tetraploid Gossypium species. Expression analysis revealed that most cotton HK genes were mainly expressed in the reproductive organs and the fiber at initial stage. Gene expression analysis revealed that HK family genes are involved in cotton abiotic stress, especially drought stress and salt stress. In addition, gene interaction networks showed that HKs were involved in the regulation of cotton abiotic stress, especially drought stress. VIGS experiments have shown that GhHK8 is a negative regulatory factor in response to drought stress. Our systematic analysis provided insights into the characteristics of the HK genes in cotton and laid a foundation for further exploring their potential in drought stress resistance in cotton.

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