AvNAC030, a NAC Domain Transcription Factor, Enhances Salt Stress Tolerance in Kiwifruit

文献类型： 外文期刊

第一作者： Li, Ming

作者： Li, Ming;Wu, Zhiyong;Gu, Hong;Cheng, Dawei;Guo, Xizhi;Li, Lan;Shi, Caiyun;Xu, Guoyi;Gu, Shichao;Abid, Muhammad;Zhong, Yunpeng;Qi, Xiujuan;Chen, Jinyong;Abid, Muhammad

作者机构：

关键词： kiwifruit; salt tolerance; oxidative stress; ROS; NAC

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.924； 五年影响因子：6.132 ）

ISSN：

年卷期： 2021 年 22 卷 21 期

页码：

收录情况： SCI

摘要： Kiwifruit (Actinidia chinensis Planch) is suitable for neutral acid soil. However, soil salinization is increasing in kiwifruit production areas, which has adverse effects on the growth and development of plants, leading to declining yields and quality. Therefore, analyzing the salt tolerance regulation mechanism can provide a theoretical basis for the industrial application and germplasm improvement of kiwifruit. We identified 120 NAC members and divided them into 13 subfamilies according to phylogenetic analysis. Subsequently, we conducted a comprehensive and systematic analysis based on the conserved motifs, key amino acid residues in the NAC domain, expression patterns, and protein interaction network predictions and screened the candidate gene AvNAC030. In order to study its function, we adopted the method of heterologous expression in Arabidopsis. Compared with the control, the overexpression plants had higher osmotic adjustment ability and improved antioxidant defense mechanism. These results suggest that AvNAC030 plays a positive role in the salt tolerance regulation mechanism in kiwifruit.

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