Characterization and evolutionary analysis of phosphate starvation response genes in wheat and other major gramineous plants
文献类型： 外文期刊
作者： Sun, Renwei 1 ; Gong, Jie 1 ; Du, Yinke 2 ; Zhang, Shengquan 1 ; Zheng, Wei 3 ; Ma, Jinxiu 1 ; Zhang, Fengting 1 ; Liu, Yongjie 1 ; Liao, Xiangzheng 1 ; Sun, Hui 1 ; Pang, Binshuang 1 ; Zhao, Changping 1 ; Gao, Shiqing 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci BAAFS, Inst Hybrid Wheat, Beijing 100097, Peoples R China
2.Municipal Key Lab Mol Genet Hybrid Wheat, Beijing 100097, Peoples R China
3.Xinjiang Agr Univ, Coll Grassland Sci, Urumqi 830052, Xinjiang, Peoples R China
4.Univ Tokyo, Dept Agr & Environm Biol, Lab Plant Breeding & Genet, Bunkyo Ku, Tokyo 1138657, Japan
关键词： Phosphate starvation; Phylogeny; Protein-protein interaction
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.025； 五年影响因子：7.626 ）
ISSN： 0141-8130
年卷期： 2023 年 225 卷
页码：
收录情况： SCI
摘要： Developing cultivars with improved Pi use efficiency is essential for the sustainability of agriculture as well as the environment. Phosphate starvation response (PHR) regulators have not yet been systematically studied in wheat. This study provides the detailed characteristics of PHRs in hexaploid wheat as well as other major gramineous plants at the genome-wide level. The identified PHR proteins were divided into six subfamilies through phy-logeny analysis, and a total of 63 paralogous TaPHR pairs were designated as arising from duplication events, with strong purifying selection. The promoters of TaPHRs were identified as stations for many transcription factors. Protein-protein interaction network and gene ontology enrichment analysis indicated a core biological process of cellular response to phosphate starvation. The three-dimensional structures of core PHR proteins showed a high phylogenetic relationship, but amino acid deletions in core protein domains may cause functional differentiation between rice and wheat. TaPHR3 could interact with TaSPX1 and TaSPX5 proteins, which is regarded as a novel interaction mode. Under different Pi gradient treatments, TaPHRs showed low inducible expression patterns among all subfamilies. Our study is the first to comprehensively clarify the basic properties of TaPHR proteins and might accumulate basic data for improving grain yield and environmental homeostasis.
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