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Proteomic analysis of leaves and roots during drought stress and recovery in Setaria italica L.

文献类型： 外文期刊

作者： Gao, Hui 1 ; Ge, Weina 3 ; Bai, Lin 4 ; Zhang, Ting 2 ; Zhao, Ling 2 ; Li, Jingshi 1 ; Shen, Jiangjie 1 ; Xu, Ningwei 6 ; Zhang, Haoshan 2 ; Wang, Genping 2 ; Lin, Xiaohu 1 ;

作者机构： 1.Hebei Normal Univ Sci & Technol, Coll Marine Resources & Environm, Dept Life Sci & Technol, Hebei Key Lab Crop Stress Biol, Qinhuangdao, Hebei, Peoples R China

2.Hebei Acad Agr & Forestry Sci, Minist Agr & Rural Affairs, Inst Millet Crops, Key Lab Genet Improvement & Utilizat Featured Coar, Shijiazhuang, Peoples R China

3.North China Univ Sci & Technol, Coll Life Sci, Tangshan, Peoples R China

4.Fudan Univ, State Key Lab Genet Engn, Shanghai, Peoples R China

5.Fudan Univ, Inst Biomed Sci, Collaborat Innovat Ctr Genet & Dev, Sch Life Sci, Shanghai, Peoples R China

6.Hebei Agr Univ, Coll Landscape & Tourism, Baoding, Peoples R China

关键词： drought stress; leaf; root; proteomic; Setaria italica L

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）

ISSN： 1664-462X

年卷期： 2023 年 14 卷

页码：

收录情况： SCI

摘要： Drought is a major environmental factor that limits agricultural crop productivity and threatens food security. Foxtail millet is a model crop with excellent abiotic stress tolerance and is consequently an important subject for obtaining a better understanding of the molecular mechanisms underlying plant responses to drought and recovery. Here the physiological and proteomic responses of foxtail millet (cultivar Yugu1) leaves and roots to drought treatments and recovery were evaluated. Drought-treated foxtail millet exhibited increased relative electrolyte leakage and decreased relative water content and chlorophyll content compared to control and rewatering plants. A global analysis of protein profiles was evaluated for drought-treated and recovery treatment leaves and roots. We also identified differentially abundant proteins in drought and recovery groups, enabling comparisons between leaf and root tissue responses to the conditions. The principal component analysis suggested a clear distinction between leaf and root proteomes for the drought-treated and recovery treatment plants. Gene Ontology enrichment and co-expression analyses indicated that the biological responses of leaves differed from those in roots after drought and drought recovery. These results provide new insights and data resources to investigate the molecular basis of tissue-specific functional responses of foxtail millet during drought and recovery, thereby significantly informing crop breeding.

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