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Proteomic analysis reveals differential responsive mechanisms in Solanum nigrum exposed to low and high dose of cadmium

文献类型： 外文期刊

作者： Song, Ling-Yu 1 ; Liu, Xiang 2 ; Zhang, Lu-Dan 1 ; Hu, Wen-Jun 3 ; Xu, Chao-Qun 1 ; Li, Jing 1 ; Song, Shi-Wei 1 ; Guo, Ze-Jun 1 ; Sun, Chen-Yang 1 ; Tang, Han-Chen 1 ; Wang, Ji-Cheng 1 ; Zhu, Xue-Yi 1 ; Zheng, Hai-Lei 1 ;

作者机构： 1.Xiamen Univ, Coll Environm & Ecol, Key Lab Subtrop Wetland Ecosyst Res MOE, Xiamen 361005, Fujian, Peoples R China

2.Taiyuan Univ Technol, Taiyuan 030024, Shanxi, Peoples R China

3.Zhejiang Acad Agr Sci, Hangzhou 310021, Zhejiang, Peoples R China

4.Xiamen Univ, Coll Environm & Ecol, Xiamen 361005, Fujian, Peoples R China

关键词： Cd; Hyperaccumulator; Proteome; Differentially expressed proteins (DEPs); Protein-protein interaction (PPI) network

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：13.6； 五年影响因子：12.7 ）

ISSN： 0304-3894

年卷期： 2023 年 448 卷

页码：

收录情况： SCI

摘要： Cadmium (Cd) contamination is becoming a widespread environmental problem. However, the differential responsive mechanisms of Cd hyperaccumulator Solanum nigrum to low or high dose of Cd are not well docu-mented. In this study, phenotypic and physiological analysis firstly suggested that the seedlings of S. nigrum showed slight leaf chlorosis symptoms under 25 mu M Cd and severe inhibition on growth and photosynthesis under 100 mu M Cd. Further proteomic analysis identified 105 differentially expressed proteins (DEPs) in the Cd-treated leaves. Under low dose of Cd stress, 47 DEPs are mainly involved in primary metabolic processes, while under high dose of Cd stress, 92 DEPs are mainly involved in photosynthesis, energy metabolism, production of phytochelatin and reactive oxygen species (ROS). Protein-protein interaction (PPI) network analysis of DEPs support above differential responses in the leaves of S. nigrum to low and high dose of Cd treatments. This work provides the differential responsive mechanisms in S. nigrum to low and high dose of Cd, and the theoretical foundation for the application of hyperaccumulating plants in the phytoremediation of Cd-contaminated soils.

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