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Differential phosphoproteome study of the response to cadmium stress in rice

文献类型： 外文期刊

作者： Fang, Yunxia 1 ; Deng, Xiangxiong 1 ; Lu, Xueli 1 ; Zheng, Junjun 1 ; Jiang, Hua 3 ; Rao, Yuchun 4 ; Zeng, Dali 2 ; Hu, J 1 ;

作者机构： 1.Hangzhou Normal Univ, Coll Life & Environm Sci, 16 Xiasha Rd, Hangzhou 310036, Zhejiang, Peoples R China

2.China Natl Rice Res Inst, State Key Lab Rice Biol, 359 Tiyu Rd, Hangzhou 310006, Zhejiang, Peoples R China

3.Zhejiang Acad Agr Sci, 298 Deshengzhong Rd, Hangzhou 310021, Zhejiang, Peoples R China

4.Zhejiang Normal Univ, Coll Chem & Life Sci, 688 Yingbin Rd, Jinhua 321004, Zhejiang, Peoples R China

关键词： Rice; Cadmium stress; Proteomic; Phosphorylation; Differentially expressed protein

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.291； 五年影响因子：6.393 ）

ISSN： 0147-6513

年卷期： 2019 年 180 卷

页码：

收录情况： SCI

摘要： Cadmium (Cd) is one of the most toxic heavy metals, and its accumulation in plants will seriously affect growth and yield. In this study, Cd-sensitive line D69 and Cd-tolerant line D28 were selected, which the Cd content of D28 was higher than D69 in both above and underground parts after Cd treatment. Using a combination of two-dimensional gel electrophoresis (2-DE) and MALDI-TOF-TOF MS/MS, the differential expression changes of phosphorylated proteins between D69 and D28 in leaves were classified and analyzed after Cd treatment. A total of 53 differentially expressed phosphoproteins were identified, which mainly involved in metabolism, signal transduction, gene expression regulation, material transport, and membrane fusion. The phosphorylated proteins of Cd-tolerant and Cd-sensitive lines were all analyzed, and found that some proteins associated with carbon metabolism, proteolytic enzymes, F-box containing transcription factors, RNA helicases, DNA replication/ transcription/repair enzymes and ankyrins were detected in Cd-tolerant line D28, which might alleviate the abiotic stress caused by Cd treatment. These results will clarify the phosphorylated pathways in response and resistance to Cd stress in rice.

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