Label-free quantitative proteomics analysis of cotton leaf response to nitric oxide
文献类型: 外文期刊
作者: Meng, Yanyan 1 ; Liu, Feng 1 ; Pang, Chaoyou 1 ; Fan, Shuli 1 ; Song, Meizhen 1 ; Wang, Dan 1 ; Li, Weihua 1 ; Yu, Shuxun 1 ;
作者机构: 1.State Key Laboratory of Cotton Biology, Cotton Research Institute, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan Province, China
2.National Center of Biomedical Analysis, Beijing, China
3.College of Agronomy, Northwest Sci-Tech University of Agriculture and Forest, Yangling, P. R. China
关键词: cotton;label-free;leaf;nitric oxide;proteomics
期刊名称:JOURNAL OF PROTEOME RESEARCH ( 影响因子:4.466; 五年影响因子:4.352 )
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收录情况: SCI
摘要: To better understand nitric oxide (NO) responsive proteins, we investigated the proteomic differences between untreated (control), sodium nitroprusside (SNP) treated, and carboxy-PTIO potassium salt (cPTIO, NO scavenger) followed by SNP treated cotton plants. This is the first study to examine the effect of different concentrations of NO on the leaf proteome in cotton using a label-free approach based on nanoscale ultraperformance liquid chromatography-electrospray ionization (ESI)-low/high-collision energy MS analysis (MSE). One-hundred and sixty-six differentially expressed proteins were identified. Forty-seven of these proteins were upregulated, 82 were downregulated, and 37 were expressed specifically under different conditions. The 166 proteins were functionally divided into 17 groups and localized to chloroplast, Golgi apparatus, cytoplasm, and so forth. The pathway analysis demonstrated that NO is involved in various physiological activities and has a distinct influence on carbon fixation in photosynthetic organisms and photosynthesis. In addition, this is the first time proteins involved in ethylene synthesis were identified to be regulated by NO. The characterization of these protein networks provides a better understanding of the possible regulation mechanisms of cellular activities occurring in the NO-treated cotton leaves and offers new insights into NO responses in plants.
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