|"Hydrogen peroxide, H2O2 was applied on the whole rabidopsis plant to trigger thiol redox state alteration in order to obtain a proof-of-concept result for application of OxNSIL approach in plants. A total of 438 non-redundant biotin-tagged thiol- alkylated peptides representing 391 different cysteine-containing proteins were eventually obtained, among which 17 redox-sensitive biotin tag-labeled peptides were significantly altered by H2O2. Some well-known ROS-related proteins, such as Ferredoxins 1/2, RuBisCO large subunit, RuBisCO activase, and Fructose-bisphosphate aldolase 6/8 were also detected as the oxidation- sensitive thiol redox proteins. These results substantiate the usefulness of OxNSIL pproach in study of in plantaROS-induced cellular thiol redox state alterations.
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Citation: Hu Q, Guo G, Yang Z, Li Y, Xia Y (2014) Stable Isotope Metabolic Labeling-Based Quantitative Thiol Redox Proteomic Analysis of Hydrogen Peroxide-treated Arabidopsis plant. J Proteomics Bioinform 7: 121-133."