Redox proteomics in the mussel, Mytilus edulis

被引：32
|
作者：
McDonagh, B. [1 ]
Tyther, R. [1 ]
Sheehan, D. [1 ]
机构：
[1] Natl Univ Ireland Univ Coll Cork, Environm Res Inst, Dept Biochem, Proteom Res Grp, Cork, Ireland
来源：
MARINE ENVIRONMENTAL RESEARCH | 2006年 / 62卷
关键词：
carbonylation; glutathione; oxidative stress; proteomics; Mytilus edulis; actin;
D O I：
10.1016/j.marenvres.2006.04.001
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Pollutants (e.g. PAHs, metals) cause oxidative stress (OS) by forming reactive oxygen species. Redox proteomics provides a means for identifying protein-specific OS effects in Mytilus edulis. Groups of mussels were sampled from a clean site in Cork Harbour, Ireland and exposed to 1 mM H2O2 in holding tanks. Protein extracts of gill and digestive gland were separated by two dimensional electrophoresis and similar protein expression profiles were found. Effects of OS on disulphide bridge patterns were investigated in diagonal gels by separating proteins in non-reducing conditions followed by a second reducing dimension. Immunoprecipitation selected carbonylated and glutathionylated proteins. These methodologies can contribute to redox proteomic studies of pollutant responses in marine organisms. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：S101 / S104
页数：4
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