Journal
PHYTOCHEMISTRY
Volume 72, Issue 10, Pages 1124-1135Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2010.11.023
Keywords
Membrane-bound class III peroxidases; Oxidative stress; Plasma membrane; Plant proteomics; Tonoplast
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Funding
- Deutsche Forschungsgemeinschaft (DFG)
- University of Hamburg
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Peroxidases are key player in the detoxification of reactive oxygen species during cellular metabolism and oxidative stress. Membrane-bound isoenzymes have been described for peroxidase superfamilies in plants and animals. Recent studies demonstrated a location of peroxidases of the secretory pathway (class III peroxidases) at the tonoplast and the plasma membrane. Proteomic approaches using highly enriched plasma membrane preparations suggest organisation of these peroxidases in microdomains, a developmentally regulation and an induction of isoenzymes by oxidative stress. Phylogenetic relations, topology, putative structures, and physiological function of membrane-bound class III peroxidases will be discussed. (C) 2010 Elsevier Ltd. All rights reserved.
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