The review focuses on the mechanisms employed by plant vacuoles for maintaining the redox homeostasis under generation of reactive oxygen species (ROS) promoted by various abiotic stressors. These mechanisms are based on functioning of diverse enzymes and transport systems of the tonoplast as well as on vacuole-specific redox reactions involving vacuolar antioxidants of enzymatic and non-enzymatic nature. The established antioxidant role of plant vacuoles provides a clear example of closely integrated activities of this organelle with the metabolism of other cell parts.
Russian Journal of Plant Physiology – Springer Journals
Published: Aug 16, 2012
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