期刊
RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY
卷 173, 期 -, 页码 S13-S19出版社
ELSEVIER
DOI: 10.1016/j.resp.2010.02.007
关键词
Oxygen; Reactive oxygen species; Redox homeostasis; Ascorbate; Ascorbate peroxidase
资金
- Italian Ministry of University and Research [20084XTFBC_001]
Plants are not only obligate aerobic organisms requiring oxygen for mitochondrial energy production, but also produce oxygen during photosynthesis Therefore, plant cells have to cope with a hyperoxic cellular environment that determines a production of reactive oxygen species (ROS) higher than the one occurring in animal cells In order to maintain redox homeostasis under control, plants evolved a particularly complex and redundant ROS-scavenging system, in which enzymes and metabolites are linked in a network of reactions This review gives an overview of the mechanisms active in plant cells for controlling redox homeostasis during optimal growth conditions. when ROS are produced in a steady-state low amount, and during stress conditions, when ROS production is increased Particular attention is paid to the aspects of oxygen/ROS management for which plant and animal cells differ. (C) 2010 Elsevier B V All rights reserved
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