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Journal of Experimental Botany, Vol. 53, No. 372, pp. 0, May 15, 2002
© 2002 Oxford University Press

Preface

Nick Smirnoff

Exeter

Reactive oxygen species (ROS) and the antioxidants that control them are relevant to many areas of plant biology. ROS (e.g. superoxide, hydrogen peroxide and hydroxyl radicals) are generated when metabolism interacts with oxygen. ROS can damage proteins, DNA and lipids, potentially disrupting cell function and causing mutations. Oxidative damage is also exacerbated by environmental stresses as diverse as drought, high salinity, temperature extremes, excess light, UV-B radiation, toxic metals, and air . . . [Full Text of this Article]


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