The biochemistry and cell biology of photorespiration |
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Authors: | Nancy N. Artus Shauna C. Somerville Christopher R. Somerville George H. Lorimer |
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Affiliation: | 1. MSU‐DOE Plant Research Laboratory , Michigan State University , East Lansing, Michigan;2. Department of Central Research and Development , E.I. Du Pont de Nemours and Co. , Wilmington, Delaware |
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Abstract: | Since the discovery of RuBP oxygenase activity more than a decade ago, our understanding of the sequence of metabolic events associated with photorespiratory activity in C3 plants has matured considerably. A coherent model of photorespiratory metabolism has been substantiated by a wide variety of experimental approaches and most photorespiratory phenomena can be satisfactorily explained. By contrast, the issues pertaining to the regulation of photorespiratory activity by genetic or chemical means have not been resolved. In addition, the wealth of biochemical, physiological, and genetic information available about photorespiratory metabolism offers as yet unexploited opportunities to investigate the complex cellular processes which organize and coordinate a series of reactions in three distinct metabolic compartments in leaf cells. |
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