Leaf senescence and activities of the antioxidant enzymes |
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Authors: | D Procházková N Wilhelmová |
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Institution: | (1) Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Na Karlovce 1a, Prague 6, CZ-16000, Czech Republic |
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Abstract: | Senescence is a genetically regulated process that involves decomposition of cellular structures and distribution of the products
of this degradation to other plant parts. Reactions involving reactive oxygen species are the intrinsic features of these
processes and their role in senescence is suggested. The malfunction of protection against destruction induced by reactive
oxygen species could be the starting point of senescence. This article reviews biochemical changes during senescence in relation
to reactive oxygen species and changes in antioxidant protection. |
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Keywords: | ageing enzymatic antioxidants lipid peroxidation non-enzymatic antioxidants oxidative stress |
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