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Leaf senescence and activities of the antioxidant enzymes

Authors
  • Procházková, D.1
  • Wilhelmová, N.1
  • 1 Academy of Sciences of the Czech Republic, Institute of Experimental Botany, Na Karlovce 1a, Prague 6, CZ-16000, Czech Republic , Prague 6 (Czechia)
Type
Published Article
Journal
Biologia Plantarum
Publisher
Kluwer Academic Publishers-Consultants Bureau
Publication Date
Sep 01, 2007
Volume
51
Issue
3
Pages
401–406
Identifiers
DOI: 10.1007/s10535-007-0088-7
Source
Springer Nature
Keywords
License
Yellow

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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