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Plant Biotechnol J. 2003 Jan;1(1):3-22.

The molecular analysis of leaf senescence--a genomics approach.

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1
Product Quality Team, Horticulture Research International, Wellesbourne, Warwick, UK. vicky.b-wollaston@hri.ac.uk

Abstract

Senescence in green plants is a complex and highly regulated process that occurs as part of plant development or can be prematurely induced by stress. In the last decade, the main focus of research has been on the identification of senescence mutants, as well as on genes that show enhanced expression during senescence. Analysis of these is beginning to expand our understanding of the processes by which senescence functions. Recent rapid advances in genomics resources, especially for the model plant species Arabidopsis, are providing scientists with a dazzling array of tools for the identification and functional analysis of the genes and pathways involved in senescence. In this review, we present the current understanding of the mechanisms by which plants control senescence and the processes that are involved.

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