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A mutation affecting ASCORBATE PEROXIDASE 2 gene expression reveals a link between responses to high light and drought tolerance

Rossel, Jan Bart; Walter, Philippa; Hendrickson, Luke; Chow, Wah S (Fred); Poole, Andrew; Mullineaux, Philip M; Pogson, Barry

Description

Molecular analyses of plants have revealed a number of genes whose expression changes in response to high light (HL), including the H2O2 scavenger, ASCORBATE PEROXIDASE 2 (APX2). We carried out a screen in Arabidopsis thaliana for lesions that alter HL-induced expression of APX2 to identify components in abiotic stress signalling pathways. High light was used as it can be instantaneously applied or removed and accurately measured. We identified a number of alx mutations causing altered APX2...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/84767
Source: Plant Cell and Environment
DOI: 10.1111/j.1365-3040.2005.01419.x

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