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Role of reactive oxygen species in stress-induced signalling for APX2 gene expression in Arabidopsis
Reference
P11455
Principal Investigator / Supervisor
Professor Neil R Baker
Co-Investigators /
Co-Supervisors
Professor Christopher Cooper
,
Prof. Phillip Mullineaux
Institution
University of Essex
Department
Biological Sciences
Funding type
Research
Value (£)
272,158
Status
Completed
Type
Research Grant
Start date
01/10/1999
End date
01/10/2002
Duration
36 months
Abstract
The role of active oxygen species in the environmental stress-induced signalling associated with the expression of a cytosolic ascorbate peroxidase gene, APX2, in Arabidopsis will be studied using mutants and transgenic lines. A multidisciplinary approach integrating non-invasive fluorescence and EPR spectroscopic analyses of physiological stress and radical production with antioxidant metabolite analyses and assays of APX2 gene expression will be undertaken. Sites of the onset of oxidative stress and APX2 gene expression in leaves and the heterogeneity of these responses will de determined using high resolution fluorescence imaging. The role of photorespiration in this signalling will also be examined.
Summary
unavailable
Committee
Closed Committee - Plant & Microbial Sciences (PMS)
Research Topics
X – not assigned to a current Research Topic
Research Priority
X – Research Priority information not available
Research Initiative
X - not in an Initiative
Funding Scheme
X – not Funded via a specific Funding Scheme
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