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Role of reactive oxygen species in stress-induced signalling for APX2 gene expression in Arabidopsis

ReferenceP11455
Principal Investigator / Supervisor Professor Neil R Baker
Co-Investigators /
Co-Supervisors
Professor Christopher Cooper, Prof. Phillip Mullineaux
Institution University of Essex
DepartmentBiological Sciences
Funding typeResearch
Value (£) 272,158
StatusCompleted
TypeResearch Grant
Start date 01/10/1999
End date 01/10/2002
Duration36 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 TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative X - not in an Initiative
Funding SchemeX – not Funded via a specific Funding Scheme
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