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Understanding the role of plastid signalling pathways during de-etiolation in Arabidopsis
Reference
P17214
Principal Investigator / Supervisor
Professor Matthew Terry
Co-Investigators /
Co-Supervisors
Dr Alexandra McCormac
Institution
University of Southampton
Department
Centre for Biological Sciences
Funding type
Research
Value (£)
210,524
Status
Completed
Type
Research Grant
Start date
01/04/2002
End date
31/03/2005
Duration
36 months
Abstract
We have identified a novel plastid signalling pathway that results in the loss of expression of the nuclear genes HEMA1 and Lhcb following prolonged far-red light (FR) treatments. This response is additive with the loss of expression of these genes following plastid photobleaching. We propose to compare the output of these two plastid-signalling pathways by using DNA microarrays to determine the full complement of genes responsive to each signal. To identify components of the FR-mediated pathway we will screen known photomorphogenic and plastid-signalling mutants and utilise a variation on the genomes uncoupled (gun) mutant screen to isolate new mutants affected in FR-mediated loss of plastid signalling. The role of tetrapyrroles in both pathways will be analysed by reverse phase HPLC.
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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