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Signal transduction coupling photoreception by CRY1 to CHS transcription in Arabidopsis

ReferenceC07777
Principal Investigator / Supervisor Professor Gareth Islwyn Jenkins
Co-Investigators /
Co-Supervisors
Professor Marc Knight
Institution University of Glasgow
DepartmentIBLS Division of Biochemistry & Molecula
Funding typeResearch
Value (£) 185,530
StatusCompleted
TypeResearch Grant
Start date 30/09/1997
End date 29/10/2003
Duration73 months

Abstract

We will: 1. Investigate directly the involvement of particular cellular calcium pools in signal transduction initiated by UV-A/blue light absorption by the Arabidopsis CRY1 photoreceptor, using an Arabidopsis cell culture expressing targeted aequorin fusions. 2. Relate calcium signalling to the CRY1 photoreceptor, and to transcription of the Arabidopsis chalcone synthase gene (CHS), using selected aequorin fusions in a CRY1 -deficient hy4 mutant cell culture and transformation of the cells with the HY4 (CRY1) gene. 3. Investigate the cellular location of CRY1 using an epitope-tagged fusion. 4. Investigate the function of the C-terminal domain of CRY1 in initiating calcium signalling and CHS expression by introducing mutant HY4 fusions into hy4 cells.

Summary

unavailable
Committee Closed Committee - Biochemistry & Cell Biology (BCB)
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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