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A molecular genetic analysis of the role of the Arabidopsis CO gene in the control of flowering by daylength

Reference	PMB00584
Principal Investigator / Supervisor	Professor George Coupland
Co-Investigators / Co-Supervisors
Institution	John Innes Centre
Department	John Innes Centre Department
Funding type	Research
Value (£)	29,600
Status	Completed
Type	Research Grant
Start date	01/05/1993
End date	01/05/1997
Duration	48 months

Abstract

Arabidopsis is a facultative long-day plant which flowers much earlier under long than short days. Mutants at the co locus appear day neutral because they flower later than wild-type plants under long days but both flower at the same time under short days. We have isolated CO (the wild-type gene) on a 350kb segment of the Arabidopsis genome which we have cloned in YAC vectors. During PMB2 we propose to complete the isolation of CO and to sequence the gene. We will then determine how its expression is temporally related to floral induction, in which tissues this occurs and the effect of modifying its expression with in vitro constructed derivatives of CO. In parallel we will identify genes which interact with CO by screening for and characterising mutations which affect the co phenotype.

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	Plant Molecular Biology II (PM2) [1986]
Funding Scheme	X – not Funded via a specific Funding Scheme

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