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The genetic control of the supression of self incompatability in Brassica napus

Reference	BBS/E/J/0000A012
Principal Investigator / Supervisor	Professor Ian Bancroft
Co-Investigators / Co-Supervisors
Institution	John Innes Centre
Department	John Innes Centre Department
Funding type	Research
Value (£)	11,167
Status	Completed
Type	Institute Project
Start date	01/10/2000
End date	30/09/2003
Duration	36 months

Abstract

In flowering plants, self-incompatibility (SI) is a genetically controlled system that recognises and rejects self pollen. In diploid Brassica species SI is the wild-type state and its specificity is controlled by the S-locus. Oilseed rape cultivars (amphidiploid B. napus) are self- compatible, but resynthesised B. napus lines can often express SI phenotypes of varying strengths. We hypothesise that expression of a latent SI system in B. napus is suppressible by at least two pairs of homoeologous gene loci of unknown function(s). The objectives of the project are to Investigate this model of the genetic control of suppression of SI Enable a fine genetic mapping strategy through marker- assisted selection of appropriate parental genotypes and construction of appropriate population(s) To attempt to isolate candidate genes by positional (comparative) cloning, exploiting the Arabidopsis genome sequence It will provide training in modern genetic mapping and plant molecular biology and may have application to hybrid seed production.

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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