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A genetic and cytogenetic investigation of homocologous pairing and recombination in Brassica napus

ReferenceG18621
Principal Investigator / Supervisor Professor Michael Kearsey
Co-Investigators /
Co-Supervisors
Dr Elaine Howell, Dr G Jones, Professor Graham King
Institution University of Birmingham
DepartmentSch of Biosciences
Funding typeResearch
Value (£) 255,916
StatusCompleted
TypeResearch Grant
Start date 01/04/2003
End date 30/06/2006
Duration39 months

Abstract

We plan to locate and study the genetic effects of the gene(s) that control chromosome pairing in the natural amphidiploid species, Brassica napus (oilseed rape). Like most stable allopolypoids, B. napus restricts pairing and recombination to homologous chromosomes while homoeologous pairing is rare. In resynthesised B napus (used for introgressing genes of commercial importance into rape) in contrast, homoelogous pairing is common and causes problems with gamete formation and fitness. We intend to use doubled haploid lines from a cross between natural and resynthesised napus to study the pairing control. We will use molecular cytogenetic techniques (FISH, GISH) and marker genes to locate and analyse the genes concerned.

Summary

unavailable
Committee Closed Committee - Genes & Developmental Biology (GDB)
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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