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Excision and insertion of pathogenicity islands in Pseudomonas savastanoi: the avrPphB model

Reference	P15615
Principal Investigator / Supervisor	Professor Dawn Arnold
Co-Investigators / Co-Supervisors	Professor John Mansfield, Dr A Vivian
Institution	University of the West of England
Department	Faculty of Health and Applied Sciences
Funding type	Research
Value (£)	164,200
Status	Completed
Type	Research Grant
Start date	07/01/2002
End date	07/01/2005
Duration	36 months

Abstract

Pathogenicity islands (PAIs) are frequently found in bacterial pathogens of animals, inserted at tRNA genes. The first example of such an insertion in a plant pathogen involves race variants, which arise during incompatible interactions between Pseudomonas savastanoi pv. phaseolicola race 4 strain HRI 1302A and bean (Phaseolus vulgaris) cv. Tendergreen. This chromosomal PAI includes the avirulence gene avrPphB and is bounded by tRNA genes. This project will determine the precise extent, sequence and function of genes in the PAI. The avrPphB model will permit determination of: (1) conditions for excision; (2) potential for independent plasmid existence; (3) role of insertion events in horizontal avr/vir gene transfer among phytopathogenic bacteria.

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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