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The role of N-(3-oxohexanoyl) homoserine lactone in regulating the secondary metabolism and virulence of Aeromonas species

ReferenceS01755
Principal Investigator / Supervisor Dr G Stewart
Co-Investigators /
Co-Supervisors
Professor Paul Williams
Institution University of Nottingham
DepartmentSch of Biosciences
Funding typeResearch
Value (£) 147,382
StatusCompleted
TypeResearch Grant
Start date 01/10/1994
End date 01/10/1997
Duration36 months

Abstract

Aeromonas hydrophilia and Aeromonas salmonicida are important pathogens of both humans and fish which produce extracellular virulence factors including haemolysins, cytotoxins and proteases. At the University of Nottingham we have discovered that both species of Aeromonas produce N-(3-Oxohexanoyl) homoserine lactone (HSL), a signalling molecule that controls the expression of extracellular virulence determinants in Pseudomonas and Erwinia. We propose to define at the molecular level the basis of HSL production in Aeromonas and to study in detail both the regulatory genes and structural genes from HSL regulated operons. This programme will provide entirely novel insights into the expression of Aeromonas virulence determinants and will present new opportunities for biological control of the organism.

Summary

unavailable
Committee Closed Committee - Animal Sciences (AS)
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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