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Preadaptation of Listeria monocytogenes for enhanced virulence involves CpG DNA methylation

ReferenceD11599
Principal Investigator / Supervisor Professor Catherine Rees
Co-Investigators /
Co-Supervisors
Dr Philip Hill
Institution University of Nottingham
DepartmentSch of Biosciences
Funding typeResearch
Value (£) 147,934
StatusCompleted
TypeResearch Grant
Start date 06/06/1999
End date 06/09/2002
Duration39 months

Abstract

L. monocytogenes is an intracellular, pathogen that causes severe food-borne infections (listeriosis) following the ingestion of contaminated foods. It is unknown why serotypes (such as 4b and 1/2) are more likely to cause infection and are normally associated with large scale outbreaks of listeriosis. We have recently found that these pathogenic serotypes of this bacteria possess a CpG DNA methylation system which produces populations of cells with differing levels of methylation which correlate directly with virulence potential. This project aims to investigate the genetic mechanism controlling this phenomenon and its role in generating populations of bacteria with variable phenotypic traits.

Summary

unavailable
Committee Closed Committee - Agri-food (AF)
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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