Molecular characterisation of antibiotic resistance genes in Salmonella enterica and Escherichia coli recovered from food-producing animals and humans.

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Antibiotic resistance is an accelerating global problem. Antibiotic resistance genes are located on mobile genetic elements which can be horizontally transferred between distantly related bacteria. It is becoming increasingly apparent that healthy humans carry populations of resistant bacteria as part of the normal microbial flora. This project will characterise the antibiotic resistance gene arrangements among populations of bacteria which belong to the Enterobacteriaceae. These resistant bacteria represent a threat to human and veterinary health because they are readily ingested as part of the food chain and represent reservoirs for the spread of antibiotic resistance genes to pathogens.