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Transferable resistance to trimethoprim in enteric pathogens isolated in Kuwait
Published online by Cambridge University Press: 19 October 2009
Summary
Trimethoprim resistance was seen in 14·8% of 500 strains of salmonella, 43·1% of 153 strains ofshigella and 59% of 27 strains of Escherichia coli isolated from stools of patients with diarrhoea. Strains with a high level of trimethoprim resistance (MIC of ≥ 512 μg) were subjected to conjugal transfer. Trimethoprim resistance was plasmid-mediated in all of 42 strains of shigella and 12 strains of E. coli examined. However, 2 of the 47 strains of salmonella could not transfer their trimethoprim resistance either directly or by mobilization with the transfer factors X and Δ both at 37 and 25 °C overnight incubation.
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- Copyright © Cambridge University Press 1985
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