Abstract
Extended-spectrum beta-lactamase (ESBL) production was demonstrated in five independent, multidrug-resistant isolates of enteroaggregative Escherichia coli (EAEC) from the United Arab Emirates, representing 11.3% of the EAEC isolates recovered during 1 year. All five isolates carried the bla(CTX-M-15) and the bla(TEM-1) genes, the former positioned 48 bp downstream of an ISecp1 element. In two isolates, the bla(CTX-M-15 )and bla(TEM-1) genes were located on a 95-kb plasmid. This is the first detailed description and characterisation of ESBL production in enteroaggregative E. coli and also the first report of CTX-M-producing organisms encountered on the Arabian Peninsula.
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