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Microb Drug Resist. 2005 Winter;11(4):351-4.

CTX-M-1 extended-spectrum beta-lactamase-producing Proteus mirabilis in Greece.

Author information

1
Department of Microbiology, Hippokration University Hospital, 546 42 Thessaloniki, Greece.

Abstract

To examine the dissemination of CTX-M-type extended-spectrum beta-lactamases (ESBLs) in clinical isolates of Proteus mirabilis, 91 nonrepetitive ESBL-producing P. mirabilis were collected from infected patients in a tertiary Greek hospital during September, 2001, to May, 2004. A bla (CTX-M) gene was amplified in one isolate (strain A328), but bla (CTX-M) was not detected in any of the remaining ESBL producers. Sequencing results showed that P. mirabilis A328 produced a CTX-M-1 enzyme while PCR mapping of the genetic element carrying bla (CTX-M-1) revealed that the gene was located downstream of an ISEcp1B element. The cefotaxime resistance determinant was easily transferable and carried on a 70-kb plasmid. The emergence of CTX-M-1- producing P. mirabilis indicates the need for early recognition of such strains to be able to control their spread in our hospital and community environment.

PMID:
16359194
DOI:
10.1089/mdr.2005.11.351
[Indexed for MEDLINE]

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