An Escherichia coli strain with decreased susceptibility to carbapenems was isolated from a hospitalised patient in Athens, Greece. The strain was resistant to all beta-lactarns, including aztreonam, whereas the MIC of imipenem and meropenem was 0.5 mg/L. A positive EDTA-disk synergy test suggested the production of a metallo-beta-lactamase. PCR experiments revealed the presence of the bla(VIM-2), bla(IBC-1) and bla(TEM-1) genes. Resistance to beta-lactams was not transferable by conjugation. This is the first report of a clinical isolate of E. coli producing VIM-2, and the first report of the coexistence of bla(VIM-2) and bla(IBC-1) in a single clinical isolate.
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Inst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, SpainInst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, Spain
Oteo, Jesus
Perez-Vazquez, Maria
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Inst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, SpainInst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, Spain
Perez-Vazquez, Maria
Campos, Jose
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Inst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, Spain
CSIC, Madrid, SpainInst Salud Carlos III, Ctr Nacl Microbiol, Bacteriol Serv, Antibiot Lab, Madrid 28220, Spain