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Characterization of a New Extended-spectrum Beta-lactamase (TEM-87) Isolated in Proteus Mirabilis During an Italian Survey

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Specialty Pharmacology
Date 2002 Feb 19
PMID 11850290
Citations 9
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Abstract

A new natural TEM derivative, named TEM-87, was identified in a Proteus mirabilis isolate from an Italian hospital. Compared to TEM-1, TEM-87 contains the following mutations: E104K, R164C, and M182T. Kinetic analysis of TEM-87 revealed extended-spectrum activity against oxyimino cephalosporins (preferentially ceftazidime) and aztreonam. Expression of blaTEM-87 in Escherichia coli decreased the host susceptibility to these drugs.

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