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Sfh-I, a subclass B2 metallo-beta-lactamase from a Serratia fonticola environmental isolate
Maria José Saavedra1, Luísa Peixe, João Carlos Sousa
1Departmento de Higiene e Sanidade, ICETA, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal.
Antimicrobial Agents and Chemotherapy
|June 25, 2003
Abstract:
An environmental isolate of Serratia fonticola resistant to carbapenems was shown to contain a genetic determinant encoding a metallo-beta-lactamase of the subclass B2. The Sfh-I enzyme exhibits some divergence from the previously characterized enzymes of this subclass. This is the first example of a naturally occurring metallo-beta-lactamase in Enterobacteriaceae.