期刊
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
卷 48, 期 5, 页码 1670-1675出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.48.5.1670-1675.2004
关键词
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A chromosome-encoded beta-lactamase gene from Shewanella algae clinical isolate KB-1 was cloned and expressed in Escherichia coli. It encoded the Ambler class D enzyme OXA-55, sharing less than 55% identity with any other oxacillinases. Although conferring a narrow-spectrum beta-lactam resistance phenotype, OXA-55 had carbapenem-hydrolyzing activity that mirrored the reduced susceptibility to imipenem observed in S. algae KB-1. Very similar oxacillinases were found in other S. algae isolates.
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