Resistance to Cefepime and Cefpirome Due to a 4-Amino-Acid Deletion in the Chromosome-Encoded AmpC β-Lactamase of a Serratia marcescens Clinical Isolate
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چکیده
منابع مشابه
Mutation in Serratia marcescens AmpC beta-lactamase producing high-level resistance to ceftazidime and cefpirome.
Starting from a clinical isolate of Serratia marcescens that produced a chromosomally encoded AmpC beta-lactamase inducibly, we isolated by stepwise selection two laboratory mutants that showed high levels of resistance to some cephalosporins. The 98R mutant apparently overproduced the unaltered beta-lactamase constitutively, but the 520R mutant produced an altered enzyme, also constitutively. ...
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ژورنال
عنوان ژورنال: Antimicrobial Agents and Chemotherapy
سال: 2004
ISSN: 0066-4804,1098-6596
DOI: 10.1128/aac.48.3.716-720.2004