Article
Sequential steps of daptomycin resistance in Enterococcus faecium and reversion to hypersusceptibility through IS-mediated inactivation of the liaFSR operon.
The Journal of antimicrobial chemotherapy - 1 Oct 2016
Sinel Clara, Cosquer Thibaud, Auzou Michel, Goux Didier, Giard Jean-Christophe, Cattoir Vincent
Abstract excerpt
OBJECTIVES: To improve understanding of mechanisms of daptomycin resistance and to dissect the genetic basis of reversion to daptomycin hypersusceptibility in Enterococcus faecium. METHODS: Daptomycin-resistant mutants (Mut4, Mut8, Mut16, Mut32, Mut64 and Mut128 with MICs from 4 to 128 mg/L) were obtained in vitro from E. faecium strain Aus0004 (MIC at 2 mg/L). The entire genome sequences of Mut64 and Mut128 were...
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