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Antimicrobial agents and chemotherapy

Mechanisms of macrolide resistance among Streptococcus pneumoniae isolates from Russia.


PMID 18378707

Abstract

Among 76 macrolide-nonsusceptible Streptococcus pneumoniae isolates collected between 2003 and 2005 from Central Russia, the resistance mechanisms detected in the isolates included erm(B) alone (50%), mef alone [mef(E), mef(I), or a different mef subclass; 19.7%], or both erm(B) and mef(E) (30.3%). Isolates with dual resistance genes [erm(B) and mef(E)] belonged to clonal complex CC81 or CC271.