Prevalence and Characterization of the Mechanisms of Macrolide, Lincosamide, and Streptogramin Resistance in Isolates of Streptococcus pneumoniae

Author:

Johnston Nicole J.1,de Azavedo Joyce C.1,Kellner James D.2,Low Donald E.1

Affiliation:

1. Department of Microbiology, Mount Sinai and Princess Margaret Hospitals, and the University of Toronto, Toronto, Ontario,1 and

2. Alberta Children’s Hospital and the University of Calgary, Calgary, Alberta,2 Canada

Abstract

ABSTRACT Of a total of 147 erythromycin-resistant Streptococcus pneumoniae isolates, 64 (43.5%) were resistant to erythromycin, clindamycin, and streptogramin B (MLS B phenotype), 57 of which possessed the ermB gene. Eighty-two (55.8%) were resistant to erythromycin alone (M phenotype), 81 of which possessed the mefE gene. One was erythromycin and streptogramin B resistant but susceptible to clindamycin (MS phenotype) and possessed neither the erm gene nor the mefE gene.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference10 articles.

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