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Elsevier, International Journal of Antimicrobial Agents, 6(35), p. 590-592

DOI: 10.1016/j.ijantimicag.2010.02.010

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Prevalence and molecular mechanism of macrolide resistance in β-haemolytic streptococci in The Netherlands

Journal article published in 2010 by C. C. Van Leer Buter, J. W. Mouton ORCID, C. H. W. Klaassen, C. M. A. Handgraaf, S. Sunnen, W. J. G. Melchers, P. D. J. Sturm
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This paper is available in a repository.

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Abstract

The prevalence of resistance to erythromycin and clindamycin as well as the presence of the resistance genes mef(A), mef(E), erm(A) and erm(B) were determined in 1076 consecutive isolates of beta-haemolytic streptococci of Lancefield groups A (n=219), B (n=562),C (n=58) and G (n=237) collected during 2005 and 2006. The prevalence of macrolide resistance was highest in group C streptococci (6.9%), followed by group B (5.3%), group G (4.6%) and group A (1.4%). Eighty-eight percent of resistance was mediated by erm(A) and erm(B) genes. Macrolide resistance in beta-haemolytic streptococci in The Netherlands is low, but increasing macrolide resistance was observed in group B streptococci.