Rapid inversion of the prevalences of macrolide resistance phenotypes paralleled by a diversification of T and emm types among Streptococcus pyogenes in Portugal

被引:23
作者
Silva-Costa, C [1 ]
Ramirez, A [1 ]
Meto-Cristino, J [1 ]
机构
[1] Inst Mol Med, Microbiol Lab, Mol Microbiol & Infect Unit, Lisbon Fac Med, P-1649028 Lisbon, Portugal
关键词
D O I
10.1128/AAC.49.5.2109-2111.2005
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
In Portugal erythromycin resistance of 26.6% (n = 352) remained constant during 1998 to 2003, however in 1998 the MLSB phenotype dominated (85%), whereas in 2003 the M phenotype prevailed (77%). A decline in T12/emm22 MLSB isolates could partially explain the drop in this phenotype, but the rise of the M phenotype was not due to clonal expansion.
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页码:2109 / 2111
页数:3
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