Article
Identification of a novel keyhole phenotype in double-disk diffusion assays of clindamycin-resistant erythromycin-sensitive strains of Streptococcus agalactiae.
Microbial drug resistance (Larchmont, N.Y.) - 1 Mar 2011
Srinivasan Usha, Miller Brady, Debusscher Joan, Marrs Carl F, Zhang Lixin, Seo Yong Soo, Oh Kwan-Young, Kim Moon Young, Yoon Hye-Ryung, Kl Moran, Foxman Betsy
Abstract excerpt
Our objective was to characterize 46 unique, erythromycin-sensitive, and clindamycin-resistant Streptococcus agalactiae strains from S. Korea that displayed a novel phenotype in double-disk diffusion assay. We used polymerase chain reaction to determine presence of erythromycin and clindamycin resistance genes, disc diffusion assays to determine resistance phenotype, and microbroth dilution to determine minimal...
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