Article
Inducible or constitutive expression of resistance in clinical isolates of streptococci and enterococci cross-resistant to erythromycin and lincomycin
1 Apr 1999
Abstract excerpt
Thirty-five of 40 clinical isolates of enterococci and streptococci cross-resistant to erythromycin and lincomycin and harbouring erm genes were inducibly resistant to these drugs, suggesting that ribosomal methylation is predominantly inducibly expressed in these bacterial genera. Regulatory regions located upstream of the erm genes of four inducible and three constitutive strains were amplified and sequenced....
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