Article
Methylation of 23S rRNA nucleotide G748 by RlmAII methyltransferase renders Streptococcus pneumoniae telithromycin susceptible.
Antimicrobial agents and chemotherapy - 1 Aug 2013
Takaya Akiko, Sato Yoshiharu, Shoji Tatsuma, Yamamoto Tomoko
Abstract excerpt
Several posttranscriptional modifications of bacterial rRNAs are important in determining antibiotic resistance or sensitivity. In all Gram-positive bacteria, dimethylation of nucleotide A2058, located in domain V of 23S rRNA, by the dimethyltransferase Erm(B) results in low susceptibility and resistance to telithromycin (TEL). However, this is insufficient to produce high-level resistance to TEL in Streptococcus...
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