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. 1987;55(2-3):319-25.
doi: 10.1016/0378-1119(87)90291-5.

Expression of the macrolide-lincosamide-streptogramin-B-resistance methylase gene, ermE, from Streptomyces erythraeus in Escherichia coli results in N6-monomethylation and N6,N6-dimethylation of ribosomal RNA

L Katz  1 , D Brown, K Boris, J Tuan
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Expression of the macrolide-lincosamide-streptogramin-B-resistance methylase gene, ermE, from Streptomyces erythraeus in Escherichia coli results in N6-monomethylation and N6,N6-dimethylation of ribosomal RNA

L Katz et al. Gene. 1987.

Abstract

The ermE gene was cloned from Streptomyces erythraeus into Escherichia coli on a series of plasmids. When transcribed from the lac promoter, ermE conferred high-level resistance to erythromycin and other macrolide-lincosamide-streptogramin-B (MLS) antibiotics. A methylase activity capable of N6-mono- and N6,N6-dimethylation of adenine residues in E. coli rRNA was detected in extracts of MLS-resistant cells. In addition, rRNA extracted from MLS-resistant E. coli contained N6-mono- and N6,N6-dimethylated adenine residues.

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