Article
16S rRNA Mutations That Confer Tetracycline Resistance inHelicobacter pyloriDecrease Drug Binding inEscherichia coliRibosomes
18 May 2005
Abstract excerpt
Tetracycline resistance in clinical isolates of Helicobacter pylori has been associated with nucleotide substitutions at positions 965 to 967 in the 16S rRNA. We constructed mutants which had different sequences at 965 to 967 in the 16S rRNA gene present on a multicopy plasmid in Escherichia coli strain TA527, in which all seven rrn genes were deleted. The MICs for tetracycline of all mutants having single,...
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