Mutation K42R in ribosomal protein S12 does not affect susceptibility of Mycobacterium smegmatis 16S rRNA A-site mutants to 2-deoxystreptamines.
basic_science · Level V
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- Record sourced from PubMed, PMID 20700526.
- Also identified by DOI 10.1371/journal.pone.0011960 and PMC identifier PMC2151042.
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Abstract
Recent studies have suggested that ribosomal protein S12 modulates 16S rRNA function and susceptibility to 2-deoxystreptamine aminoglycosides. To study whether the non-restrictive K42R mutation in RpsL affects 2-deoxystreptamine susceptibility in Mycobacterium smegmatis, we studied the drug susceptibility pattern of various mutants with genetic alterations in the 16S rRNA decoding A-site in the context of wild-type and mutant protein S12. RpsL K42R substitution was found not to affect the drug resistance pattern associated with mutational alterations in 16S rRNA H44.