Abstract
We report the preliminary characterization of a 6.7-kilobase transposon, Tn4201, encoding resistance to penicillin associated with the conjugative plasmid pCRG1600 in Staphylococcus aureus. Tn4201 is capable of inverting in orientation (frequently observed in derivatives of pCRG1600) and is expressed equally well in either orientation. The element is also capable of movement to alternative plasmid and chromosomal sites. Tn4201 exhibits rec-independent transposition in an apparent site-specific manner and may play an important role in the resistance of staphylococci to beta-lactam compounds.
MeSH Terms
Anti-Bacterial Agents/pharmacology
Chromosome Inversion
Chromosome Mapping
Cloning, Molecular
DNA Restriction Enzymes
DNA Transposable Elements
DNA, Bacterial/analysis
Drug Resistance, Microbial
Electrophoresis, Agar Gel
Nucleic Acid Hybridization
Penicillin Resistance/genetics
R Factors
Staphylococcus aureus/drug effects,enzymology,genetics
Transduction, Genetic
beta-Lactamases/genetics
beta-Lactams
Chemicals
Anti-Bacterial Agents
DNA Transposable Elements
DNA, Bacterial
beta-Lactams
DNA Restriction Enzymes
beta-Lactamases
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Weber D A
Department of Medical Microbiology, Creighton University School of Medicine, Omaha, Nebraska 68178.
Goering R V
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