Exploring the contribution of efflux on the resistance to fluoroquinolones in clinical isolates of Staphylococcus aureus.
- Autores: Amaral L, Costa SS, Couto I, Falcão C, Machado D, Martins M, Melo-Cristino J, Viveiros M
- Ano de Publicação: 2011
- Journal: BMC microbiology
- Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Exploring+the+contribution+of+efflux+on+the+resistance+to+fluoroquinolones+in+clinical+isolates+of+Staphylococcus+aureus.
BACKGROUND:
Antimicrobial resistance mediated by efflux systems is still poorly characterized in Staphylococcus aureus, despite the description of several efflux pumps (EPs) for this bacterium. In this work we used several methodologies to characterize the efflux activity of 52 S. aureus isolates resistant to ciprofloxacin collected in a hospital in Lisbon, Portugal, in order to understand the role played by these systems in the resistance to fluoroquinolones.
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