JAC Advance Access originally published online on June 10, 2008
Journal of Antimicrobial Chemotherapy 2008 62(3):639-640; doi:10.1093/jac/dkn227
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© The Author 2008. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Research letters |
Susceptibility of 170 isolates of the USA300 clone of MRSA to macrolides, clindamycin and the novel ketolide cethromycin
1 Center for Biological Defence, College of Public Health, University of South Florida, 3602 Spectrum Boulevard, Tampa, FL 33612, USA 2 Advanced Life Sciences, 1440 Davey Road, Woodridge, IL 60517, USA
* Corresponding author. Tel: +1-813-974-3873; Fax: +1-813-974-1479; E-mail: vluna@health.usf.edu
Keywords: MIC , ketolide , antimicrobial activity
| The first 10% of the full text of this article appears below. |
Sir,
Historically, methicillin-resistant Staphylococcus aureus (MRSA) has been regarded as a nosocomial pathogen responsible for severe toxin-mediated disease or invasive pyogenic infections. In recent years, however, community-associated MRSA (CA-MRSA) has been reported from around the world. Although the first CA-MRSA strains were susceptible to most antimicrobials, antimicrobial resistance has increased. One CA-MRSA clone, identified by the CDC as pulsotype USA300, has been implicated in outbreaks within the USA and is resistant to many currently marketed antimicrobial agents.1 This clone carries both the SCCmec IV element and the Panton–Valentine leukocidin (PVL) locus. The aim of this study was to compare the activity of a novel ketolide, cethromycin (previously ABT-773), with potentially improved
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