Emergence of mupirocin resistance in multiresistant Staphylococcus aureus clinical isolates belonging to Brazilian epidemic clone III::B:A

Mupirocin is a topical antimicrobial agent that has been sucessfully used to eradicate methicillin-resistant Staphyiococcus aureus from the anterior nares and other sites of patients and health care personnel. This report describes the acquisition of a novel mupirocin resistance gene (ileS) by an epidemic MRSA clone that is geographically widespread in Brazil.