Reemergence of gentamicin-susceptible strains of methicillin-resistant Staphylococcus aureus in France: a phylogenetic approach |
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| Authors: | Blanc D S Francioli P Le Coustumier A Gazagne L Lecaillon E Gueudet P Vandenesch F Etienne J |
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| Affiliation: | Division autonome de médecine préventive hospitalière, CHU Vaudois, 1011 Lausanne, Switzerland. Dominique.Blanc@chuv.hospvd.ch |
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| Abstract: | The reemergence of gentamicin-susceptible (Gen(s)) methicillin-resistant Staphylococcus aureus (MRSA) isolates in France between 1992 and 1996 was investigated using a phylogenetic approach (multiprimer randomly amplified polymorphic DNA typing). Eighty-six percent (65 of 85) of the French strains were grouped into one phylogenetic cluster within which all but one Gen(s) strain were grouped into a subcluster. Thus, the reemergence of Gen(s) MRSA strains in France was likely due to the spread of one specific clone which belonged to a cluster comprising most French gentamicin-resistant (Gen(r)) strains. This suggests that the Gen(s) clone has emerged from a Gen(r) strain of this cluster. |
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