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Journal of Clinical Microbiology, June 2001, p. 2287-2290, Vol. 39, No. 6
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.6.2287-2290.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Reemergence of Gentamicin-Susceptible Strains of
Methicillin-Resistant Staphylococcus aureus in France: a
Phylogenetic Approach
D. S.
Blanc,1,*
P.
Francioli,1
A.
Le
Coustumier,2
L.
Gazagne,3
E.
Lecaillon,3
P.
Gueudet,3
F.
Vandenesch,4 and
J.
Etienne4
CHU Vaudois, Lausanne,
Switzerland,1 and Hôpital Champ le
Roi, Neufchateau,2 CH Maréchal
Joffre, Perpignan,3 and Centre national
de référence des Toxémies à Staphylocoques,
Lyon,4 France
Received 4 December 2000/Returned for modification 1 February
2001/Accepted 27 March 2001
The reemergence of gentamicin-susceptible (Gens)
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 Gens
strain were grouped into a subcluster. Thus, the reemergence of
Gens MRSA strains in France was likely due to the spread of
one specific clone which belonged to a cluster comprising most French
gentamicin-resistant (Genr) strains. This suggests that the
Gens clone has emerged from a Genr strain of
this cluster.
*
Corresponding author. Mailing address: Division
autonome de médecine préventive hospitalière, Centre
Hospitalier Universitaire Vaudois, 1011 Lausanne, Switzerland. Phone:
41 21 314 02 60. Fax: 41 21 314 02 62. E-mail:
Dominique.Blanc{at}chuv.hospvd.ch.
Journal of Clinical Microbiology, June 2001, p. 2287-2290, Vol. 39, No. 6
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.6.2287-2290.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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