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Journal of Clinical Microbiology, October 2007, p. 3446-3448, Vol. 45, No. 10
0095-1137/07/$08.00+0 doi:10.1128/JCM.00972-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.
Bacteremia Due to Clonally Derived Methicillin-Resistant, Gentamicin-Susceptible Isolates and Methicillin-Susceptible, Gentamicin-Resistant Isolates of Staphylococcus aureus
Maria Daskalaki,
Joaquin R. Otero,
Francisca Sanz, and
Fernando Chaves*
Servicio de Microbiología, Hospital Universitario Doce de Octubre, Avenida de Cordoba sn, Madrid 28041, Spain
Received 10 May 2007/
Returned for modification 24 July 2007/
Accepted 6 August 2007
We report recurrent bacteremia due to mixed infection with two clonally derived isolates of Staphylococcus aureus in a patient with Sezary syndrome. The two isolates, one gentamicin resistant and methicillin susceptible and the other gentamicin susceptible and methicillin resistant, developed by the deletion of the mecA, ant(4')Ia, and aacA-aphD genes from a common gentamicin-resistant and methicillin-susceptible ancestor.
* Corresponding author. Mailing address: Servicio de Microbiología, Hospital Universitario Doce de Octubre, Avenida de Cordoba sn, Madrid 28041, Spain. Phone: (34) 91-3908239. Fax: (34) 91-5652765. E-mail:
fchaves.hdoc{at}salud.madrid.org
Published ahead of print on 15 August 2007.
Journal of Clinical Microbiology, October 2007, p. 3446-3448, Vol. 45, No. 10
0095-1137/07/$08.00+0 doi:10.1128/JCM.00972-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.
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