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Journal of Clinical Microbiology, June 2000, p. 2419-2422, Vol. 38, No. 6
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Genetic Similarity among One Aspergillus flavus Strain Isolated from a Patient Who Underwent Heart Surgery and Two Environmental Strains Obtained from the Operating Room

Teresa M. Diaz-Guerra,1 Emilia Mellado,1 Manuel Cuenca-Estrella,1 Lourdes Gaztelurrutia,2 Jose Ignacio Villate Navarro,3 and Juan L. Rodríguez Tudela1,*

Servicio de Micología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid,1 and Servicio de Microbiología2 and Servicio de Medicina Preventiva,3 Hospital de Cruces, Baracaldo, Vizcaya, Spain

Received 1 November 1999/Returned for modification 4 January 2000/Accepted 28 January 2000

We report the simultaneous isolation of one Aspergillus flavus strain from the aortic prosthesis of a heart surgery patient and another two isolates recovered from a dual-reservoir cooler-heater used in the operating room where this patient was operated on. Genetic typing of these three isolates by randomly amplified polymorphic DNA (RAPD) revealed identical genotypes. Eight unrelated control strains of A. flavus had eight different genotypes. These results clearly indicated the nosocomial origin of the A. flavus strain isolated from the patient. We suggest that the RAPD technique is a rapid and reliable tool to ascertain the epidemiology of infections caused by A. flavus.

* Corresponding author. Mailing address: Servicio de Micología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, 28220 Majadahonda (Madrid), Spain. Phone: 34-1-5097961. Fax: 34-1-5097966. E-mail: juanl.rodriguez-tudela{at}isciii.es.

Journal of Clinical Microbiology, June 2000, p. 2419-2422, Vol. 38, No. 6
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


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