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Detection of plasmid-mediated quinolone resistance genes in clinical isolates of Enterobacter spp. in Spain

Opened Access Detection of plasmid-mediated quinolone resistance genes in clinical isolates of Enterobacter spp. in Spain

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Autor: Calvo, Jorge
Cano, María Elicier
Rodríguez Martínez, José Manuel
Agüero, J.
Pascual Hernández, Álvaro
Velasco, C.
Francia, M. V.
Martínez Martínez, Luis
Departamento: Universidad de Sevilla. Departamento de Microbiología
Fecha: 2009
Publicado en: Journal of Clinical Microbiology, 47 (7), 2033-2039.
Tipo de documento: Artículo
Resumen: We have studied by PCR and DNA sequencing the presence of the qnrA, qnrB, qnrS, aac(6′)-Ib-cr, qepA, intI1, and ISCR1 genes in 200 clinical isolates of Enterobacter cloacae (n = 153) and E. aerogenes (n = 47) consecutively collected between January 2004 and October 2005 in two hospitals located in Santander (northern Spain) and Seville (southern Spain). Mutations in the quinolone resistance-determining region of gyrA and parC also were investigated in organisms containing plasmid-mediated quinolone resistance genes. The isolates had different resistant phenotypes, including AmpC hyperproduction, extended-spectrum β-lactamase production, resistance or decreased susceptibility to quinolones, and/or resistance to aminoglycosides. Among the 116 E. cloacae isolates from Santander, qnrS1, qnrB5, qnrB2, and aac(6′)-Ib-cr were detected in 22 (19%), 1 (0.9%), 1 (0.9%), and 3 (2.6%) isolates, respectively. Twenty-one, 17, and 2 qnrS1-positive isolates also contained blaLAP-1, intI1, and ISCR1, ...
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Cita: Calvo, J., Cano, M.E., Rodríguez Martínez, J.M., Agüero, J., Pascual Hernández, Á., Velasco, C.,...,Martínez Martínez, L. (2009). Detection of plasmid-mediated quinolone resistance genes in clinical isolates of Enterobacter spp. in Spain. Journal of Clinical Microbiology, 47 (7), 2033-2039.
Tamaño: 276.5Kb
Formato: PDF

URI: http://hdl.handle.net/11441/63354

DOI: 10.1128/JCM.02229-08

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