Detection of plasmid-mediated quinolone resistance determinant QnrS1 in an extended-spectrum β-lactamase-producing Enterobacter cloacae in Tunisia

A clinical isolate of Enterobacter cloacae BF280 showing a multidrug resistance phenotype including resistance to β-lactams and quinolones is the subject of this study. This strain was isolated from a patient at the intensive care unit of a military hospital (hôpital Militaire de Tunis). By polymera...

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Published inAnnals of microbiology Vol. 60; no. 3; pp. 423 - 427
Main Authors Bourouis, Amel, Dubois, Véronique, Chihi, Hella, Beladj, Chérifa, Ben Moussa, Mohamed, Quentin, Claudine, Belhadj, Omrane
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer-Verlag 01.09.2010
Springer
Subjects
Applied Microbiology
Biological and medical sciences
Biomedical and Life Sciences
Fundamental and applied biological sciences. Psychology
Life Sciences
Medical Microbiology
Microbial Ecology
Microbial Genetics and Genomics
Microbiology
Mycology
Original Article
Quinolone resistance
Multidrug resistance
Multiplex-PCR
Plasmid
Polymerase chain reaction
Enterobacter cloacae
Multiple resistance
Extended-spectrum β-lactamase
Bacteria
qnrS
Detection
Enterobacteriaceae
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Summary:A clinical isolate of Enterobacter cloacae BF280 showing a multidrug resistance phenotype including resistance to β-lactams and quinolones is the subject of this study. This strain was isolated from a patient at the intensive care unit of a military hospital (hôpital Militaire de Tunis). By polymerase chain reaction amplification and sequencing, this isolate was found to produce quinolone resistance determinant QnrS1. In addition, it was found to produce CTX-M-28, OXA-1 and TEM-1. The qnrS , bla CTX-M-28 , bla TEM-1 and bla OXA-1 genes were located on a highly conjugative plasmid.
ISSN:1590-4261
1869-2044
DOI:10.1007/s13213-010-0058-8