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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Molecular epidemiology and genetic environment of acquired bla
acc-1
in salmonella enterica serotype livingstone causing a large nosocomial outbreak in tunisia
Microbial Drug Resistance, Volume 15, No. 4, Year 2009
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Description
Eighty-four isolates of Salmonella enterica serovar Livingstone were collected from patients hospitalized in a pediatric ward in Sfax Hospital (South Tunisia). These isolates were responsible for two nosocomial outbreaks in 2000 and 2002. Twenty-eight clinical isolates of S. enterica serovar Livingstone were also obtained in two other Tunisian hospitals in Monastir (Central Tunisia) and Tunis (North Tunisia), respectively, in 2002 and 2003. Pulsed-field gel electrophoresis yielded that these isolates were closely related. Antimicrobial susceptibility testing showed a particular β-lactam resistance phenotype, suggestive of the presence of an AmpC-type enzyme in 111 of the 112 clinical isolates. blaACC-1 was characterized by polymerase chain reaction (PCR) and sequence analysis in the 111 isolates. TEM-1 was characterized in all strains and SHV-2a in only two strains. The genetic organization of bla ACC-1 was determined by PCR mapping and sequencing. The plasmid-borne blaACC-1 gene mapped immediately downstream from ISEcp1. This ISEcp1 insertion sequence was itself disrupted by IS26 insertion sequences. A supplementary deletion of 13 bp was observed in ISEcp1 upstream IS26, in all isolates from Tunis, except one. PCR analysis and sequencing also revealed the presence of tnpR, blaSCO-1, gdha, IS1353, and TniBΔ1. © 2009, Mary Ann Liebert, Inc.
Authors & Co-Authors
Ktari, Sonia
Tunisia, Sfax
Chu Habib Bourguiba
Arlet, Guillaume A.
France, Paris
Hôpital Tenon
France, Paris
Sorbonne Université
Verdet, Charlotte
France, Paris
Hôpital Tenon
France, Paris
Sorbonne Université
Jaoua, Samir
Tunisia, Sfax
Centre de Biotechnologie de Sfax
Kachrid, Amel
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Redjeb, Saïda Ben
Tunisia, Tunis
Université de Tunis el Manar, Hôpital Charles Nicolle
Mahjoubi Rhimi, F.
Tunisia, Sfax
Chu Habib Bourguiba
Hammami, Adenène
Tunisia, Sfax
Chu Habib Bourguiba
Statistics
Citations: 23
Authors: 8
Affiliations: 6
Identifiers
Doi:
10.1089/mdr.2009.0035
ISSN:
10766294
Research Areas
Genetics And Genomics
Health System And Policy
Infectious Diseases
Study Locations
Tunisia