Large Conjugative Plasmids from Clinical Strains of  Salmonella enterica  Serovar Virchow Contain a Class 2 Integron in Addition to Class 1 Integrons and Several Non-Integron-Associated Drug Resistance Determinants

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 2006 Spain English Publisher:American Society for MicrobiologyJournal:Antimicrobial Agents and Chemotherapy, volume 50, pages 1,603-1,607 (issn: 0066-4804, eissn: 1098-6596,

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Authors: Rodríguez Fernández, Irene; Rodicio Rodicio, María del Rosario; Mendoza Fernández, María del Carmen; Martín Martín, María Cruz;

doi: 10.1128/aac.50.4.1603-1607.2006

pmid: 16569896

pmc: PMC1426967

handle: 10651/42056 , 10261/5695

Large Conjugative Plasmids from Clinical Strains of Salmonella enterica Serovar Virchow Contain a Class 2 Integron in Addition to Class 1 Integrons and Several Non-Integron-Associated Drug Resistance Determinants

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Abstract

ABSTRACT Two large conjugative resistance (R) plasmids from clinical strains of Salmonella enterica serovar Virchow carried a class 2 integron with the 5′ conserved sequence (5′CS)- dfrA1-sat1-aadA1 -3′CS gene array, which is associated with defective Tn 7 transposons. In addition, each contained a different class 1 integron (with 5′CS- aadA1 -3′CS or 5′CS- sat-smr-aadA1 -3′CS gene arrays) linked to Tn 21 -Tn 9 sequences, and several non-integron-associated R determinants. An intact copy of Tn 7 (including the class 2 integron) was present in the chromosome of each strain.

Country

Spain

Related Organizations

Spanish National Research Council
Spain
University of Oviedo
Spain
Instituto de Productos Lácteos de Asturias
Spain

Keywords

Salmonellosis, Bacteria, Base Sequence, Molecular Sequence Data, Bacteriosis, Salmonella enterica, Treatment resistance, Plasmid, Integron, Strain, Integrons, Serotype, Enterobacteriaceae, Salmonella, Conjugation, Genetic, Drug Resistance, Bacterial, DNA Transposable Elements, Humans, Infection, Plasmids

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