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. 2005 Feb;49(2):836-9.
doi: 10.1128/AAC.49.2.836-839.2005.

Dissemination of sulfonamide resistance genes (sul1, sul2, and sul3) in Portuguese Salmonella enterica strains and relation with integrons

Patrícia Antunes  1 , Jorge Machado, João Carlos Sousa, Luísa Peixe
Affiliations

Dissemination of sulfonamide resistance genes (sul1, sul2, and sul3) in Portuguese Salmonella enterica strains and relation with integrons

Patrícia Antunes et al. Antimicrob Agents Chemother. 2005 Feb.

Abstract

In 200 sulfonamide-resistant Portuguese Salmonella isolates, 152 sul1, 74 sul2, and 14 sul3 genes were detected. Class 1 integrons were always associated with sul genes, including sul3 alone in some isolates. The sul3 gene has been identified in isolates from different sources and serotypes, which also carried a class 1 integron with aadA and dfrA gene cassettes.

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Figures

FIG. 1.
FIG. 1.
PFGE patterns of sul3-carrying Salmonella isolates. Lanes: 1, 15, and 17, Salmonella serotype Braenderup H9812 (CDC); 2, SFCL-5 (type A); 3, BF033 (type A); 4, SFS-2 (subtype A2); 5, BF128 (subtype A2); 6, IH459/02 (type B); 7, AF30 (subtype B3); 8, IE352/03 (subtype B3); 9, IE357/03 (subtype B3); 10, IH752/03 (subtype B3′); 11, IH779/03 (subtype B3"); 12, IH184/03 (type C); 13, BH212 (type C); 14, AF29 (type D); 16, IH842/03 (type E).
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