TABLE 2.

Characterization of Salmonella isolates with the sul3 gene

Serotype and isolate (phage type)PFGE typeaIsolation date/area of PortugalSourceClass 1 integron genesbsul gene(s)b
Rissen
    SFCL-5AJuly 2002/northSwine productint1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul3
    BF033AOctober 2002/northSwine productint1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul3
    SFS-2A22002/northSausageint1, dfrA12, aadA2sul3
    BF128A2August 2003/northSwine productint1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul3
Typhimurium
    IH459/02 (DT104)BAugust 2002/southHuman (hospital 1)int1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    AF30 (DT104)B3May 2003/southSwine productint1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    IE352/03 (DT104)B3June 2003/northSeawater (beach 1)int1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    IE357/03 (DT104)B3June 2003/northSeawater (beach 2)int1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    IH752/03 (DT104)B3′2003/southHuman (hospital 2)int1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    IH779/03 (DT104)B3"2003/northHuman (hospital 3)int1, dfrA12, aadA2, qacEΔ1, sul1sul1, sul2, sul3
    IH184/03CApril 2003/northHuman (hospital 4)int1, dfrA12, aadA2sul3
    BH212C2003/northHuman (hospital 5)int1, dfrA12, aadA2sul3
    AF29DMay 2003/southSwine productint1, dfrA1, aadA1, qacEΔ1, sul1sul1, sul3
IIIb:65:lv:enxz15
    IH842/03E2003/southHuman (hospital 6)int1, dfrA12, aadA2sul3
  • a Clones are designated by capital letters, and subtypes are defined by a subindex that indicates the number of bands that differ from the strain considered to be the initial PFGE type.

  • b Resistance genes produced in transconjugants appear in boldface.