Table 3

Genetic and phenotypic traits of blaCMY-2-harboring Salmonella serovar Stanley isolates from Thai patients

IsolatePlasmid characterizationaEpidemiological informationd
Replicon typingPlasmid size (kb)Transferred resistancesbTransferred resistance gene(s)Regional zone/hospital of isolationIsolation date
SH 646A/C140AMP, AMC, CHL, CTX, FFN, GEN,c SMX, SPT, TET, XNLaadA1, blaCMY-2, floR, sul1, sul2, tetA4/Ratchaburi18 March 2008
SH 777A/C140AMP, AMC, CHL, CTX, FFN, GEN,c SMX, SPT, TET, XNLaac3-(IV), aadA1, blaCMY-2, cmlA, floR, sul1, sul2, tetABKK/Taksin08 April 2008
SH 1005A/C140AMP, AMC, CHL, CTX, FFN, GEN,c SMX, SPT, TET, XNLaadA1, blaCMY-2, floR, sul1, sul2, tetABKK/Ramathibordi01 May 2008
SH 1216A/C140AMP, AMC, CHL, CTX, FFN, GEN,c SMX, SPT, TET, XNLaac3-(IV), aadA1, blaCMY-2, floR, sul1, sul2, tetABKK/Chalemkongpracharak03 June 2008
SH 2452A/C140AMP, AMC, CHL, CTX, FFN, GEN,c SMX, SPT, TET, XNLaadA1, blaCMY-2, floR, sul1, sul2, tetA1/Mongkutwattana13 October 2008
SH 1602A/C195AMP, AUG, CHL, CTX, FFN, SMX, TET, XNLblaCMY-2, blaTEM-1, floR, sul2, tetA4/Ratchaburi22 July 2008
SH 1982A/C, Y152AMP, AUG, CHL, CTX, FFN, SMX, TET, XNLblaCMY-2, floR, sul2, tetA4/Ratchaburi19 August 2008
SH 2272A/C, Y172AMP, AUG, CHL, CTX, FFN, SMX, TET, XNLblaCMY-2, blaTEM-1, floR, sul1, tetA4/Ratchaburi16 September 2008
SH 1712I180AMP, AUG, CTX, XNLblaCMY-24/Ratchaburi29 July 2008
  • a Determination was done on plasmids obtained from the transformants.

  • b AMP, ampicillin; AMC, amoxicillin-clavulanic acid; CHL, chloramphenicol; CTX, cefotaxime; FFN, florfenicol; GEN, gentamicin; SMX, sulfamethoxazole; SPT, spectinomycin; STR, streptomycin; TET, tetracycline; TMP, trimethoprim; XNL, ceftiofur.

  • c Not all the possible genes conferring aminoglycoside resistance were present on the microarray used in this experiment.

  • d All isolates originated from stool specimens.