Table 1.

Phenotypic and molecular characteristics of nontyphoid Salmonella strains isolated from food animals and humans carrying blaCTX-M genesa

StrainSerotypeOriginFarmProvinceIsolation date (yr.mo.day)blaCTX-M geneOther bla geneSelf-transferbPhage typePFGE profile
XbaIAvrII
09-V06-15S. EnteritidisChicken meatC1Jeonbuk2009.01.28CTX-M-15YesPT21X4A3
09-V06-16S. EnteritidisChicken meatC1Jeonbuk2009.01.28CTX-M-15YesPT21X5A1
09-V06-20S. EnteritidisDiseased chickenC2Jeonbuk2009.03.12CTX-M-15YesRDNCX4A3
09-V06-21S. EnteritidisDiseased chickenC2Jeonbuk2009.03.12CTX-M-15YesPT21X4A3
09-V06-22S. EnteritidisDiseased chickenC2Jeonbuk2009.03.12CTX-M-15YesRDNCX3A2
09-V06-23S. EnteritidisDiseased chickenC2Jeonbuk2009.03.12CTX-M-15YesRDNCX4A1
09-V06-25S. EssenDiseased chickenC3Jeonbuk2009.03.27CTX-M-15NoNDNDND
09-V06-28S. EnteritidisDiseased chickenC4Jeonbuk2009.04.22CTX-M-15YesRDNCX2A1
09-V05-54S. EnteritidisChicken meatC6Chungnam2009.04.13CTX-M-15NoPT21X6A4
09-V05-56S. EnteritidisChicken fecesC6Chungnam2009.04.13CTX-M-15NoPT21X6A4
09-V05-57S. EnteritidisChicken fecesC6Chungnam2009.04.13CTX-M-15NoPT1X6A4
09-V05-58S. EnteritidisChicken fecesC7Chungnam2009.05.18CTX-M-15YesPT21X1A3
09-V05-59S. EnteritidisChicken fecesC6Chungnam2009.04.13CTX-M-15NoPT1X6A4
09-G-022S. EnteritidisHuman stoolGwangju2009.06.01CTX-M-15NoPT1X8A6
09-G-081S. EnteritidisHuman stoolGwangju2009.10.05CTX-M-15NoPT21X6A5
09-G-004S. EnteritidisHuman stoolGwangju2009.02.02CTX-M-15YesPT1X4A3
09-G-097S. EnteritidisHuman stoolGwangju2009.11.23CTX-M-15YesPT21X4A3
09-G-063S. EnteritidisHuman stoolGwangju2009.08.17CTX-M-15YesPT21X4A3
09-G-069S. EnteritidisHuman stoolGwangju2009.09.07CTX-M-14TEM-1YesPT6aX7A4
09-G-076S. EnteritidisHuman stoolGwangju2009.09.14CTX-M-14TEM-1YesPT6aX7A6
  • a Abbreviations: PFGE, pulsed-field gel electrophoresis; RDNC, reacted but did not conform to any recognized phage types; ND, phage or PFGE typing not done; −, negative.

  • b Self-transfer of plasmid carrying blaCTX-M gene in conjugation experiments.