TABLE 2.

Characterization of IncN plasmids harboring blaCTX-M-1 by RFLP analysis and replicon typing

StrainOriginFarmE. coli phylotypePFGE subtypeEcoRV plasmid RFLPHincII plasmid RFLPCotransferred resistanceaCoresistance genes
HA6Slaughterb1AF1IA3
6232PPiglet1AH2IA1
6232SSow1AH3IIICSXT, FFC, TET, CHL sul1, sul2, tetA, floR, catA1
1184SSow1AI1IA1
1285PPiglet1AJ1IA2
1233SSow1B1A1IIBSUL, FFC, CHL sul1, sul2, floR
1285SSow1B1A2IA2
1184PPiglet1B1B1IA2
1170PPiglet1B1C1IA1
951PPiglet1DB2IA1
Env1Air1DB4IA1
KV7Pigletb1DG1IVD
1484SSow1DI2IA2
Hu2Human2AL4IA4
FP7Pigletb2AL4IA4
Env2Air2AL5IA4
W3Weaner2AL9VECHL, SPX, SXT sul1, sul3, cmlA, aadA
S2Sow2AL16IA4
Hu1Human2AM1IA4
Pen2Slaughter2AM2IA4
P2Piglet2B1L5IA4
Pen4Slaughter2B1L10IA4
Hu3Human2DM6IA4
  • a CHL, chloramphenicol; FFC, florfenicol; SPX, spectinomycin; SUL, sulfamethoxazole; SXT, sulfamethoxazole-trimethoprim; TET, tetracycline.

  • b Isolate data from Jørgensen et al. (11).