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Table 2 Sequence types of E. coli from healthy broilers by virulence-associated gene profiling

From: Phylogenetic grouping, epidemiological typing, analysis of virulence genes, and antimicrobial susceptibility of Escherichia coli isolated from healthy broilers in Japan

Phylogroup

Virulence-associated gene

N

ST (Total no.)

A

iutA-iss-cvaC-tsh-iroN-ompT-hlyF

1

1421 (1)

iutA-cvaC-iroN-ompT-hlyF

1

1564 (1)

iss-iroN-ompT-hlyF

1

48 (1)

iroN-ompT-hlyF

1

1286 (1)

iutA

4

10 (1)a, 48 (1), 93 (1)a, 2469 (1)

ompT

1

ND (1)*

None

26

10 (11)a, 752 (1), 1286 (1), 1630 (1), 2223 (2), 2461 (1), 2462 (1), 2463 (2), 2465 (1), 2466 (2), 2470 (1), 2471 (1), 2378 (1)

B1

iutA-iss-cvaC-iroN-ompT-hlyF

1

58 (1)

iutA-iss-tsh-iroN-ompT-hlyF

1

1079 (1)

iss-cvaC-iroN-ompT-hlyF

1

154 (1)

iutA-iss-iroN-ompT-hlyF

2

155 (1)a, 156 (1)

iss-iroN-ompT-hlyF

3

155 (3)a

iutA-ompT-hlyF

1

101 (1) a

iutA

2

155 (1)a, 2472 (1)

None

17

155 (4)a, 295 (1), 453 (2), 533 (1), 641(1), 1079 (1), 1724 (1), 1730 (1), 1771 (1), 2464 (1), 2473 (1), 2475 (1), 2476 (1)

B2

 

1

2474 (1)

D

iutA-iss-cvaC-tsh-iroN-ompT-hlyF

1

69 (1)a

iutA-iss-cvaC-iroN-ompT-hlyF

2

117 (2)a

iss-cvaC-tsh-iroN-ompT-hlyF

1

196 (1)

iutA-cvaC-iroN-ompT-hlyF

1

117 (1)a

iutA-tsh-iroN-ompT-hlyF

1

57 (1)

iutA-iss-iroN-ompT-hlyF

1

117 (1)a

iutA-iss-ompT-hlyF

1

2309 (1)

iutA-ompT-hlyF

1

2477 (1)

iutA

2

350 (1), 420 (1)

None

3

297 (2), 457 (1)

  1. *ND: not determined because the gene for MLST could not be amplified by PCR.
  2. a: common STs of APEC isolates.