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Table 2 Prevalence of virulence-associated genes between InPEC and ExPEC isolates

From: Genetic diversity and multidrug resistance of phylogenic groups B2 and D in InPEC and ExPEC isolated from chickens in Central China

Functional category

Gene

No. of isolates positive(%)

P-value a

ExPEC(n = 48)

InPEC(n = 10)

Iron chelation

feoB

47 (97.92)

9 (90.00)

0.318

iutA

46 (95.83)

6 (60.00)

0.006

iroD

24 (50.00)

7 (70.00)

0.311

irp2

48 (100.00)

10 (100.00)

1.000

Adhesin

fimH

46 (95.83)

10 (100.00)

1.000

Protectins

ompT

47 (97.92)

10 (100.00)

1.000

ompA

48 (100.00)

10 (100.00)

1.000

hlyA

29 (60.42)

5 (50.00)

0.726

Toxin

cnf

0 (0.00)

0 (0.00)

NT

LT

0 (0.00)

0 (0.00)

NT

Miscellaneous

ibeA

2 (4.17)

0 (0.00)

1.000

Protectins

iss

34 (70.83)

2 (20.00)

0.004

kpsM

5 (10.42)

1 (10.00)

1.000

  1. a P-values determined by Fisher’s exact test, two-tailed