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Table 1 Distribution of serogroups and virulence genes in clonal complexes

From: Clonal analysis and virulent traits of pathogenic extraintestinal Escherichia coliisolates from swine in China

Serogroups and virulence genes

Distribution of serogroup and virulence gene within CCs, no. (%)

CC10 (n = 26)

CC58 (n = 8)

CC1687 (n = 19)

CC88 (n = 6)

Serogroupb

O11

3/(11.1)

0/(0)

14/(73.7)c

0/(0)

O8

6/(22.2)

3/(37.5)

0/(0)

3/(15.3)

O161

1/(3.7)

0/(0)

1/(5.3)

1/(5.3)

O138

0/(0)

2/(25.0)

0/(0)

1/(5.3)

Virulence genea

O101

5/(18.5)

0/(0)

0/(0)

0/(0)

papA

23/(88.5)

5/(62.5)

14/(73.7)

3/(50.0)

papC

10/(38.5)

3/(37.5)

6/(31.6)

4/(66.7)

sfa

20/(76.9)

7/(87.5)

5/(26.3)c

2/(33.3)

Afa/draBC

9/(34.6)

2/(25.0)

2/(10.5)

1/(16.7)

kpsMTII

21/(80.8)

6/(75.0)

18/(94.7)

4/(66.7)

iutA

21/(80.8)

6/(37.5)

16/(84.2)

4/(66.7)

papEF

2/(7.7)

0/(0)

1/(5.3)

2/(33.3)

papG allele I

1/(3.8)

0/(0)

1/(5.3)

0/(0)

papG allele II

0/(0)

0/(0)

0/(0)

2/(33.3)

papG allele III

0/(0)

0/(0)

0/(0)

0/(0)

papG allele II/III

0/(0)

0/(0)

0/(0)

2/(33.3)

sfaS

3/(11.5)

0/(0)

1/(5.3)

2/(33.3)

focG

1/(3.8)

1/(12.5)

1/(5.3)

0/(0)

bmaE

1/(3.8)

0/(0)

5/(26.3)

0/(0)

gafD

3/(11.5)

0/(0)

0/(0)

1/(16.7)

nfaE

5/(18.5)

2/(25.0)

4/(21.1)

0/(0)

iha

1/(3.8)

0/(0)

1/(5.3)

1/(16.7)

fimH

23/(85.2)

8/(100)

19/(100)

6/(100)

cdtB

0/(0)

0/(0)

1/(5.3)

0/(0)

cvaC

17/(63.0)

6/(75.0)

19/(100)

6/(100)

hlyA

2/(7.6)

0/(0)

4/(21.1)

1/(16.7)

CNF1

5/(18.5)

4/(50.0)

1/(5.3)

0/(0)

kpsMT III

2/(7.6)

0/(0)

1/(5.3)

0/(0)

kpsMT K1

5/(18.5)

1/(12.5)

16/(84.2)c

1/(16.7)

kpsMT “K5”

7/(26.9)

2/(25.0)

16/(84.2)

2/(33.3)

fyuA

12/(44.4)

5/(62.5)

12/(63.2)

4/(66.7)

ireA

19/(70.4)

7/(87.5)

12/(63.2)

5/(83.3)

Irp2

13/(50.0)

7/(87.5)

12/(63.2)

6/(100)

iron

16/(59.3)

6/(75.0)

17/(89.5)

6/(100)

ibeA

15/(55.6)

6/(75.0)

1/(5.2)c

5/(83.3)

ompT

4/(15.4)

6/(75.0)c

2/(10.5)

3/(50)

traT

25/(96.1)

8/(100)

18/(94.7)

6/(100)

iss

10/(38.4) c

7/(87.75)

16/(84.2)

6/(100)

tsh

3/(11.5)

0/(0)

0/(0)

3/(50)

 

PAI

2/(7.6)

0/(0)

1/(5.3)

1/(16.7)

  1. aAll genes were detected by PCR.
  2. bSerogroup was determined using antisera from China Institute of Veterinary Drug Control (Beijing, China).
  3. cP < 0.01, indicated group versus all other groups combined.