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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.