Table 7.
Prevalence of virulence genes identified
|
Category |
Gene |
Isolate, n (%) |
|---|---|---|
|
Acid resistance |
gad* |
58 (100) |
|
Adhesin |
afaC |
13 (22) |
|
|
air |
9 (16) |
|
|
lpfA |
19 (33) |
|
|
nfaE |
13 (22) |
|
|
papA |
1 (2) |
|
|
papC |
21 (36) |
|
|
papE |
2 (3) |
|
|
papG-II |
20 (35) |
|
|
papG-III |
1 (2) |
|
|
papH |
20 (35) |
|
|
sfaF |
3 (5) |
|
|
sfaS |
1 (2) |
|
Effector (T3SS) |
espl |
1 (2) |
|
Invasin |
ibeA |
1 (2) |
|
Metalloprotease |
sslE |
23 (40) |
|
Microcin |
mchB |
2 (3) |
|
|
mchC |
3 (5) |
|
|
mchF |
6 (10) |
|
|
mcmA |
3 (5) |
|
Protectin |
iss |
35 (60) |
|
Regulator |
eilA |
9 (16) |
|
Siderophore |
iha |
29 (50) |
|
|
ireA |
6 (10) |
|
|
iroN |
8 (13) |
|
|
iutA |
3 (5) |
|
Toxin |
cma |
1 (2) |
|
|
cnf1 |
6 (10) |
|
|
hly-alpha |
9 (16) |
|
|
pic |
1 (2) |
|
|
sat |
23 (40) |
|
|
senB |
22 (38) |
|
|
tsh |
1 (2) |
|
|
vat |
6 (10) |
|
Transferase |
capU |
7 (12) |
|
ATP-binding cassette transporter |
ybtP |
20 (35) |
|
ybtQ |
22 (38) |
*This gene is almost universal to E.coli and can be found in non-pathogenic strains.