Table 3 Frequency of ExPEC associated virulence genes (PCR screening)
ExPEC associated VAG | Comment | Frequency |
|---|---|---|
iss | Increased serum survival gene | 48.8% |
traT | Gene encoding complement resistance protein | 45.2% |
fyuA | Ferric yersiniabactin uptake receptor gene | 42.3% |
iucD | Aerobactin biosynthesis gene | 24.4% |
iutA | Ferric aerobactin receptor gene | 23.8% |
sitA | Iron/manganese transport system periplasmic binding protein gene | 23.2% |
kpsS | Capsule polysaccharide export protein gene | 18.5% |
tsh | Temperature-sensitive hemagglutinin autotransporter gene | 15.5% |
iroC | Salmochelin siderophore system gene | 12.5% |
vat | Vacuolating autotransporter toxin gene | 11.3% |
fbpB | Gene associated with urinary tract infections | 10.1% |
sat | Secreted autotransporter toxin gene | 9.5% |
ibeA | Invasion protein gene | 8.3% |
etsA | Macrolide-specific efflux protein gene | 4.2% |
cnf1 | Gene encoding the cytotoxic necrotizing factor 1 | 3.6% |
sfaS | S-fimbrial adhesin gene | 1.8% |
papC | P-fimbriae outer membrane usher protein gene | 1.8% |
tosA | Repeat-in-toxin gene | 1.8% |
cnf2 | Gene encoding the cytotoxic necrotizing factor 2 | 0.6% |
cnf3 | Gene encoding the cytotoxic necrotizing factor 3 | NDa |