Table 3.
Occurrence of VGs in Escherichia coli isolated from surface water samples across six sampling sites in Brisbane, Australia
| Period (no. of isolates) | No of E. coli strains carrying virulence gene and distribution (%) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| eaeAa | stx1 | stx2 | LT1 | ST | bfp | cdtBa | ipaH | aggR | astA | ehxAa | |
| Dry period (90) | 38 (42) | 4 (5) | 12 (13) | 2 (2) | 0 (0) | 15 (17) | 8 (9) | 5 (6) | 32 (36) | 67 (75) | 9 (10) |
| Wet period (210) | 129 (61) | 15 (7) | 18 (9) | 4 (2) | 12 (6) | 56 (27) | 17 (8) | 37 (18) | 55 (26) | 139 (66) | 29 (14) |
| Total (300) | 167 (56) | 19 (6) | 30 (10) | 6 (2) | 12 (4) | 71 (24) | 25 (8) | 42 (14) | 87 (29) | 206 (69) | 38 (13) |
a
These genes are shared by more than one E. coli pathotype.