Table 1.
Distribution of VFs and phylogenetic groups in relation to Chinese herb-resistance
| No. of associated VFs (%) | ||
| Susceptible | Resistant | |
| n=79 | n=36 | |
| Adhesins | ||
| papA | 43 (54.47) a | 26 (72.2) |
| papC | 35 (44.3) a | 23 (63.9) |
| papEF | 26 (32.9) | 14 (38.9) |
| bmaE | 5 (6.4) | 3 (8.3) |
| fimH | 2 (2.5) | 1 (2.7) |
| focG | 0 | 0 |
| Toxins | ||
| hlyA | 29 (36.7) | 11 (33.3) |
| cnf1 | 58 (73.4) | 27 (75.0) |
| Siderophores | ||
| fyuA | 65 (82.2) | 30 (83.3) |
| iutA | 67 (84.9) | 29 (80.6) |
| Protectins | ||
| traT | 27 (34.2) | 10 (27.8) |
| kpsMT II | 1 (1.3) | 0 |
| kpsMT III | 0 | 0 |
| Invasins | ||
| ibeA | 0 | 0 |
| Average VF score | 4.5 | 4.8 |
| Multivirulent (≥three genes) | 11 (13.9) a | 13 (36.1) |
| Phylogenetic group | ||
| A | 62 (78.5) b | 5 (13.9) |
| B1 | 0 | 0 |
| B2 | 14 (17.7)b | 30 (83.3) |
| D | 3 (3.8) | 1 (2.8) |
a
p<0.05, compared with Resistant E. coli;
b
p<0.01, compared with Resistant E. coli