Table 2.
Distribution of serotypes, sequence types, pathotypes and virulence determinants among the 52 pathogenic E. coli isolates, determined by PCR and WGS.
| O Antigen | O146 | O75 | O27 | OND | O110 | OND | OND | O121 | O156 | O70 | O108 | O145 | O26 | O35 | O167 | OND | O28ac/O42 | O98 | O182 | Total (%) | ||
| H Antigen | H21 | H28 | H8 | H30 | H8 | H31 | H21 | H28 | HND | H25 | H11 | H9 | HND | H11 | H31 | H9 | HND | H8 | H5 | H19 | ||
| ST | 442 | 738 | 13 | 753 | 13 | 812 | 11692-like | 738 | 655 | 300 | 29 | 302 | 137 | 29 | 123 | 2538 | 137 | 109 | 2951 | 10 | ||
| Pathotype | STEC | EPEC | ETEC | |||||||||||||||||||
| No. isolates | 10 | 8 | 10 | 5 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 * | 1 ** | 1 | 1 | 1 | 1 | 1 * | 1 | 1 | 52 | |
| Animals | Wild boar | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 9 (17.3) |
| Fallow deer | 8 | 7 | 10 | 2 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 36 (69.2) | |
| Red deer | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 (11.5) | |
| Hedgehog | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 (1.9) | |
| Toxin | astA | 0 | 8 | 0 | 5 | 0 | 0 | 0 | 1 | 3 | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 26 (50.0) |
| ehxa | 9 | 8 | 10 | 0 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 40 (76.9) | |
| mchF | 10 | 8 | 0 | 5 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 (51.9) | |
| sta1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 (1.9) | |
| sTb | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 (5.8) | |
| stx1 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 (21.2) | |
| stx2 | 10 | 8 | 10 | 5 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 (71.2) | |
| subA | 8 | 7 | 8 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 (59.6) | |
| Adhe | eae | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 12 (23.07) |
| iha | 10 | 6 | 10 | 5 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 42 (80.8) | |
| lpfA | 10 | 7 | 10 | 0 | 1 | 0 | 1 | 1 | 3 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 39 (75.0) | |
| Other |
elt | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 (5.8) |
| espl | 10 | 0 | 10 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 (48.1) | |
| gad | 10 | 8 | 10 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 47 (90.4) | |
| ireA | 10 | 8 | 10 | 5 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 (71.2) | |
| iss | 10 | 7 | 8 | 5 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 40 (76.9) | |
| ompT | 10 | 8 | 8 | 5 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 47 (90.4) | |
* Antimicrobial resistant (AMR) isolate; ** Multidrug resistant (MDR) isolate; STEC, Shiga toxin-producing E. coli; EPEC, Enteropathogenic E. coli; ETEC, Enterotoxigenic E. coli; ST, Sequence type; HND, H antigen not determined; OND, O antigen not determined.