Table 1.
Association of genetic markers with different serotypes of E. coli O26
| Genetic marker | % (no.) of strains associated with group |
||
|---|---|---|---|
| H11 (n = 22) | H8 (n = 12) | H32 (n = 10) | |
| wzxO26 | 100 | 100 | 100 |
| fliCH11 | 100 | 0 | 0 |
| fliCH8 | 0 | 100 | 0 |
| eae | 100 | 100 | 0 |
| eae-beta | 100 | 33.3 (4) | 0 |
| pEAF | 0 | 0 | 0 |
| bfp | 0 | 0 | 0 |
| stx1 | 0 | 0 | 0 |
| stx2 | 0 | 0 | 0 |
| espK | 50 (11) | 100 | 0 |
| espN | 31.8 (7) | 75 (9) | 0 |
| espP | 27.2 (6) | 0 | 0 |
| ehxA | 22.7 (5) | 0 | 0 |
| espI | 13.6 (3) | 0 | 10 (1) |
| katP | 4.5 (1) | 0 | 0 |
| irp2 | 100 | 67 (8) | 0 |
| fyuA | 100 | 67 (8) | 0 |
| etpD | 0 | 0 | 0 |
| nleF | 86.3 (19) | 100 | 0 |
| nleH1-2 | 95.4 (21) | 16.7 (2) | 0 |
| nleA | 91 (20) | 83.3 (10) | 0 |
| ent | 100 | 0 | 0 |
| nleB | 100 | 0 | 10 (1) |
| nleE | 100 | 0 | 0 |
| pagC | 0 | 0 | 0 |
| nleH1-1 | 100 | 25 (3) | 0 |
| nleD2 | 0 | 33.3 (4) | 0 |
| nleG | 81.8 (18) | 0 (0) | 0 |
| efa1 | 100 | 33.3 (4) | 0 |
| efa2 | 100 | 66.7 (8) | 0 |
| iha | 50 (11) | 75(9) | 0 |
| paa | 81.8 (18) | 0 | 0 |
| lpfAO113 | 27.2 (6) | 8.3 (1) | 0 |
| lpfA | 0 | 0 | 0 |
| toxB | 22.7 (5) | 0 | 0 |
| ldaH | 31.8 (72) | 0 | 10 (1) |
| saa | 0 | 0 | 0 |
| astA | 18.2 (4) | 25 (3) | 0 |
| espV | 0 | 75 (9) | 0 |
| terE | 86.3 (19) | 33.3 (4) | 0 |
| ureD | 54.5 (12) | 0 | 0 |
| hlyA | 13.6 (3) | 0 | 0 |
| sheA | 100 | 100 | 100 |
| espM1 | 81.8 (18) | 0 (0) | 0 |
| espM2 | 86.3 (19) | 16.7 (2) | 10 (1) |
| espX2 | 0 | 0 | 0 |
| espX7 | 31.8 (7) | 66.7 (8) | 0 |
| espO1-1 | 0 | 66.7 (8) | 0 |
| espY4-2 | 0 | 0 | 0 |
| espX6 | 0 | 0 | 0 |
| espW | 86.3 (19) | 0 | 0 |
| espG | 95.4 (21) | 100 (12) | 0 |
| espF1 | 91 (20) | 91.6 (11) | 90 (9) |
| espX1 | 100 (22) | 100 | 90 (9) |
| espY1 | 0 | 0 | 0 |
| espY3 | 0 | 0 | 0 |
| espR1 | 100 | 100 | 100 |
| espJ | 100 | 33.3 (4) | 0 |
| ECs1822 | 86.3 (19) | 0 | 0 |
| ECs1763 | 86.3 (19) | 8.3 (1) | 0 |