Table 5.
Distribution of the genetic markers ureD, espV, espK, espN, Z2098, and espM1 among EHEC serotypes
| Genetic marker | No. of strains detected/total no. of strains (%) for: |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Top 7 serotypes | O103:H2 | O111:H8 | O121:H19 | O145:H28 | O157:H7 | O26:H11 | O45:H2 | Other EHECa (new emerging EHEC) | Total EHEC | |
| Z2098 | 250/277 (90.3) | 49/49 (100) | 47/51 (92.2) | 17/20 (85.0) | 30/30 (100) | 49/66 (74.2) | 44/44 (100) | 14/17 (82.4) | 47/63 (74.6) | 297/340 (87.4) |
| espK | 269/277 (97.1) | 48/49 (98.0) | 51/51 (100) | 19/20 (95.0) | 29/30 (96.7) | 62/66 (93.9) | 43/44 (97.7) | 17/17 (100) | 45/63 (71.4) | 314/340 (92.4) |
| espN | 261/277 (94.2) | 47/49 (95.9) | 51/51 (100) | 17/20 (85.0) | 30/30 (100) | 59/66 (89.4) | 40/44 (90.9) | 17/17 (100) | 33/63 (52.4) | 294/340 (86.5) |
| espV | 248/277 (89.5) | 48/49 (98.0) | 51/51 (100) | 20/20 (100) | 30/30 (100) | 65/66 (98.5) | 34/44 (77.3) | 0/17 (0) | 39/63 (61.9) | 287/340 (84.4) |
| ureD | 257/277 (92.8) | 35/49 (71.4) | 51/51 (100) | 16/20 (80.0) | 30/30 (100) | 64/66 (97.0) | 44/44 (100) | 17/17 (100) | 47/63 (74.6) | 304/340 (89.4) |
| espM1 | 206/277 (74.4) | 1/49 (2.0) | 51/51 (100) | 20/20 (100) | 30/30 (100) | 64/66 (97.0) | 40/44 (90.9) | 0/17 (0) | 22/63 (34.9) | 228/340 (67.1) |
a
O103:H25 (n = 2), O118:H16 (n = 4), O118:H2, O119:H25 (n = 5), O123:H11, O127:H8s, O145, O145:H25 (n = 5), O156:H21, O156:H25 (n = 11), O165:H25 (n = 2), O172:H25 (n = 2), O172:NM, O177 (n = 2), O177:H25, O182:H25, O3, O49:H16, O5 (n = 11), O55:H7 (n = 2), O76:H51, O84:H2, Ont:H2, Ont:H25 (n = 2), Or:H16, OX186:H2.