TABLE 2.
Amplicons observed when screening L. monocytogenes strains of different serotypes for the presence of SSI-1
| Serotype | No. (%) of isolates with: |
||
|---|---|---|---|
| 9.7-kbp fragment | 2.2-kbp fragment | 1.1-kbp fragment | |
| 1/2a | 6 (21.4) | 7 (25.0) | 18 (64.3) |
| 1/2b | 8 (50.0) | 0 (0.0) | 8 (50.0) |
| 1/2c | 11 (78.6) | 0 (0.0) | 3 (21.4) |
| 3a | 2 (50.0) | 0 (0.0) | 2 (50.0) |
| 3b | 3 (60.0) | 0 (0.0) | 2 (40.0) |
| 3c | 4 (80.0) | 0 (0.0) | 1 (20.0) |
| 4a | 1 (20.0) | 0 (0.0) | 4 (80.0) |
| 4b | 1 (3.6) | 0 (0.0) | 27 (96.4) |
| 4c | 1 (100.0) | 0 (0.0) | 0 (0.0) |
| 4d/e | 0 (0.0) | 0 (0.0) | 5 (100.0) |
| 4e | 0 (0.0) | 0 (0.0) | 1 (100.0) |
| 7 | 1 (50.0) | 0 (0.0) | 1 (50.0) |
| All | 38 (32.5) | 7 (6.0) | 72 (61.5) |