Table 1.
Molecular characteristics of L. monocytogenes serogroup IVb isolates tested.
| Strain Origin | Molecular Type (No. of Isolates) | |||
|---|---|---|---|---|
| Clonal Complex | Sublineage | Sequence Type | cgMLST type | |
| RTE 1
(n = 62) |
CC1 (7) | SL1 (7) | ST1 (7) | CT322 (4), CT5260 (2), CT4326 (1), |
| CC2 (49) | SL2 (49) | ST2 (40) | CT4325 (9), CT4380 (9), CT2416 (4), CT4382 (4), CT5257 (1), CT5259 (1), CT7734 (1), CT7735 (1), CT7739 (1), CT7740 (1), CT7741 (1), CT7742 (1), CT7743 (1), CT7744 (1), CT7745 (1), CT7746 (1), CT7747 (1), CT7748 (1) | |
| ST145 (9) | CT375 (9) | |||
| CC6 (6) | SL6 (6) | ST6 (6) | CT461 (2), CT477 (2), CT434 (1), CT5608 (1) | |
| Raw meat (n = 21) |
CC1 (2) | SL1 (2) | ST1 (2) | CT322 (1), CT7733 (1) |
| CC2 (17) | SL2 (17) | ST2 (1) | CT2416 (1) | |
| ST145 (16) | CT375 (16) | |||
| CC6 (2) | SL6 (2) | ST6 (2) | CT7738 (1), CT5306 (1) | |
| FPE 2
(n = 8) |
CC1 (1) | SL1 (1) | ST515 (1) | CT7737 (1) |
| CC2 (4) | SL2 (4) | ST2 (3) | CT2416 (1), CT4325 (1), CT7736 (1) | |
| ST145 (1) | CT375 (1) | |||
| CC6 (3) | SL6 (3) | ST6 (3) | CT434 (2), CT4402 (1) | |
1 RTE: ready-to-eat food. 2 FPE: food production environments.