TABLE 1.
Characteristic changes used for typing of toxin genesa
| Toxino- type | Type of HincII and AccI restrictions for B1 fragment | Type of HindIII and RsaI restrictions for B3 fragment | Type of EcoRI restrictions for A3 fragment | Type of NsiI restrictions for PL2 fragment | Standard strain | No. of strains found |
|---|---|---|---|---|---|---|
| 0 | 1 | 1 | 1 | 1 | VPI 10463 | 172 |
| I | 1 | 1 | 4d | 1 | EX 623 | 2 |
| II | 1 | 1 | 3d | 1 | AC 008 | 1 |
| III | 4 | 4 | 2 | 2 | 44027 | 6 |
| IV | 2 | 2 | 2 | 3i | 55767 | 4 |
| V | 3 | 3 | 8 | 4i | SE 881 | 1 |
| VI | 3 | 3 | 5d | 4i | 51377 | 4 |
| VII | 3 | 3 | 6d | 4i | 57267 | 1 |
| VIII | 5 | 1 | 7d | 3i | 1470 | 25 |
| IX | 5 | 4 | 2 | 4i | 51680 | 2 |
| X | 5 | 4 | NA | 4i | 8864 | 1 |