TABLE 3.
C. perfringens strains used in this study
| Type or isolate | Description | Origin and/or reference |
|---|---|---|
| Type B | ||
| CN1795 | Veterinary lab, toxigenic, isolated in 1947 | 28 |
| CN1795::agrB | CN1795 agrB null mutant | 28 |
| CN1795::agrBcomp | CN1795 agrB null mutant complemented with agr operon | 28 |
| CN1795::virS | CN1795 virS null mutant | This study |
| CN1795::virSc1795virR/S | CN1795 virS null mutant complemented with CN1795 virR/S operon | This study |
| CN1795::virSc3685virR/S | CN1795 virS null mutant complemented with CN3685 virR/S operon | This study |
| CN1795DKO | CN1795 virS agrB double-null mutant | This study |
| CN1795DKOc3685virR/S | CN1795 virS agrB double-null mutant complemented with CN3685 virR/S operon | This study |
| Type C | ||
| CN3685 | Sheep with the disease named struck | 25 |
| CN3685::agrB (BMJV10) | CN3685 agrB null mutant | 25 |
| CN3685::agrBcomp | CN3685 agrB null mutant complemented with agr operon | 25 |
| CN3685::virS | CN3685 virS null mutant | This study |
| CN3685::virSc1795virR/S | CN3685 virS null mutant complemented with CN1795 virR/S operon | This study |
| CN3685::virSc3685virR/S | CN3685 virS null mutant complemented with CN3685 virR/S operon | This study |
| CN3685DKO | CN3685 virS agrB double-null mutant | This study |
| CN3685DKOc1795virR/S | CN3685 virS agrB double-null mutant complemented with CN1795 virR/S operon | This study |