TABLE 3.
Observed phage resistance conferred by pNP40, pNP10, and the cloned LlaJI R/M system against lactococcal phages of c2, 936, and P335 species at 30°C
| Phage | Value for indicated strain
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MG1614/pNP40
|
MG1614/pNP10
|
MG1614
|
MG1614/pJO-J
|
NCK690KP1
|
NCK690KP1/pJO-J
|
|||||||
| EOP | Plaque size (mm) | EOP | Plaque size (mm) | EOP | Plaque size (mm) | EOP | Plaque size (mm) | EOP | Plaque size (mm) | EOP | Plaque size (mm) | |
| c2 | NPa | 1 × 10−8 | Pinpoint | 1 | 5 | 1 × 10−4 | 3 | |||||
| 952 | NP | NPa | 1 | 5 | 3 × 10−4 | 3 | ||||||
| 712 | NP | 8 × 10−5 | Pinpoint | 1 | 1 | 5 × 10−5 | 1 | |||||
| sk1 | 7 × 10−4 | Pinpoint | 3 × 10−1 | 1 | 1 | 3 | 3 × 10−3 | 3 | ||||
| q30 | 1 | 3 | 4 × 10−2 | 2-3 | ||||||||
| q33 | 1 | 2 | 2 × 10−2 | 1-2 | ||||||||
| ul36 | 1 | 1 | 3 × 10−2 | 1 | ||||||||
a
NP, no plaques (complete resistance).