Table 1. Bacterial strains and plasmids.
| Bacterial strain | Description | Source or reference |
|---|---|---|
| Lactococcus lactis | ||
| BGBM50 | Natural isolate from semi-hard cheese, Bac+, Bacim, Agg+/– | This work |
| BGBM50-8 | Derivative of BGBM50, Bac+,Bacim, Agg+/– | This work |
| BGBM50-34 | Derivative of BGBM50-8, Bac+, Bacim, Agg+ | This work |
| BGBM50-11 | Derivative of BGBM50-8, Bac+, Bacim, Agg+/– | This work |
| BGBM50-13 | Derivative of BGBM50-11, Bac+, Bacim, Agg+/– | This work |
| BGBM50-14 | Derivative of BGBM50-11, Bac–, Bacs, Agg+/– | This work |
| BGBM50-25 | Derivative of BGBM50-11, Bac+, Bacim, Agg+/– | This work |
| BGBM50-62 | Derivative of BGBM50-11, Bac+, Bacim, Agg+/– | This work |
| BGMN1-5 | Natural isolate from semi-hard cheese, Bac+(lactococcin B, lsbB producer) Bacim, Agg+ | (10) |
| BGMN1-501 | Derivative of BGBM1-5, Bac+ (lactococcin B producer) lacBim | (10) |
| BGMN1-596T | Derivative of BGBM1-5, Bac+ (lsbB producer), Bacim, Agg– | (10) |
| MG7284/pAZIL-lsbB | Derivate of MG7284 with pAZIL-lsbB, (lsbB producer) lsbBim | (11) |
| BGMN1-596 | Plasmid-free derivative of BGMN1-5, Prt-, Bacim, Agg– | (10) |
| BGBU1-4 | Natural isolate from semi-hard cheese, Bac+ (unknown bacteriocin producer), Bacim | (12) |
| BGSM1-19 | Natural isolate from semi-hard cheese, Bac+ (lactin RM, lactococcin B producer), Bacim | (13) |
Bac+=bacteriocin producer, Bac–=non-bacteriocin producer, Bacs=sensitivity to bacteriocin, Bacim=immunity to bacteriocin, Agg+=aggregation, Agg+/–=slow aggregation