TABLE 3.
MICs for nisin and other bacteriocins of various L. lactis derivatives used in this studya
| L. lactis strain/antimicrobial | MICs (μg/liter) for:
|
|||
|---|---|---|---|---|
| Nisin | Mersacidin | Vancomycin | Bacitracin | |
| IL1403 | 40 | 2,500 | 600 | 4,000 |
| IL1403 Nisr | 3,000 | 2,500 | 600 | 1,000 |
| NZ9000b | 40 | -c | - | - |
| NZ9000 (pNZ8048) with induction | 40 | - | - | - |
| NZ9000 (pJK1) with induction | 500 | - | - | - |
| NZ9000 (pFaB) | 320 | - | - | - |
| NZ9000 (pFaBC) | 320 | - | - | - |
| NZ9000 (ΔgalAMK) | 27 | 2,500 | - | - |
| NZ9000 (ΔgalAMK, Nisr) | 400 | - | - | - |
| MG1363 | 40 | - | - | - |
| MG1363 (Nisr) | 3,000 | - | - | - |
| MG1363 (ΔdltD) | 8 | 2,500 | - | - |
| MG1363 (ΔdltD, Nisr) | 400 | - | - | - |
| MG1363 (ΔahrC) | 8 | 2,500 | - | - |
| MG1363 (ΔahrC, Nisr) | 200 | - | - | - |
a
Standard errors never exceeded 10% of the given value.
b
Strain L. lactis NZ9000 (MG1363::NisRK) is an isogenic derivative of L. lactis MG1363.
c
-, not determined.