TABLE 1.
Bacterial strains
| Strain | Description | Source (reference) |
|---|---|---|
| L. lactis | ||
| MG1363 | Plasmid-free derivative of NCDO 712 | Gasson (6) |
| FA4-1-1 | Pyrimidine auxotroph of MG1363 (CAA154 → TAG) | This study |
| CHCC4210 | Pyrimidine auxotroph of MG1363 (TCT127 → TAG) | This study |
| CHCC377 | Industrial strain of L. lactis subsp. lactis (major component of a highly successful commercial culture) | CHCCa |
| CHCC4146 | Pyrimidine auxotroph of CHCC377 (TCT127 → TAG) | This study |
| CHCC4223 | CHCC4146(pFG200) | This study |
| CHCC3052 | Industrial strain of L. lactis subsp. lactis | CHCC |
| CHCC4205 | Pyrimidine auxotroph of CHCC4205 (TCT127 → TAG) | This study |
| CHCC270 | Industrial strain of L. lactis subsp. lactis | CHCC |
| CHCC4424 | Pyrimidine auxotroph of CHCC4205 (TCT127 → TAG) | This study |
| E. coli DH5α | deoR endA1 gyrA96 hsdR17 (rK− mK+) relA1 recA1 supE44 thi-1 Δ(lacZYA-argF)U169/φ80dlacΔ(lacZ)M15 | Hanahan (7) |
a
CHCC, Chr. Hansen Culture Collection.