Table 1 Shifting the metabolism of L. lactis from homo-lactic to homo-ethanol
From: A novel cell factory for efficient production of ethanol from dairy waste
Strains | Description | Growth conditions | Carbon balance (%) | Lactose | Acetate | Formate | Acetoin | 2,3-Butanediol | Ethanol |
|---|---|---|---|---|---|---|---|---|---|
mol/mol glucose | |||||||||
MG1363 | Wide type | Anaerobic | 90 | 1.8 ± 0.1 | ND | ND | ND | ND | ND |
CS4099 | MG1363 Δ3 ldh, (Δldh, ΔldhB and ΔldhX) | Anaerobic | 85 | ND | 0.61 ± 0.02 | 1.58 ± 0.07 | 0.08 ± 0.01 | 0.09 ± 0.01 | 0.65 ± 0.02 |
CS4234 | MG1363 Δ3 ldh, Δpta | Anaerobic | 88 | ND | ND | 0.82 ± 0.05 | 0.35 ± 0.02 | 0.16 ± 0.03 | 0.76 ± 0.04 |
CS4363 | MG1363 Δ3 ldh, Δpta, ΔadhE | Aerobic | 85 | ND | ND | ND | 0.85 ± 0.05 | ND | ND |
CS4435 | MG1363 Δ3 ldh, Δpta, ΔadhE pCS4268 | Anaerobic | 87 | ND | ND | ND | ND | ND | 1.75 ± 0.06 |