From: Metabolic engineering of Serratia marcescens MG1 for enhanced production of (3R)-acetoin
Strains | MG1 | MG12 | MG13 | MG14 | MG15 |
---|---|---|---|---|---|
Fermentation time (h) | 24 | 36 | 24 | 36 | 36 |
Consumed sucrose (g/l) | 89.2 ± 0.07 | 87.9 ± 0.14 | 88.7 ± 0.15 | 86.3 ± 0.31 | 96.8 ± 0.65 |
OD600 | 17.76 ± 0.31 | 11.63 ± 0.56 | 17.73 ± 0.22 | 10.97 ± 0.42 | 7.28 ± 0.23 |
(2R,3R)-2,3-BD (g/l) | 0.92 ± 0.31 | 2.96 ± 0.31 | 0.61 ± 0.31 | 1.55 ± 0.31 | 1.85 ± 0.13 |
(2S,3S)-2,3-BD (g/l) | 0.67 ± 0.11 | NDa | 0.71 ± 0.09 | ND | ND |
meso-2,3-BD (g/l) | 34.01 ± 1.21 | 1.28 ± 0.31 | 31.62 ± 0.98 | 1.25 ± 0.06 | 1.52 ± 0.05 |
(3R)-AC (g/l) | 2.92 ± 0.08 | 19.79 ± 0.21 | 6.52 ± 0.08 | 21.04 ± 0.31 | 39.91 ± 1.35 |
(3S)-AC (g/l) | 0.79 ± 0.05 | 0.21 ± 0.03 | 0.63 ± 0.06 | ND | ND |
Lactic acid | 3.06 ± 0.03 | 8.05 ± 0.06 | 3.42 ± 0.03 | 8.15 ± 0.07 | 6.83 ± 0.05 |
Ethanol | 0.7 ± 0.01 | 1.6 ± 0.01 | 0.6 ± 0.01 | 1.8 ± 0.01 | 1.5 ± 0.02 |
Succinic acid | 1.9 ± 0.02 | 3.8 ± 0.03 | 2.1 ± 0.02 | 4.1 ± 0.04 | 2.6 ± 0.04 |