Table 2 Results of anaerobic batch fermentation of xylose (50 g/l) by strains TMB 3057, TMB 3066 and TMB 3400.
Yield | ||||||||
|---|---|---|---|---|---|---|---|---|
Strain | Relevant genotype | Xylose consumed in 100 h | Final ethanol concentration | Specific xylose consumption rate | Specific ethanol productivity | Ethanol | Xylitol | Glycerol |
g l-1 | g l-1 | g xylose g cells-1 h-1 | g ethanol g cells-1 h-1 | g g consumed xylose-1 | g g consumed xylose-1 | g g consumed xylose-1 | ||
TMB 3057 | XR-XDH, plasmid | 39.6 ± 3.4 | 13.3 ± 1.7 | 0.13 ± 0.04 | 0.04 ± 0.01 | 0.33 ± 0.02 | 0.22 ± 0.03 | 0.11 ± 0.02 |
TMB 3066 | XI, plasmid | 16.8 ± 3.8 | 7.3 ± 2.1 | 0.05 ± 0.02 | 0.02 ± 0.01 | 0.43 ± 0.03 | 0.04 ± 0.02 | 0.07 ± 0.02 |
TMB 3400 | XR-XDH, integrated | 36.5 ± 10.8 | 12.1 ± 2.5 | 0.06 ± 0.02 | 0.02 ± 0.01 | 0.34 ± 0.03 | 0.29 ± 0.07 | 0.04 ± 0.01 |