Table 3.
Product yield in batch fermentation of wild-type C. acetobutylicum and xfp-inactivated mutanta
| Strain | Yield (mmol product formed per mol xylose consumed) |
||||
|---|---|---|---|---|---|
| Acetone | Butanol | Ethanol | Acetate | Butyrate | |
| Wild type | 149 ± 13 | 271 ± 13 | 61 ± 12 | 110 ± 4 | 188 ± 30 |
| xfp-inactivated mutant | 170 ± 17 | 278 ± 12 | 69 ± 5 | 94 ± 19 | 171 ± 12 |
a
Fermentation was performed at an initial xylose concentration of 20 g liter−1. Samples were harvested during stationary growth phase (∼149 h). Data shown are means ± standard deviations calculated from three independent experiments.