Table 4.
Main parameters of xylose fermentation at 45 °C by the O. polymorpha strains tested
| Strain | Ethanol (g/L) | Ethanol yield (g/g consumed xylose) | Rate of ethanol synthesis (g/g biomass/h) | Productivity of ethanol synthesis (g/L/h) |
|---|---|---|---|---|
| WTa | 0.523 ± 0.054 | 0.029 ± 0.010 | 0.009 ± 0.001 | 0.022 ± 0.001 |
| cat8Δb | 0.780 ± 0.083 | 0.034 ± 0.002 | 0.012 ± 0.001 | 0.026 ± 0.001 |
| BEPc | 9.620 ± 0.102 | 0.300 ± 0.011 | 0.082 ± 0.002 | 0.169 ± 0.007 |
| BEP cat8Δc | 12.51 ± 0.134 | 0.340 ± 0.015 | 0.091 ± 0.003 | 0.205 ± 0.009 |
a Data of ethanol yield and ethanol (g/L) are represented on YNB medium supplemented with 9% of xylose on the first day (24 h) of fermentation
b 48 h of fermentation
c 72 h of fermentation