Table 2 Fermentation products of Caldicellulosiruptor DIB004C alone and in co-cultures with Thermoanaerobacter DIB004G and DIB097X
From: Single-step ethanol production from lignocellulose using novel extremely thermophilic bacteria
Culture | Substrate | Fermentation products | |||||
|---|---|---|---|---|---|---|---|
| Â | Â | Ethanol mM | Acetate mM | Lactate mM | Ethanol:Acetate:Lactate mM:mM:mM | Total products mM | Ethanol yield mol% |
DIB004C | Avicel (10 g/l) | 2.7 ± 0.2 | 21.4 ± 0.1 | 9.0 ± 0.1 | 1 : 8.0 : 3.4 | 33.0 ± 0.0 | 8.1 ± 0.5 |
DIB004G | no growth | ||||||
DIB097X | no growth | ||||||
DIB004C+DIB004G | 8.8 ± 0.7 | 19.9 ± 0.1 | 11.0 ± 0.6 | 1 : 2.3 : 1.3 | 39.7 ± 1.1 | 22.1 ± 1.3 | |
DIB004C+DIB097X | 10.3 ± 0.7 | 18.6 ± 0.7 | 11.8 ± 0.6 | 1 : 1.8 : 1.1 | 40.7 ± 0.8 | 25.4 ± 1.1 | |
DIB004C | washed pretreated poplar (2.9 g/l) | 1.5 ± 0.1 | 10.9 ± 0.2 | 6.2 ± 0.8 | 1 : 7.2 : 4.1 | 18.6 ± 0.8 | 8.1 ± 1.0 |
DIB004G | no growth | ||||||
DIB097X | no growth | ||||||
DIB004C+DIB004G | 5.7 ± 0.3 | 14.0 ± 0.2 | 6.6 ± 0.9 | 1 : 2.5 : 1.2 | 26.3 ± 1.4 | 21.7 ± 0.1 | |
DIB004C+DIB097X | 3.7 ± 0.2 | 14.1 ± 0.4 | 8.3 ± 1.3 | 1 : 3.9 : 2.3 | 26.1 ± 1.5 | 14.0 ± 1.6 | |
DIB004C | unwashed pretreated poplar (10 g/l) | 2.6 ± 0.2 | 12.0 ± 0.2 | 6.1 ± 0.2 | 1 : 4.6 : 2.3 | 20.7 ± 0.2 | 12.6 ± 1.0 |
DIB004G | 4.3 ± 0.3 | 4.4 ± 0.6 | 3.0 ± 0.1 | 1 : 1.0 : 0.7 | 11.7 ± 0.4 | 37.0 ± 3.8 | |
DIB097X | 5.1 ± 0.1 | 4.3 ± 0.3 | 0.0 ± 0.0 | 1 : 0.8 : 0.0 | 9.4 ± 0.2 | 54.5 ± 2.2 | |
DIB004C+DIB004G | 5.7 ± 0.4 | 11.6 ± 0.1 | 3.1 ± 0.0 | 1 : 2.0 : 0.5 | 20.4 ± 0.4 | 27.9 ± 1.2 | |
DIB004C+DIB097X |  | 7.0 ± 0.1 | 11.4 ± 0.2 | 3.5 ± 0.4 | 1 : 1.6 : 0.5 | 21.8 ± 0.6 | 32.1 ± 0.6 |