TABLE 3.
Carbon dioxide and hydrogen gas production by C. phytofermentans WT and ET cultures with or without the Z. mobilis pdc-adhB genes after 2 weeks of growth at 30°C in GS2 medium containing 100 g liter−1 α-cellulosea
| Strain | Gas produced (ml) | H2 (mM) | CO2 (mM) | H2/CO2 (mol/mol) |
|---|---|---|---|---|
| WT | 26.3 ± 0.4 | 4.21 ± 0.11 | 6.26 ± 0.08 | 0.67 |
| WT (pdc-adhB) | 40.0 ± 5.4 | 4.62 ± 0.13 | 10.02 ± 0.07 | 0.46 |
| ET | 25.2 ± 4.7 | 3.47 ± 0.12 | 4.46 ± 0.19 | 0.78 |
| ET (pdc-adhB) | 31.0 ± 2.3 | 4.41 ± 0.15 | 7.20 ± 0.13 | 0.61 |
a
Data represent averages ± standard deviations of the results from four replicates.