Table 1 Comparison of the experimental yields obtained in this study with theoretical yields calculated considering anabolism and catabolism
Theoretical values | Experimental values | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Maximal PDO production | Minimal growth yield | Maximal growth yield | Acetate and formate pathway | pH 5 | pH 6 | pH 7 | pH 8 | pH 9 | |
Y X/S (g/mol)a | 4.45 | 4.45 | 7.97 | 5.72 | 5.39 ± 0.25 | 6.18 ± 0.62 | 5.90 ± 0.14 | 6.15 ± 0.41 | 5.87 ± 0.80 |
Y ATP/S (mol/mol)b | 0.44 | 0.44 | 0.79 | 0.57 | 0.51 ± 0.02 | 0.59 ± 0.06 | 0.56 ± 0.01 | 0.59 ± 0.04 | 0.56 ± 0.07 |
Y PDO/S (mol/mol) | 0.72 | 0.50 | 0.11 | 0.64 | 0.61 ± 0.04 | 0.52 ± 0.01 | 0.64 ± 0.00 | 0.63 ± 0.01 | 0.58 ± 0.01 |
Y Acetate/S (mol/mol) | 0.22 | 0 | 0 | 0.28 | 0.21 ± 0.02 | 0.21 ± 0.01 | 0.27 ± 0.01 | 0.29 ± 0.02 | 0.25 ± 0.04 |
Y Ethanol/S (mol/mol) | 0 | 0 | 0.79 | 0 | 0.07 ± 0.05 | 0.11 ± 0.07 | 0 | 0 | 0 |
Y Lactate/S (mol/mol) | 0 | 0.44 | 0 | 0 | 0 | 0.06 ± 0.01 | 0.01 ± 0.01 | 0 | 0.07 ± 0.00 |
Y(Formate+H2)/S (mol/mol) | 0 | 0 | 0.79 | 0.28 | 0.06 ± 0.01 | 0.07 ± 0.00 | 0.01 ± 0.01 | 0.17 ± 0.01 | 0.26 ± 0.02 |