| Wild | ΔcyoA | ΔcydB | Δfnr | Δfur |
---|---|---|---|---|---|
(A) C- limitation (C/N ratio = 1.68) | |||||
Biomass (g/l) | 3.33 ± 0.17 | 2.86 ± 0.14 | 3.08 ± 0.15 | 2.38 ± 0.12 | 2.63 ± 0.13 |
Glucose (g/l) | ND* | ND* | ND* | ND* | ND* |
Acetate (g/l) | 1.73 ± 0.09 | 1.64 ± 0.08 | 1.25 ± 0.06 | 2.06 ± 0.10 | 1.81 ± 0.09 |
Cell yield (g/g) | 0.330 ± 0.02 | 0.286 ± 0.01 | 0.308 ± 0.02 | 0.238 ± 0.01 | 0.263 ± 0.01 |
Specific glucose consumption rate (mmol/gdcw.h) | 3.33 ± 0.17 | 3.88 ± 0.19 | 3.60 ± 0.18 | 4.66 ± 0.24 | 4.21 ± 0.21 |
Specific acetate production rate (mmol/gdcw.h) | 1.73 ± 0.09 | 1.91 ± 0.10 | 1.35 ± 0.07 | 2.88 ± 0.14 | 2.29 ± 0.11 |
Specific CO2 production rate (mmol/gdcw.h) | 6.74 ± 0.34 | 7.45 ± 0.37 | 7.99 ± 0.40 | 9.00 ± 0.45 | 8.05 ± 0.40 |
(B) N- limitation (C/N ratio = 8.42) | |||||
Biomass (g/l) | 1.67 ± 0.08 | 1.56 ± 0.08 | 1.62 ± 0.08 | 1.48 ± 0.07 | 1.40 ± 0.07 |
Glucose (g/l) | 3.03 ± 0.15 | 3.01 ± 0.15 | 3.22 ± 0.16 | 3.59 ± 0.18 | 3.68 ± 0.18 |
Acetate (g/l) | 1.41 ± 0.07 | 1.58 ± 0.08 | 1.13 ± 0.06 | 1.32 ± 0.07 | 1.62 ± 0.08 |
Cell yield (g/g) | 0.240 ± 0.01 | 0.223 ± 0.01 | 0.239 ± 0.01 | 0.231 ± 0.01 | 0.221 ± 0.01 |
Specific glucose consumption rate (mmol/gdcw.h) | 4.65 ± 0.23 | 4.98 ± 0.25 | 4.67 ± 0.13 | 4.80 ± 0.24 | 5.02 ± 0.25 |
Specific acetate production rate (mmol/gdcw.h) | 2.82 ± 0.14 | 3.38 ± 0.17 | 2.33 ± 0.12 | 2.98 ± 0.15 | 3.86 ± 0.19 |
Specific CO2 production rate (mmol/gdcw.h) | 8.25 ± 0.41 | 8.88 ± 0.44 | 8.47 ± 0.42 | 9.23 ± 0.46 | 8.39 ± 0.42 |