Table 1 Overview of physiological parameters for both strains under both growth conditions.
Batch | Chemostat | |||
---|---|---|---|---|
CEN.PK 113-7D | YSBN2 | CEN.PK 113-7D | YSBN2 | |
Specific growth rate (h−1) | 0.40±0.01 | 0.301±0.002 | 0.099±0.001 | 0.097±0.001 |
Biomass concentration (g −1) | 1.9±0.1 | 1.9±0.2 | 3.92±0.01 | 4.35±0.04 |
Extracellular glucose concentration (g l−1) | 17.4±0.6 | 15±1 | 0.033±0.002 | 0.032±0.008 |
qGluc (mmol gDW−1 h−1) | −16±1 | −13.0±0.5 | −1.043±0.009 | −0.93±0.01 |
qEth (mmol gDW−1 h−1) | 23±3 | 19±3 | −0.165±0.001 | −0.146±0.002 |
qGlyc (mmol gDW−1 h−1) | 0.89±0.02 | 1.19±0.07 | NA | NA |
qO2 (mmol gDW−1 h−1) | −2.6±0.3 | −1.06±0.02 | −2.74±0.03 | −2.11±0.04 |
qCO2 (mmol gDW−1 h−1) | 26.6±0.1 | 23±1 | 2.71±0.02 | 2.09±0.04 |
RQ (−) | 10.1±0.9 | 21±1 | 0.990±0.004 | 0.99±0.01 |
Ys/x (Cmol Cmol−1) | 0.16±0.01 | 0.146±0.005 | 0.568±0.002 | 0.630±0.006 |
qH+ (mmol gDW−1 h−1) | −3.1±0.3 | −2.3±0.1 | 0.65±0.01 | 0.60±0.02 |
Carbon balance recovery | 94±11% | 98±9% | 97.9±0.1% | 98.7±0.5% |
Degree of reduction balance recovery | 94±15% | 96±11% | 95.7±0.5% | 97.5±0.9% |