Table 2.
Steady-state comparison of S. cerevisiae grown in chemostats under carbon or nitrogen limitation
| Strain | Dilution rate, h−1 | Limitation | rS* | Yield† | rO2* | rCO2* | reth* | rgly* | Carbon recovery |
|---|---|---|---|---|---|---|---|---|---|
| CON | 0.10 | C | 1.12 (0.02) | 0.49 (0.00) | 2.75 (0.05) | 2.70 (0.00) | ND | ND | 99.2 (0.8) |
| 0.27 | C | 3.27 (0.07) | 0.46 (0.01) | 7.46 (0.32) | 8.32 (0.22) | ND | ND | 97.5 (3.2) | |
| 0.10 | N | 4.83 (0.32) | 0.11 (0.00) | 4.42 (0.35) | 12.11 (0.75) | 6.16 (0.70) | 0.04 (0.01) | 98.4 (0.5) | |
| NOX | 0.10 | C | 1.25 (0.00) | 0.45 (0.00) | 3.01 (0.04) | 3.14 (0.10) | ND | ND | 95.5 (1.8) |
| 0.26 | C | 4.04 (0.13) | 0.39 (0.01) | 10.77 (0.86) | 11.70 (0.58) | ND | ND | 94.3 (0.1) | |
| 0.10 | N | 5.73 (0.39) | 0.09 (0.00) | 5.28 (0.08) | 17.70 (0.99) | 5.26 (0.35) | 0.00 (0.00) | 93.8 (1.5) | |
| AOX | 0.10 | C | 1.18 (0.06) | 0.47 (0.00) | 2.99 (0.04) | 3.00 (0.02) | ND | ND | 98.1 (2.8) |
| 0.32 | C | 3.87 (0.14) | 0.43 (0.01) | 9.82 (0.36) | 10.92 (0.60) | ND | ND | 98.6 (0.4) | |
| 0.10 | N | 5.27 (0.05) | 0.11 (0.01) | 5.54 (0.39) | 17.20 (0.93) | 4.21 (0.04) | 0.05 (0.00) | 94.1 (1.2) |
The values represent the averages from two independent chemostats; the standard deviation is given in parentheses. ND, not detected.
*The uptake and generation rates are given in mmol/g dry cell weight per hour.
†Calculated as the biomass formed (in grams) for 1 g of glucose consumed.