TABLE 3 

Physiological characterization of the S. cerevisiae reference strain CEN.PK113-7D and strain IMY104a

ParameterMean ± SD value for strain
CEN.PK113-7DIMY104
Dilution rate (h−1)0.099 ± 0.0020.100 ± 0.001
Biomass yield (g of biomass/g of glucose)0.496 ± 0.0070.482 ± 0.004
qglucose (mmol/g of biomass/h)−1.10 ± 0.01−1.15 ± 0.02
qethanol (mmol/g of biomass/h)NDND
qCO2 (mmol/g of biomass/h)2.81 ± 0.033.00 ± 0.07
qoxygen (mmol/g of biomass/h)−2.71 ± 0.05−2.82 ± 0.08
qpyruvate (mmol/g of biomass/h)NDND
qglycerol (mmol/g of biomass/h)0.006 ± 0.0010.007 ± 0.000
qacetate (mmol/g of biomass/h)0.014 ± 0.0020.018 ± 0.000
Residual glucose (g/liter)0.021 ± 0.0010.024 ± 0.001
Carbon recovery (%)103 ± 1102 ± 1
  • a Strains were grown in aerobic, glucose-limited chemostat cultures supplemented with 500 ng/ml lipoic acid, at a dilution rate of 0.10 h−1. Means and standard deviations were obtained from three independent cultures for each strain. ND, not detected.