Table 2 Growth characteristics of IMZ785 and IMS1215 in sucrose-limited anaerobic steady-state chemostat cultures at a dilution rate of 0.1 h⁻¹

Relevant genotype

HXT5

HGT1 + FSY1

Carbon source

Sucrose

Sucrose

µ_max (h⁻¹) ^a

0.28 ± 0.00

0.15 ± 0.00

Biomass yield (g_x g_{hexose eq} ⁻¹)

0.088 ± 0.005

0.047 ± 0.000

Ethanol yield (mol mol_{hexose eq}⁻¹)

1.51 ± 0.00

1.76 ± 0.02

q_s (mmol g_x⁻¹ h⁻¹)

6.41 ± 0.43

11.9 ± 0.23

q_ethanol (mmol g_x⁻¹ h⁻¹)

9.71 ± 0.63

20.9 ± 0.19

q_glycerol (mmol g_x⁻¹ h⁻¹)

0.86 ± 0.08

0.85 ± 0.02

q_CO2 (mmol g_x⁻¹ h⁻¹)

10.1 ± 0.76

20.2 ± 0.40

Residual sugar (g L⁻¹)

0.40 ± 0.01 (glucose)

0.56 ± 0.07 (fructose)

0.70 ± 0.00 (glucose)

4.86 ± 0.10 (fructose)

Carbon recovery (%) ^b

95.8 ± 0.10

97.7 ± 0.45

Actual dilution rate (h⁻¹)

0.102 ± 0.001

0.102 ± 0.002