Fig. 2

Effects of glucose and glycerol on the respiration activity of T. reesei Rut-C30. T. reesei Rut-C30 was grown on α-cellulose as sole carbon source (34.5 g L⁻¹) and α-cellulose (30 g L⁻¹) in combination with glucose (5.0 g L⁻¹) or glycerol (5.1 g L⁻¹). All cultures contained the same molar amount of carbon. a Duplicates of oxygen transfer rate (OTR) and cumulative oxygen transfer (OT). For clarity only every second measuring point over time is represented by a symbol; b cellulose and protein content in the culture supernatant; c pH and filter paper activity (FPA). Error bars represent standard deviation of technical triplicates. Culture conditions: modified Pakula medium, 250 mL flask, filling volume 20 mL, shaking frequency 350 rpm, shaking diameter 50 mm, inoculum 10⁶ spores mL⁻¹, and 30 °C