Fig. 4.

Controlled high density fed-batch fermentation of U. cynodontis NBRC 9727 ∆fuz7^r ∆cyp3^r P_etefmttA P_ria1ria1. glucose (■) and ammonium (▼) concentration; b CO₂ concentration (continuous line) and OD₆₀₀ (▲); c itaconate (●) and erythritol (∆) concentration during fermentation in a bioreactor containing batch medium with 200 g L⁻¹ glucose, 4.0 g L⁻¹ NH₄Cl at pH 3.6 titrated with NaOH. The arrow indicates addition of 100 mL of 50% glucose. Error bars indicate the standard error from the mean (n = 3)