Fig. 4From: Metabolic engineering of Aspergillus niger via ribonucleoprotein-based CRISPR–Cas9 system for succinic acid production from renewable biomassImpacts of low cultivation pH on succinic acid production by the SAP-3 strain at 35 °C. a Glucose consumption and succinic acid production (g/L); b yield of succinic acid at different pH levelsBack to article page