Fig. 3From: Construction of cell factory through combinatorial metabolic engineering for efficient production of itaconic acidThe itaconic acid production of CAD mutants obtained by site-directed mutagenesis a. E. coli BL-CC is used as a control check (CK); Comparison of itaconic acid titer between recombinant E. coli BL-CAC and BL-CAR470E at pH 5.0 b and pH 5.5 cBack to article page