Fig. 3From: 5-Aminolevulinic acid fermentation using engineered Saccharomyces cerevisiaeALA production by the HEM1-overexpressing strain with added levulinic acid (a–c) or glycine (d–f), and cell concentration (g-cell/L) after cultivation for 24 h; a, d cell concentration (g-cell/L), b, e intracellular ALA content (mg/g DCW); c, f volumetric ALA concentration (mg/L). The values are presented as means, with error bars showing SD (n = 3)Back to article page