Fig. 3From: Microbial upgrading of acetate into 2,3-butanediol and acetoin by E. coli WEffect of amino acid (a, c) and vitamin reduction (b, d) on diol production (a, b) and growth (c, d). E. coli W ΔldhA ΔadhE Δpta ΔfrdA 445_Ediss was used for cultivations in shake flasks. Mean values and standard deviations were calculated from biological triplicatesBack to article page