Fig. 2From: Engineering protein production by rationally choosing a carbon and nitrogen source using E. coli BL21 acetate metabolism knockout strainsExtracellular acetate, glucose and glycerol concentrations, and cell grown at OD600. Extracellular acetate concentrations detected for E. coli BL21 wt, ΔpatZ, ΔcobB, Δacs, ΔackA and Δpta growing in glucose-TB7 (a1) and glycerol-TB7 (b1). Extracellular glucose (a2) and glycerol (b2) concentrations, and cell grown in glucose-TB7 (a3) or glycerol-TB7 (b3) for E. coli BL21 wt, ΔpatZ, ΔcobB, Δacs, ΔackA and ΔptaBack to article page