Fig. 3From: Metabolic engineering of Escherichia coli BL21 (DE3) for de novo production of l-DOPA from d-glucoseFed-batch l-DOPA production in a 5 L bioreactor. Metabolites and cell growth during fed-batch fermentation are indicated. a E. coli LP-7; b E. coli LP-8. Symbols: Black squares: l-DOPA concentration; Gray Up-triangles: l-tyrosine concentration; Black Down-triangles: Melanin concentration; Gray circles: OD600Back to article page