Fig. 2
From: Improving l-serine formation by Escherichia coli by reduced uptake of produced l-serine

Time courses of l-serine concentration and biomass. l-serine concentration (filled triangle), cell growth (filled square) and specific growth rate (filled circle) of E. coli ES growing in LB medium without l-serine (a), with 2 g/L l-serine (b) and with 4 g/L l-serine (c)