Fig. 2. E. coli culture organic byproduct carbon yields as a function of dilution rate and limiting nutrient: (a) acetic acid, (b) lactic acid, (c) pyruvic acid and (d) formic acid. •, Glucose-limited; ▪, iron-limited; ▴, ammonium-limited. Data represent mean ± sem (n>3). Iron- and glucose-limited data from Folsom et al. (2014).
