Fig. 3

Fermentation balances of Sulfurospirillum spp. during fermentation. Substrate and fermentation product concentrations of S. multivorans (a) and S. cavolei (b) during fermentative growth on 40 mM pyruvate as measured in the fermentation apparatus. Graphs are representative of three independent biological replicates; the replicate graphs are shown in Supplementary Figures 7 and 8