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Fig. 5 | BMC Systems Biology

Fig. 5

From: The potential for non-adaptive origins of evolutionary innovations in central carbon metabolism

Fig. 5

High biomass yield and low waste production are associated with greater potential for preadaptation. a The x-axis shows the exaptation index, i.e., the number of carbon sources C new on which metabolisms viable on carbon source C (color legend) are viable. The y-axes show the average biomass yield. Data is based on metabolisms of size n=40. b Fraction of metabolisms excreting a given number of metabolites (x-axis) among metabolisms of size 40 that are viable on glucose. c Each circle shows the mean number of excreted metabolites (y-axis), and mean biomass (x-axis), among metabolisms of a given size that are viable on a given carbon source, colored according to the legend in (a). d Mean number of excreted metabolites (coded by shade of grey, see legend) among metabolisms of a given size (y-axis), that are viable on a given carbon source (x-axis). White colors correspond to metabolisms whose size is too small for viability on C

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