Figure 2

The effect of varying biomass production on the fractional benefit values of (A) cytochrome c and (B) NADH production. The fractional benefit B, plotted on the vertical axis, is a measure of success in achieving the combined goals of maximal growth rate and DET or MET flux. Maximizing one of these at a time, as at the endpoints, gives only B = 50%. The graphs show that relative to this, gains in DET or MET flux can more than offset losses of growth rate in the S. oneidensis MR-1 metabolism.