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Table 4 Cell recycling analysis during solventogenic phase showing lowering of biomass yield and increased solvent yield

From: Capturing the response of Clostridium acetobutylicumto chemical stressors using a regulated genome-scale metabolic model

  Wild type (0.32 h−1) Cell recycle (0.17 h−1)
Metabolites Lower flux bound Upper flux bound Lower flux bound Upper flux bound
Ammonia −2.94 −2.94 −2.35 −2.35
Phosphate −0.37 −0.37 −0.30 −0.30
Ethanol 8.39 8.73 6.92 10.00
Butanol 0.00 0.52 0.00 4.04
Acetone 0.00 0.20 0.00 1.52
  1. All the values represent production flux ranges with units of mmol gDW−1 h−1. Negative values indicate consumption instead of production. The numbers in parentheses indicate the maximum growth rate values. The solvent fluxes were converted to C mmol units to compare the overall solvent yields.