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Table 1 Summary of reactions performed by C. autoethanogenum and C. kluyveri

From: Production of medium-chain fatty acids and higher alcohols by a synthetic co-culture grown on carbon monoxide or syngas

  Product Reaction
Clostridium autoethanogenum Acetate 4 CO + 2 H2O CH3COO + H+ + 2 CO2
Ethanol 6 CO + 3 H2O C2H5OH + 4 CO2
Alcohols indirecta 2 CO + H2O + Xn–COOH + H+ Xn–CH2OH + 2 CO2
Clostridium kluyveri Butyrateb 6 C2H5OH + 4 CH3COO 5 C3H7COO + H+ + 3 H2O + 2 H2
Caproateb 6 C2H5OH + 5 C3H7COO 5 C5H11COO + CH3COO + H+ + 3 H2O + 2 H2
  1. a X n displays a saturated carbon chain of length n
  2. b Reaction stoichiometry of butyrate and caproate formation might differ based on the concentrations of substrates available