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. 2016 Apr 1;10(11):2725–2733. doi: 10.1038/ismej.2016.49

Table 1. Thermodynamic energy under standard conditions (ΔG°_Rxn) for selected catabolic reactions.

Name	Reaction	dG° (KJ mol⁻¹, pH 7)	Citation
Glucose oxidation/Respiration	C₆H₁₂O₆+6O₂ −> 6HCO₃⁻ +6H⁺	−2843.8	Thauer et al. (1977)a
Homoacetic fermentation of glucose	C₆H₁₂O₆ −> 3C₂H₃O₂⁻+3H⁺	−310.9	Thauer et al. (1977)a
Ethanol fermentation of glucose	C₆H₁₂O₆+2H₂O −> 2C₂H₆O+2HCO₃⁻+2H⁺	−225.6	Thauer et al. (1977)a
Butyric acid fermentation of glucose	C₆H₁₂O₆+2H₂O −> 2HCO₃⁻+2H⁺+2H₂+C₄H₇O₂⁻	−214.6	Thauer et al. (1977)a
Lactic acid fermentation of glucose	C₆H₁₂O₆ −> 2 C₃H₅O₃⁻+2H⁺	−198.2	Thauer et al. (1977)a
Pyruvate fermentation of glucose	C₆H₁₂O₆ +2H₂O −> C₃H₃O₃⁻+C₂H₃O₂⁻+HCO₃⁻+3H⁺+3H₂	−159	Thauer et al. (1977)a
Methanogenesis (hydrogenotrophic)	4H₂+HCO₃⁻+H⁺ −> CH₄+3H₂O	−135.6	Seitz et al. (1988)
Lactate oxidation	C₃H₅O₃⁻+H₂O −> C₂H₃O₂⁻+2H₂+CO₂	−8.8	Walker et al. (2009)
Lactate oxidation with sulphate	C₃H₅O₃⁻+H⁺+0.5SO₄²⁻ −> 0.5H₂S+H₂O+CO₂+C₂H₃O₂⁻	−87.8	Thauer et al. (1977)a
Ethanol oxidation	C₂H₆O+H₂O −> C₂H₃O₂⁻+H₂+H⁺	9.6	Thauer et al. (1977)a
Butyrate degradation	C₄H₇O₂⁻+H₂O −> 2C₂H₃O₂⁻+H⁺+2H₂	48.3	Rodríguez et al. (2008)
	C₄H₇O₂⁻+2H₂+H⁺ −> C₄H₁₀O+H₂O	−56.4	Rodríguez et al. (2008)
Propionate degradation	2C₃H₅O₂⁻+2H₂O −> 3C₂H₃O₂⁻+H⁺+2H₂	48.4	Dolfing (2013)
	C₃H₅O₂⁻+3H₂O −> C₂H₃O₂⁻+HCO₃⁻+3H₂+H⁺	76.5	Dolfing (2013)
	C₃H₅O₂⁻+7H₂O −> 3HCO₃⁻+7H₂+2H⁺	181.1	Thauer et al. (1977)
Glycolate degradation	C₂H₃O₃⁻+H⁺+H₂O −> 2CO₂+3H₂	19.3	Schink (1997)
Acetate degradation	C₂H₃O₂⁻+H⁺+2H₂O −> 2CO₂+4H₂	94.6	Schink (1997)
Methanogenesis (acetoclastic)	C₂H₃O₂⁻+H₂O −> CH₄+HCO₃⁻	−31.1	Schink (1997)

^a

Computed according to listed formation energies.

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