Abstract
The eight electron reduction of CO2 to methane proceeds through the oxidation levels formate, formaldehyde and methanol. In this process the C1-unit remains bound to three unique C1-carriers, methanofuran, 5,6,7,8-tetrahydromethanopterin (H4MPT) and coenzyme M (HS-CoM, 2-mercaptoethane-sulfonic acid) [1,2,3] (Fig. 1). The pathway shown in Fig. 1 was established for Methanobacterium thermoautotrophicum, but the presence of the typical C1-carriers in all species tested suggests that this CO2 reduction route is common to all hydrogenotrophic methanogenic bacteria [4].
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© 1987 Martinus Nijhoff Publishers, Dordrecht
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van der Drift, C., Keltjens, J.T., Vogels, G.D. (1987). Intermediary Steps in Methanogenesis. In: van Verseveld, H.W., Duine, J.A. (eds) Microbial Growth on C1 Compounds. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3539-6_8
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DOI: https://doi.org/10.1007/978-94-009-3539-6_8
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