Carbon isotopic fractionation by Archaeans and other thermophilic prokaryotes

By C. House, J. Schopf, K. Stetter. 2003

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Beyond the Calvin cycle: autotrophic carbon fixation in the ocean. (2011, background): “Different carbon fixation pathways result in distinct isotopic signatures of the produced biomass due to the isotopic discrimination between light (12C) and heavy (13C) carbon by the carboxylating enzymes (Fuchs 1989, House et al. 2003, Schouten et al. 2004, Berg et al. 2010a).”
Acetogenesis in Deep Subseafloor Sediments of The Juan de Fuca Ridge Flank: A Synthesis of Geochemical, Thermodynamic, and Gene-based Evidence (2010, background): “Discrimination against 13C is the norm in lithoautotrophic pathways and particularly pronounced in the reductive acetyl CoA pathway (House et al. 2003).”
Cell proliferation at 122°C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation (2008, background): “kandleri strain AV19 and many other hydrogenotrophic methanogens (26, 27).”
Biogeochemical signatures through time as inferred from whole microbial genomes (2005, methodology): “For this, we downloaded data matrices containing the presence or absence of homologous gene families in individual prokaryotes, as calculated in House and others (2003b).”