Acetylene as a substrate in the development of primordial bacterial communities

Details Acetylene as a substrate in the development of primordial bacterial communities Acetylene as a substrate in the development of primordial bacterial communities

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988orli...18..397c&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 18, Issue 4, pp.397-407

Physics

2

Scientific paper

The fermentation of atmospheric acetylene by anaerobic bacteria is proposed as the basis of a primordial heterotrophic food chain. The accumulation of fermentation products (acetaldehyde, ethanol, acetate and hydrogen) would create niches for sulfate-respiring bacteria as well as methanogens. Formation of acetylene-free environments in soils and sediments would also alter the function of nitrogenase from detoxification to nitrogen-fixation. The possibility of an acetylene-based anaerobic food chain in Jovian-type atmospheres is discussed.

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