1932

Abstract

Methane produced in the biosphere is derived from two major pathways. Conversion of the methyl group of acetate to CH in the aceticlastic pathway accounts for at least two-thirds, and reduction of CO with electrons derived from H, formate, or CO accounts for approximately one-third. Although both pathways have terminal steps in common, they diverge considerably in the initial steps and energy conservation mechanisms. Steps and enzymes unique to the CO reduction pathway are confined to methanogens and the domain . On the other hand, steps and enzymes unique to the aceticlastic pathway are widely distributed in the domain , the understanding of which has contributed to a broader understanding of prokaryotic biology.

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/content/journals/10.1146/annurev.micro.112408.134051
2010-10-13
2024-03-28
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  • Article Type: Review Article
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