Abstract
Coculture of a sulfate-reducing bacterium, when grown in the absence of added sulfate, with Methanobacterium bryantii, which uses only H2 and CO2 for methanogenesis, degraded formate to CH4. A pure culture of Desulfovibrio vulgaris JJ was able to produce small amounts of H2. Such a syntrophic relationship might provide an additional way to avoid formate accumulation in anaerobic environments.
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