13C Nuclear Magnetic Resonance Studies of Propionate Catabolism in Methanogenic Cocultures |
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Authors: | J. E. Robbins |
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Abstract: | Propionate catabolism was monitored in anaerobic cocultures of propionate-degrading and methanogenic bacteria. Metabolism was monitored by use of 13C-enriched propionate and succinate. The intermediates identified indicated that the methylmalonyl coenzyme A pathway was used in these cultures. The data also indicated that a transcarboxylation reaction between succinate and propionyl coenzyme A occurred, yielding propionate and methylmalonyl coenzyme A. |
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