Anaerobic oxidation of n-dodecane by an addition reaction in a sulfate-reducing bacterial enrichment culture

Article Abstract:

Researchers report a novel bioconversion of alkanes by sulfate-reducing bacteria under anaerobic conditions. The reaction proceeds without resonance stabilization by a conjugated pi system.

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Stable isotopic studies of n-alkane metabolism by a sulfate-reducing bacterial enrichment culture

Article Abstract:

Gas chromatography-mass spectrometry and nuclear magnetic resonance spectroscopy were used to study the metabolism of deuterated n-alkanes and 1-(super 13)C-labeled n-hexane by a highly enriched sulfate-reducing bacterial culture. All substrates were activated through fumarate addition to form the corresponding alkylsuccinic acid derivatives as transient metabolites.

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Comparison of mechanisms of alkane metabolism under sulfate-reducing conditions among two bacterial isolates and a bacterial consortium

Article Abstract:

The metabolites formed during growth on hexadecane were surveyed by the sulfate reducing isolates AK-01 and Hxd3 and by a mixed sulfate reducing consortium. The findings suggest that fumarate addition and carboxylation are important alkane degradation mechanisms that may be widespread among phylogenetically and/or physiologically distinct microorganisms.

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