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.

Anaerobic bacteria

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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.

Usage, Genetic aspects, Nuclear magnetic resonance spectroscopy, Sulfur bacteria, Sulphur bacteria

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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.

Methods, Gas chromatography, Sulfates

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