Sulfate reduction and possible aerobic metabolism of the sulfate-reducing bacteruim Desulfovibrio oxyclinae in a chemostat coculture with Marinobacter sp. strain MB under exposure to increasing oxygen concentrations

Article Abstract:

The obligate anaerobe Desulfovibrio oxyclinae can survive in an aerobic environment when grown in close association with an oxygen-scavenging bacterium such as Marinobacter. The sulfate-reducing anaerobe is found in cyanobacterial mats, which shift from oxygen-supersaturation during the day to anoxic conditions in the dark.

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Oxygen-dependent growth of the sulfate-reducing bacterium Desulfovibrio oxyclinae in coculture with Marinobacter sp. strain MB in a aerated sulfate-depleted chemostat

Article Abstract:

Desulfovibrio oxyclinae can grow in an aerobic environment even in the absence of sulfate and thiosulfate. When co-cultured with the facultative aerobe Marinobacter sp. MB in the presence of oxygen, the sulfur bacterium oxidized lactate to acetate.

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Transition from anaerobic to aerobic growth conditions for the sulfate-reducing bacterium Desulfovibrio oxyclinae results in flocculation

Article Abstract:

Desulfovibrio oxyclinae forms clumps under aerobic conditions, allowing the cells inside the clump to remain in an anaerobic environment. This could explain how this obligate anaerobe can survive in the oxic zones of cyanobacterial mats.

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