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No sulfate reduction

2014Posted by Ruth Vingerhagen Feb 12, 2016 14:59

We had observed a positive correlation between the oxygen and sulfur isotopes of sulfate in the stream water from Dryadbreen (glaciated catchment). This is often attributed to sulfate reduction. At the temperatures found on the Earth's surface this reaction is microbially mediated so to see if any microbes were reducing sulfate we looked for the dsrAB gene. But we didn't find any which means something else is causing that correlation...

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