Geochemical reactions in upper layers of marine sediments are coupled to those in deeper zones. It turns out that centimetre-long bacterial filaments acting as electrical cables are the metabolic link between the layers. See Article p.218
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Notes
*This article and the paper under discussion1 were published online on 24 October 2012.
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Reguera, G. Bacterial power cords. Nature 491, 201–202 (2012). https://doi.org/10.1038/nature11638
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DOI: https://doi.org/10.1038/nature11638