Article
Close association of active nitrifiers with Beggiatoa mats covering deep-sea hydrothermal sediments.
Environmental microbiology - 1 Jun 2014
Winkel Matthias, de Beer Dirk, Lavik Gaute, Peplies Jörg, Mußmann Marc
Abstract excerpt
Hydrothermal sediments in the Guaymas Basin are covered by microbial mats that are dominated by nitrate-respiring and sulphide-oxidizing Beggiatoa. The presence of these mats strongly correlates with sulphide- and ammonium-rich fluids venting from the subsurface. Because ammonium and oxygen form opposed gradients at the sediment surface, we hypothesized that nitrification is an active process in these Beggiatoa...
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