Diversity of Bacteria and Archaea associated with a carbonate-rich metalliferous sediment sample from the Rainbow vent field on the Mid-Atlantic Ridge.

Abstract excerpt

Two sediment cores were collected in an inactive area of the deep-sea hydrothermal vent field Rainbow (36 degrees N on the Mid-Atlantic Ridge). Metals and carbonates were abundant throughout the cores; calcite (CaCO3) was found throughout the cores while dolomite [CaMg(CO3)2] and siderite (FeCO3) were only found in deeper layers. Using polymerase chain reaction (PCR)-amplified 16S rRNA gene sequence analysis, we...

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