Potential Mechanisms for Microbial Energy Acquisition in Oxic Deep-Sea Sediments.

ABSTRACT:

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The South Pacific Gyre (SPG) possesses the lowest rates of sedimentation, surface chlorophyll concentration, and primary productivity in the global oceans. As a direct result, deep-sea sediments are thin and contain small amounts of labile organic carbon. It was recently shown that the entire SPG sediment column is oxygenated and may be representative of up to a third of the global marine environment. To understand the microbial processes that contribute to the removal of the labile organic matter at the water-sediment interface, a sediment sample was collected and subjected to metagenomic sequencing and analyses. Analysis of nine partially reconstructed environmental genomes, which represent approximately one-third of the microbial community, revealed that the members o

SUBMITTER: Tully BJ 

PROVIDER: S-EPMC4959193 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature