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Thousands of microbial genomes shed light on interconnected biogeochemical processes in an aquifer system [Nature communications]

Keywords : element cycles, metagenomics, microbial ecology

par Frédéric Magné - publié le

The subterranean world hosts up to one-fifth of all biomass, including microbial communities that drive transformations central to Earth’s biogeochemical cycles. However, little is known about how complex microbial communities in such environments are structured, and how inter-organism interactions shape ecosystem function. Here we apply terabase-scale cultivation-independent metagenomics to aquifer sediments and groundwater, and reconstruct 2,540 draft-quality, near-complete and complete strain-resolved genomes that represent the majority of known bacterial phyla as well as 47 newly discovered phylum-level lineages.(...)

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