ARCHAEAL EVOLUTION

Sediment, methane and energy

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Three recent metagenomic studies analyse methanogenesis-related genes in previously uncharacterized, sediment-inhabiting archaeal lineages. They elucidate the metabolic capacity encoded in the genomes of these lineages, yet how these organisms harness energy is still a mystery.

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Fig. 1: Proposed energy metabolisms in MAGs and cultured K. cryptophilum.

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Correspondence to Joana C. Xavier or William F. Martin.

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Xavier, J.C., Martin, W.F. Sediment, methane and energy. Nat Microbiol 4, 547–549 (2019) doi:10.1038/s41564-019-0417-6

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