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Journal Articles Annual Review of Microbiology Year : 2022

Diversity and Evolution of Methane-Related Pathways in Archaea

Abstract

Methane is one of the most important greenhouse gases on Earth and holds an important place in the global carbon cycle. Archaea are the only organisms that use methanogenesis to produce energy and rely on the methyl–coenzyme M reductase complex (Mcr). Over the last decade, new results have significantly reshaped our view of the diversity of methane-related pathways in the Archaea. Many new lineages that synthesize or use methane have been identified across the whole archaeal tree, leading to a greatly expanded diversity of substrates and mechanisms. In this review, we present the state of the art of these advances and how they challenge established scenarios of the origin and evolution of methanogenesis, and we discuss the potential trajectories that may have led to this strikingly wide range of metabolisms.
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pasteur-04075856 , version 1 (21-04-2023)

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Attribution - NonCommercial

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Pierre Simon Garcia, Simonetta Gribaldo, Guillaume Borrel. Diversity and Evolution of Methane-Related Pathways in Archaea. Annual Review of Microbiology, 2022, 76 (1), pp.727-755. ⟨10.1146/annurev-micro-041020-024935⟩. ⟨pasteur-04075856⟩

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