This study elucidates the microbial and metabolic basis of mammalian aquatic herbivory, identifying a metabolic pathway for epilactose utilization that expands the known functional landscape of gut ca...

Abstract. Microorganism-mediated arsenate (As(V)) reduction plays a critical role in arsenic mobility and microbial adaptation in arsenic-contaminated anox

The intestinal microbiota is a critical determinant of mucosal homeostasis, yet the functional contributions of Archaea—which constitute up to 10% ...

Eukaryotic cells are thought to have arisen from the archaeal phylum Promethearchaeota, formerly called the Asgard archaea, but the first cultured…

Anaerobic digestion is a key technology for converting organic waste into renewable energy, yet the microbial processes underlying its efficiency remain largely hidden. By reconstructing 390 microbial genomes from digestion systems fed with different sugar-derived substrates, this study unveils how specific substrates shape microbial communities and reveals unexpected metabolic pathways for methane production. These findings challenge long-standing assumptions about which organisms perform key steps in the process, provide a valuable genomic resource for the field, and offer concrete targets for improving waste-to-energy systems through microbiome engineering.

Methanoglobus dolicholipophagus AA-75 is a thermophilic archaeon isolated from a Chinese petroleum reservoir that converts methanol into methane, carbon dioxide and acetate, and uses saturated and&nbs...

Background Methane production by ruminants, a major anthropogenic source of global greenhouse gas emissions, is driven by ruminal methanogens that utilize hydrogen (H₂), an end-product of microbial fe...

Methanoglobus dolicholipophagus AA-75 is a thermophilic archaeon isolated from a Chinese petroleum reservoir that converts methanol into methane, carbon dioxide and acetate, and uses saturated and&nbs...

Abstract. Archaea play essential roles in global biogeochemical cycles, yet their diversity in environmental samples remains understudied. Limited coverage

Background Reducing methane (CH4) released from the rumen of cattle is essential for lowering greenhouse gas emissions from livestock. Methanogens, the archaea responsible for producing CH4, are the d...

γ‑Hexachlorocyclohexane (γ‑HCH) is a representative organochlorine pesticide and a well‑known persistent organic pollutant that poses significant risks to ecosystems and human health. Microbial anaerobic degradation is a key process in the natural attenuation and engineered cleanup of γ‑HCH contamination. The effective application of obligate organohalide-respiring bacteria often requires precise management. In parallel, newly discovered non‑obligate organohalide-respiring bacteria capable of degrading γ‑HCH have emerged as promising alternatives, yet their performance and ecological interactions in realistic sediment systems remain poorly understood. This study examines the degradation mechanisms and microbial ecology of non-obligate organohalide-respiring bacterial functional consortia in complex media. The findings provide critical insights for developing effective bioaugmentation strategies for lindane‑contaminated coastal wetlands and may offer a useful framework for managing other recalcitrant halogenated pollutants in similar environments.

Cryo-electron microscopy of a nitrogenase supercomplex from a methane-producing archaeon reveals a mechanism in which PII proteins drive assembly of such structures to regulate nitrogenase activity in...

Methanogenic archaea, capable of producing organic matter from hydrogen and CO2 emanating from the mantle, constitute one of the key functional groups of mic...

Saturn’s icy moon Enceladus features chemical signatures consistent with an alkaline soda ocean with H2 production via hydrothermal water-rock reactions. Chemolithoautotrophic methanogenesis is thermo...

ArmA from Methanobrevibacter smithii, a dominant member of the human gut microbiome, is identified and characterized as a glycosyl hydrolase specific for cleaving the cell wall of methanogens, reveali...

In the hydrogenotrophic methanogenic pathway, formylmethanofuran dehydrogenase (Fmd) reduces and fixes CO2, driven by low-potential electrons provided by electron-bifurcating heterodisulfide reductase...