ArticleFrontiers in microbiology2026
Metagenomic insights into microbial communities of terrestrial mud volcanos: functional diversity of subsurface archaea and bacteria.
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Terrestrial mud volcanoes are surface geological features where fluidized sediments and gasses from the subsurface are discharged along a fracture network providing a window into the deep biosphere. Although mud volcanoes constitute an important source of methane emission from natural environments, their microbial communities responsible for methane cycling remain poorly characterized. Using a metagenomics approach, we investigated the taxonomic composition and metabolic potential of microbial communities in three active mud volcanoes in the Kerch-Taman mud volcanic province. Despite the volcanoes' close proximity their microbial communities strongly differ. In the Kmv1 and Kmv2 volcanoes surface horizons mostly harbored organotrophic microbial communities, while the relative abundance of anaerobic methanotrophic archaea (ANME) increased with depth. The deep horizons (1.5 m) of Kmv1 were dominated by
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