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Biogeographical distribution and diversity of microbes in methane hydrate-bearing deep marine sediments on the Pacific Ocean Margin.
TLDR
Results from cluster and principal component analyses, which include previously reported data from the West and East Pacific Margins, suggest that, for these locations in the Pacific Ocean, prokaryotic communities from methane hydrate-bearing sediment cores are distinct from those in Hydrate-free cores.
Genetic diversity of archaea in deep-sea hydrothermal vent environments.
TLDR
W Whole cell in situ hybridization analysis suggested that some microorganisms of novel phylotypes predicted by molecular phylogenetic analysis were likely present in deep-sea hydrothermal vent environments.
Microbial Communities Associated with Geological Horizons in Coastal Subseafloor Sediments from the Sea of Okhotsk
TLDR
The porous ash layers of the southwestern Sea of Okhotsk appear to be discrete microbial habitats within the coastal subseafloor clay sediment, which are capable of harboring microbial communities that are very distinct from the communities in the more abundant pelagic clays.
Archaeal Diversity in Waters from Deep South African Gold Mines
TLDR
The results suggest that deep South African gold mines harbor novel archaeal communities distinct from those observed in other environments, and the evolutionary relationship and the phylogenetic organization of the domain Archaea are re evaluated.
The versatile ε-proteobacteria: key players in sulphidic habitats
TLDR
An overview of the taxonomic classification for the class is presented, ecological and metabolic data in key sulphidic habitats are reviewed, and the ecological and geological potential of the ε-proteobacteriain modern and ancient systems are considered.
Cell proliferation at 122°C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation
TLDR
Under conventional growth conditions, the isotope fractionation of methanogenesis by M. kandleri strain 116 was similar to values previously reported for other hydrogenotrophic methanogens, but under high hydrostatic pressures, the atom fractionation effect became much smaller, and the kinetic isotope effect was one of the smallest effects ever reported.
Sulfurimonas autotrophica gen. nov., sp. nov., a novel sulfur-oxidizing epsilon-proteobacterium isolated from hydrothermal sediments in the Mid-Okinawa Trough.
TLDR
A novel mesophilic, sulfur- and thiosulfate-oxidizing bacterium, strain OK10(T), was isolated from deep-sea sediments at the Hatoma Knoll in the Mid-Okinawa Trough hydrothermal field and represents the sole species of a new genus, Sulfurimonas autotrophica, proposed.
The versatile epsilon-proteobacteria: key players in sulphidic habitats.
TLDR
An overview of the taxonomic classification for the class is presented, ecological and metabolic data in key sulphidic habitats are reviewed, and the ecological and geological potential of the epsilon-proteobacteria in modern and ancient systems are considered.
Insights into the evolution of Archaea and eukaryotic protein modifier systems revealed by the genome of a novel archaeal group
TLDR
The genome sequence of Candidatus ‘Caldiarchaeum subterraneum’ is shown that represents an uncultivated crenarchaeotic group and indicates that a prototype of the eukaryotic protein modifier system is present in the Archaea.
Sulfurimonas paralvinellae sp. nov., a novel mesophilic, hydrogen- and sulfur-oxidizing chemolithoautotroph within the Epsilonproteobacteria isolated from a deep-sea hydrothermal vent polychaete
TLDR
Strain GO25(T) represents the first deep-sea epsilonproteobacterium capable of growth by both hydrogen and sulfur oxidation and is proposed as the reclassification of Thiomicrospira denitrificans as Sulfurimonas denitRificans comb.
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