Query: NC_010730:952574 Sulfurihydrogenibium sp. YO3AOP1, complete genome
Lineage: Sulfurihydrogenibium; Sulfurihydrogenibium; Hydrogenothermaceae; Aquificales; Aquificae; Bacteria
General Information: Carbon fixation. Unable to oxidize hydrogen although hydrogen oxidation was thought to be universal in this group. Isolated from near-neutral-pH terrestrial hot springs in Obsidian Pool in Yellowstone National Park, USA.
Subject: NC_012115:961883 Nautilia profundicola AmH, complete genome
Lineage: Nautilia profundicola; Nautilia; Nautiliaceae; Nautiliales; Proteobacteria; Bacteria
General Information: Thermophilic sulfur-reducing bacterium. Nautilia can be isolated from the epidermis of the hydrothermal vent worm, Alvinella pompejana and from hydrothermal vent chimneys. These organisms grow chemoautotrophically on hydrogen, sulfur, and CO2. Nautilia profundicola is a thermophilic, hydrogen-oxidizing, sulfur-reducing chemoautotroph that uses the reductive TCA cycle for carbon fixation. It is a member of the deepest branch of the Epsilonproteobacteria and is a model organism of the anaerobic autotrophic Epsilonproteobacteria at hydrothermal vents.