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HydrogenobacterRANK: GenusTAXONOMY: cellular organisms -> Bacteria -> Aquificae -> Aquificae -> Aquificales -> Aquificaceae -> Hydrogenobacter OVERVIEW: Straight rods, 0.3–0.5 × 2.0–3.0 µm, occurring singly or in pairs. Gram-negative. Nonmotile; cells do not possess flagella. Endospores absent. Aerobic. Optimum temperature: 70–75°C; maximum temperature: ~80°C. The optimum pH for growth is around neutrality. Chemolithotrophic, using H2 and thiosulfate as electron donor and CO2 as carbon source. Chemoorganotrophic growth has not been observed. Growth factors are not required. The mol% G + C of the DNA is: 43.5–43.9. Type species: Hydrogenobacter thermophilus |