Query: NC_007681:402773 Methanosphaera stadtmanae DSM 3091, complete genome Lineage: Methanosphaera stadtmanae; Methanosphaera; Methanobacteriaceae; Methanobacteriales; Euryarchaeota; Archaea General Information: Isolated from human feces. Methanogen that uses methanol and hydrogen to produce methane. This organism produces methane from methanol and hydrogen unlike most methanogens that use carbon dioxide and hydrogen.
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General Information: Rhodospirillum centenum, also called Rhodocista centenaria, is a nitrogen-fixing photoheterotroph with a complex life cycle. R. centenum is one of the few known thermotolerant purple bacteria species with optimal growth temperature of 44 dgrees C and a maximal growth temperature of 48 degrees C. In liquid media this organism is motile by a single polar flagellum. R. centenum produces lateral flagella to become a swarming cell. Under low nutrient conditions R. centenum forms a desiccation- and UV-resistant cyst. R. centenum can often be cultivated from hot springs such as those found at Yellowstone National Park. R. centenum is emerging as a model organism for genetic and molecular genetic analysis of cyst formation.