Query: NC_009706:830461 Clostridium kluyveri DSM 555 chromosome, complete genome Lineage: Clostridium kluyveri; Clostridium; Clostridiaceae; Clostridiales; Firmicutes; Bacteria General Information: Involved in production of caproic acid in co-culture with a methanogen. This species was enriched from mud in a co-culture with Methanobacterium omelianskii. When grown on ethanol C. kluyveri produce caproic acid in addition to acetic acid. This organism is able to grow anaerobically on ethanol and acetate as sole energy sources.
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General Information: This is the type strain (DSM 4304) of the Archaeoglobales, and was isolated from a geothermally heated sea floor at Vulcano Island, Italy. Doubling time is four hours under optimal conditions. The organism is an autotrophic or organotrophic sulfate/sulfite respirer. An additional distinguishing characteristic is blue-green fluorescence at 420 nm. This bacterium is the first sulfur-metabolizing organism to have its genome sequence determined. Growth by sulfate reduction is restricted to relatively few groups of prokaryotes; all but one of these are Eubacteria, the exception being the archaeal sulfate reducers in the Archaeoglobales. These organisms are unique in that they are only distantly related to other bacterial sulfate reducers, and because they can grow at extremely high temperatures. The known Archaeoglobales are strict anaerobes, most of which are hyperthermophilic marine sulfate reducers found in hydrothermal environments. High-temperature sulfate reduction by Archaeoglobus species contributes to deep subsurface oil-well 'souring' by iron sulfide, which causes corrosion of iron and steel in oil-and gas-processing systems.