Query: NC_006138:23902 Desulfotalea psychrophila LSv54, complete genome Lineage: Desulfotalea psychrophila; Desulfotalea; Desulfobulbaceae; Desulfobacterales; Proteobacteria; Bacteria General Information: This organism was isolated from marine sediments off of the coast of Svalbard, and can grow at temperatures as low as -1.7 degrees C. Sulfate-reducing bacterium. This organism grows on more complex organic compounds such as acetate, propionate, butyrate, lactate as well as by using simpler compounds such as hydrogen. This organism is an important part of global biogeochemical cycling of carbon and other nutrients.
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General Information: This is the type strain for this organism, which was isolated from a hydrothermal vent at a depth of 1300 m from the Lo'ihi Seamount southeast of Hawaii. This organism grows optimally in salt concentrations of 7.5 to 10%. Genome comparison has suggested that the bacterium has maintained its amino acid transport and degradation systems but lost sugar transport and certain sugar metabolic genes suggesting that it lives on amino acids rather than sugars. This may be in keeping with the environment this organism grows in, which is at hydrothermal deep sea vents that are characterized by collections of proteinaceous particles. This organism may colonize these particles by producing exopolysaccharides.