Query: NC_010368:140500 Halobacterium salinarum R1 plasmid PHS3, complete sequence Lineage: Halobacterium salinarum; Halobacterium; Halobacteriaceae; Halobacteriales; Euryarchaeota; Archaea General Information: Chemoheterotrophic obligate extreme halophilic archeon. Halobacterial species are obligately halophilic microorganisms that have adapted to optimal growth under conditions of extremely high salinity 10 times that of sea water. This bacterium (strain R1; DSM 671) is an obligately halophilic archeon and represents the type species for the genus Halobacterium. The first recorded isolation of this organism came from the spoilage of salted fish. It is also commonly found in neutral salt lakes, marine salterns, proteinaceous products heavily salted with crude solar salt and ancient evaporate deposits.
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General Information: A sulfate reducing bacterium. These organisms typically grow anaerobically, although some can tolerate oxygen, and they utilize a wide variety of electron acceptors, including sulfate, sulfur, nitrate, and nitrite. A number of toxic metals are reduced, including uranium (VI), chromium (VI) and iron (III), making these organisms of interest as bioremediators. Metal corrosion, a problem that is partly the result of the collective activity of these bacteria, produces billions of dollars in losses each year to the petroleum industry. These organisms are also responsible for the production of poisonous hydrogen sulfide gas in marine sediments and in terrestrial environments such as drilling sites for petroleum products. This species is a sulfate reducer commonly found in a variety of soil and aquatic environments.