Query: NC_002607:1868371 Halobacterium sp. NRC-1, complete genome Lineage: Halobacterium; Halobacterium; Halobacteriaceae; Halobacteriales; Euryarchaeota; Archaea General Information: Chemoheterotrophic obligate extreme halophilic archeon. This microbe (strain ATCC 700922) is an obligately halophilic archeon that has adapted to growth under conditions of extremely high salinity. Motility is via tufts of polar flagella and intracellular gas vesicles are used for buoyancy. This organism grow aerobically and its ease of culturing combined with the availability of established methods of genetic manipulation in the laboratory make it an ideal model organism for study of the archaea.
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General Information: This strain was isolated from Glycine hispida in 1959 in Florida, USA, and has been widely studied because of its superior symbiotic nitrogen fixation with soybeans as compared to other strains. This strain contains a 681 Kb symbiosis island that contains genes for nitrogen fixation and root nodule formation. The chromosome also contains genes resembling those of type III and IV secretion systems.