Query: NC_009831:1255995 Shewanella sediminis HAW-EB3, complete genome Lineage: Shewanella sediminis; Shewanella; Shewanellaceae; Alteromonadales; Proteobacteria; Bacteria General Information: Shewanella sediminis was isolated from sediment taken at a depth of 215 meters from an unexploded-ordinance-dumping site 50 nautical miles from Halifax Harbor, Canada in the Atlantic Ocean. This organism is able to degrade hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) anaerobically at 10 degrees C. RDX is a member of a family of nitramine compounds which are used in the production of explosives. Shewanella are facultatively anaerobic, Gram-negative bacteria, motile by polar flagella, rod-like, and generally associated with aquatic or marine environments.
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General Information: This bacterium was isolated from a seawater sediment sample in the North Sea. The species is able to use Mihagol-S (C14,15-n-alkanes) as a principal carbon source. Using n-alkanes as a sole carbon source causes the strains to produce extracellular and membrane-bound surface-active glucose lipids. Phenotypic analysis showed a restricted nutritional profile, high halotolerance, the absence of fermentative metabolism, and a low G+C content. This, in combination with a 16S phylogenetic study, allowed the placing of this organism into a new genus.