Query: NC_007954:2440000 Shewanella denitrificans OS217, complete genome Lineage: Shewanella denitrificans; Shewanella; Shewanellaceae; Alteromonadales; Proteobacteria; Bacteria General Information: Isolated from the Gotland Deep, an anoxic basin in the central Baltic Sea in 1986 from a depth of 120-130 m. Denitrifying marine bacterium. This genus includes species that inhabit a wide range of environments and are capable of utilizing a wide variety of electron acceptors during anaerobic respiration including some insoluble metal oxides while using very few carbon sources such as lactate or acetate. This group of organisms have been studied extensively for their electron transport systems. Shewanella denitrificans is a vigorous denitrifier, able to convert nitrite and nitrate to nitrogen. This organism has been isolated from seawater and may play a significant role in nitrogen cycling in marine environments.
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General Information: This strain of O157:H7 was isolated in a 1997 outbreak in Sakai, Japan. This organism was named for its discoverer, Theodore Escherich, and is one of the premier model organisms used in the study of bacterial genetics, physiology, and biochemistry. This enteric organism is typically present in the lower intestine of humans, where it is the dominant facultative anaerobe present, but it is only one minor constituent of the complete intestinal microflora. E. coli, is capable of causing various diseases in its host, especially when they acquire virulence traits. E. coli can cause urinary tract infections, neonatal meningitis, and many different intestinal diseases, usually by attaching to the host cell and introducing toxins that disrupt normal cellular processes.