Query: NC_014803:475355 Pseudoalteromonas sp. SM9913 chromosome chromosome I, complete Lineage: Pseudoalteromonas; Pseudoalteromonas; Pseudoalteromonadaceae; Alteromonadales; Proteobacteria; Bacteria General Information: Pseudoalteromonas is a genus of gamma-proteobacteria that is widespread in the world's oceans, from surface water to deep-sea sediments. Pseudoalteromonas sp. SM9913, isolated from deep-sea sediment at a water depth of 1855 meters near the Okinawa Trough, is a psychrophilic strain that produces a large quantity of proteases and exopolysaccharides (EPSs), indicating its function in the degradation of sedimentary particulate organic nitrogen and its potential uses in biotechnology applications.
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General Information: This organism was discovered in 1819 by Bizio who named the organism after the Italian physicist Serrati. It was considered a nonpathogenic organism until late in the 20th century, although pathogenicity was noted as early as 1913. Serratia marcescens is an opportunistic human pathogen that is increasingly associated with life-threatening hospital-acquired infections. It is an environmental organism that has a broad host range, and is capable of infecting vertebrates and invertebrates, as well as plants. In humans, Serratia marcescens can cause meningitis (inflammation of the membrane surrounding the brain and spinal cord), endocarditis (inflammation of heart muscle) and pyelonephritis (inflammation of the kidneys). Many strains are resistant to multiple antibiotics. Environmental isolates are noted by production of the red pigment prodigiosin.