Query: NC_010002:6104500 Delftia acidovorans SPH-1, complete genome Lineage: Delftia acidovorans; Delftia; Comamonadaceae; Burkholderiales; Proteobacteria; Bacteria General Information: This species was isolated from soil enriched with acetamide in Delft in the Netherlands. It was originally classified as Comamonas acidivorans in 1926, and redescribed and characterized in 1999. This organism is found in soil, sediment, activated sludge, crude oil, water, and various clinical samples.
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General Information: This organism was first isolated from the soil in Vineland, New Jersey, although it is found worldwide. It is a large obligate aerobe that has one of the highest respiratory rates of any organism. Azotobacter vinelandii also produces a number of unusual nitrogenases which allow it to fix atmospheric nitrogen to ammonia, a compound it can then use as a nitrogen source. It protects the oxygen-sensitive nitrogenase enzymes through its high respiratory rate, which sequesters the nitrogenase complexes in an anoxic environment. This organism has a number of unusual characteristics. Under extreme environmental conditions, the cell will produce a cyst that is resistant to dessication and is surrounded by two capsular polysaccharide layers. This organism produces two industrially important polysaccharides, poly-beta-hydroxybutyrate (PHB) and alginate. PHB is a thermoplastic biopolymer, and alginate is used in the food industry. Alginate is also used by the pathogen Pseudomonas aeruginosa to infect the lungs of cystic fibrosis patients.