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Title: Structural characterization of the O-polysaccharide antigen of Edwardsiella tarda MT 108. Author: Vinogradov E, Nossova L, Perry MB, Kay WW. Journal: Carbohydr Res; 2005 Jan 17; 340(1):85-90. PubMed ID: 15620670. Abstract: Edwardsiella tarda, a Gram-negative bacterium, is an important cause of hemorrhagic septicemia in fish and also of gastro- and extraintestinal infections in humans. The lipopolysaccharide produced by the fish pathogenic strain E. tarda MT 108 was isolated and the structure of its antigenic O-polysaccharide component determined by the application of chemical analyses, high-resolution 1D and 2D nuclear magnetic resonance spectroscopy, and mass spectrometry. The polysaccharide was found to be a polymer of a repeating pentasaccharide unit composed of 2-acetamido-2-deoxy-D-glucose (D-GlcNAc), 2-acetamido-2-deoxy-D-galactose (D-GalNAc), D-galactose (D-Gal), L-rhamnose (L-Rha), D-galacturonic acid (D-GalA) and (2S,3R)-threonine (1:1:1:1:1:1) having the structure: [structure: see text].[Abstract] [Full Text] [Related] [New Search]