Structure of an acidic exopolysaccharide of Pseudomonas marginalis HT041B.
The exopolysaccharide of Pseudomonas marginalis HT041B has been characterized as a 1,3-linked galactoglucan in which galactose and glucose are in the alpha- and beta-anomeric configurations, respectively. The polysaccharide is substituted with pyruvate at the 4 and 6 positions of galactose and with succinic acid at either the 2 or 4 position of glucose. This polysaccharide has been given the trivial name marginalan.
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Department of Plant Science, U.S. Department of Agriculture, Philadelphia, Pennsylvania 19118.
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D002241:Carbohydrates / Q000032:analysis; D006026:Glycoside Hydrolases; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D009844:Oligosaccharides / Q000032:analysis; D011135:Polysaccharides, Bacterial / Q000302:isolation & purification*; D011549:Pseudomonas / Q000276:immunology*
D002241:Carbohydrates; D009844:Oligosaccharides; D011135:Polysaccharides, Bacterial; D006026:Glycoside Hydrolases