Structure of extracellular polysaccharides of Escherichia coli strains 36m, 72m and 29m isolated from coligranuloma of chick intestine: III. Polysaccharide from E. coli 72M

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Summary The antigenic polysaccharide of Escherichia coli 72M was isolated from the chick intestine, consisted of glucuronic acid (2 moles), mannose (3 moles), galactose (2 moles), glucose (2 moles) and pyruvic acid (about 0.9 moles). It has a core sugar-chain of mannose polymer and highly branched structure. Its repeating unit structure was postulated by methylation, Smith degradation, partial acid hydrolysis and methanolysis.

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