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Carbohydr Res. 1986 Nov 15;156:107-22.

The structure of the antigenic lipopolysaccharide O-chains produced by Salmonella urbana and Salmonella godesberg.


The lipopolysaccharides of Salmonella urbana and Salmonella godesberg, which belong in group N (O:30) of the Kauffmann-White system, were shown by SDS-PAGE electrophoresis, glycose analysis, periodate oxidation, methylation, and 1H- and 13C-n.m.r. analyses to have identical O-chains composed of repeating, branched pentasaccharide units having the structure: [----4)-beta-D-Glcp-(1----3)-alpha-D-GalNAcp-(1----2)-alpha-D-P erNAcp-(1----3)-alpha-L-Fucp-(1----]n 4 increases 1 beta-D-Glcp. The serological cross-reactivity of S. urbana and S. godesberg with Brucella abortus and Yersinia enterocolitica (O:9) can now be related to the presence of a 1,2-glycosylated N-acyl derivative of 4-amino-4,6-dideoxy-alpha-D-mannopyranosyl residues in their respective lipopolysaccharide O-chains.

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