The O-specific polysaccharide of Salmonella arizonae 045 (Arizona 11) is acidic and has a branched hexasacharide repeating unit containing two residues of L-fucose, one residue each of o-galactose, D-ribose, o-glucuronic acid, and 2-acetamido-2-deoxy-D-glucose, and an 0-acetyl group. It was studied
The structure of the O-specific polysaccharide of Salmonella arizonae O62
β Scribed by Evgeny V. Vinogradov; Yuriy A. Knirel; Nikolay K. Kochetkov; Siegfried Schlecht; Hubert Mayer
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 502 KB
- Volume
- 253
- Category
- Article
- ISSN
- 0008-6215
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β¦ Synopsis
The O-specific polysaccharide was liberated by mild acid hydrolysis of the lipopolysaccharide (LPS) isolated from S. ankonue 062 by phenol-water extraction. The branched hexasaccharide repeating-unit of the O-specific chain of the 062 LPS contained L-rhamnose, 2-acetamido-2-deoxy-p-glucose, and 2-acetamido-2-deoxy-o-galacturonic acid in molar ratios of 4 : 1: 1. On the basis of methylation analysis, 'H and 13C NMR spectroscopy, including 2D shift-correlated (COSY) and 1D NOE spectroscopy, the following structure for the repeating unit of the O-specific polysaccharide was established:
π SIMILAR VOLUMES
The O-specific polysaccharide was obtained by mild degradation of the Salmonella arizonae O61 lipopolysaccharide with acid. It contained 2-acetamido-2-deoxy-D-glucose, 2-acetamidino-2,6-dideoxy-L-galactose (FucAm), and 7-acetamido-3,5,7,9-tetradeoxy-5-[(R)-3-hydroxybutyramido]-D- glycero-L-galacto-n
The O-specific polysaccharide of S. atiz~~~ae 021 was found to contain 2-acetamido-2deoxy-o-glucose, 2-acetamidino-2,6-dideoxy-L-galactose, N-acetylneuraminic acid, and Oacetyl groups. On the basis of 'H and 13C NMR studies of the intact and O-deacetylated polysaccharide and oligosaccharide fragment
Note Computer-assisted structural analysis of the branched O-specific polysaccharide of Salmonella arizonae083 (Arizona 08) on the basis of 13C-n.m.r. data
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