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Sudies of O-specific polysaccharide chains of Pseudomonas solanacearum lipopolysaccharides consisting of structually different repeating units.

โœ Scribed by Nina A. Kocharova; Yuriy A. Knirel; Alexander S. Shashkov; Nikolay E. Nifant'ev; Nikolay K. Kochetkov; Lyudmila D. Varbanets; Natalya V. Moskalenko; Oksana S. Brovarskaya; Valentina A. Muras; John M. Young

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
813 KB
Volume
250
Category
Article
ISSN
0008-6215

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โœฆ Synopsis

The structures of the 0-antigenic polysaccharide chains of lipopolysaccharides of a number of Pseudomonas solanaceanrm strains were elucidated mainly with the help of methylation analysis and 13C NMR spectroscopy, including a computer-assisted t3C NMR-based analysis. Six structurally distinct but related polysaccharides were identified. They have a backbone which is built up of three L-rhamnopyranosyl residues and one 2-acetamido-2-deoxy-p-ghrcopyranosyl residue, and is unsubstituted or substituted with a residue of L-xylopyranose or L-rhamnopyranose as a monosaccharide side chain. The lipopolysaccharides of most of the strains contain polysaccharide chains consisting of at least two structurally different types of repeating units. Three of the polysaccharides are common to more than one strain.

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