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Structural studies of the O-antigenic polysaccharide from an Aeromonas caviae strain
M Linnerborg1, G Widmalm, M M Rahman
1Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Sweden.
Carbohydrate Research
|September 23, 1996
Abstract:
The structure of the O-antigenic polysaccharide from a strain of Aeromonas caviae, isolated from the stools of a patient with diarrhoea, has been investigated. Sugar analysis, methylation analyses, and a uronic acid degradation together with NMR spectroscopy were the principal methods used. The sequence of the sugar residues could be determined by NOESY and HMBC experiments. It is concluded that the polysaccharide is composed of pentasaccharide repeating units with the following structure: [sequence: see text]