Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1385501 | Carbohydrate Research | 2007 | 6 Pages |
Abstract
An oligosaccharide that corresponds to the repeating unit of the O-polysaccharide was obtained by mild acid degradation of the lipopolysaccharide of Providencia alcalifaciens O36. Structural studies of the oligosaccharide and O-deacylated lipopolysaccharide were performed using sugar and methylation analyses along with 1H and 13C NMR spectroscopy, including 2D 1H,1H COSY, TOCSY, ROESY, and H-detected 1H,13C HSQC and HMBC experiments. It was found that the O-polysaccharide is built up of linear trisaccharide repeating units containing 2-acetamido-2-deoxyglucose, 6-deoxy-l-talose (l-6dTal), and 3-deoxy-d-manno-oct-2-ulosonic acid (Kdo) and has the following structure.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Nina A. Kocharova, Olga G. Ovchinnikova, Agnieszka Torzewska, Alexander S. Shashkov, Yuriy A. Knirel, Antoni Rozalski,