Pavliak V, Uhrín D, Brisson J R, Tzianabos A O, Kasper D L, Jennings H J
Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario.
Carbohydr Res. 1995 Oct 2;275(2):333-41. doi: 10.1016/0008-6215(95)00158-p.
The capsule of Bacteroides fragilis (ATCC23745) consists of two distinct polysaccharides, the separation of which could not be accomplished. The mouse-passaged strain (23745M1), however, yielded a preponderant polysaccharide which was isolated and purified. Using mainly high resolution NMR spectroscopy, the structure of the polysaccharide was elucidated and it is composed of the following repeating unit: [formula see text]