The O antigen isolated from the lipopolysaccharide of a strmn of Stenotrophomonas (Xanthomonas or Pseudomonas) maltophilia serogroup 03 was found to contain 4-acetamido-4,6-dideoxy-D-galactose, D-fucose, and N-acetyl-D-glucosamine. By means of chemical degradations and NMR spectroscopy the repeating
Structure of the O10 antigen of Stenotrophomonas (Xanthomonas) maltophilia
โ Scribed by Angela M. Winn; Andrew W. Miller; Stephen G. Wilkinson
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 327 KB
- Volume
- 267
- Category
- Article
- ISSN
- 0008-6215
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โฆ Synopsis
A polysaccharide containing L-rhamnose and L-xylose was isolated from the lipopolysaccharide extracted from the cell walls of the reference strain for Stenotrophomonas (Xanthomonas) maltophilia serogroup O10. By means of NMR studies and methylation analysis, the repeating unit of the polymer was identified as a branched tetrasaccharide of the structure shown.
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A polysaccharide containing D-xylose, L-rhamnose, and N-acetyl-D-glucosamine was released on mild acid hydrolysis of the lipopolysaccharide extracted from defatted cell walls of Stenotrophomonas (Xanthomonas or Pseudomonas) maltophilia strain 557, the reference strain for serotype 06. By means of NM
The O-specific polymer from a strain of Xanthomonas maltophilia 019 contains o-glucose, L-rhamnose, and o-fucose. By means of chemical degradations and NMR studies, the repeating unit of the polymer was determined to be a branched tetrasaccharide of the structure shown. 1 3 + 3)@-r\_-Rhap-(l + 4)-a-
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X. campestris, the type species of Xanthomonas, is an aerobic Gram-negative bacterium belonging to the Pseudomonoadaceae; many strains of this species are phytopathogenic. Data on the composition and structure of the surface polysaccharides of X. campestris may serve as a chemotaxonomic criterion an