Abstract
Lipopolysaccharides were extracted from freeze-dried cells of Pasteurella multocida strain P-1581 (serotype 8) by the phenol-chloroform-petroleum ether method and biochemically analysed using standard procedures. The primary neutral sugars were glucose, galactose and heptose. No deoxy sugars were detected. Amino sugars included galactosamine, glucosamine and glucosamine-6-phosphate. 3-Deoxy-d-manno-2-octulosonic acid was present at a relatively low concentration. The analyses included identification and quantification of phosphate and alanine. The primary fatty acids and their approximate relative ratios were 3-hydroxytetradecanoate and tetradecanoate 2:1. Tetradecanoic acid was bound almost exclusively by ester linkages. 3-Hydroxytetradecanoic acid was bound primarily by amide linkages, although significant numbers of ester-bound residues were noted. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis analyses indicated that the lipopolysaccharides were of low molecular weight.
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Abbreviations
- KDO:
-
3-deoxy-d-manno-2-octulosonic acid
- LPS:
-
lipopolysaccharide(s)
- SDS-PAGE:
-
sodium dodecyl sulphate-polyacrylamide gel electrophoresis
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Conrad, R.S., Galanos, C. & Champlin, F.R. Biochemical characterization of lipopolysaccharides extracted from a hydrophobic strain of Pasteurella multocida . Veterinary Research Communications 20, 195–204 (1996). https://doi.org/10.1007/BF00366917
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DOI: https://doi.org/10.1007/BF00366917