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. 1988 May;56(5):1070–1075. doi: 10.1128/iai.56.5.1070-1075.1988

Identification of the major antigens of Treponema hyodysenteriae and comparison with those of Treponema innocens.

S N Chatfield 1, D S Fernie 1, C Penn 1, G Dougan 1
PMCID: PMC259764  PMID: 3356459

Abstract

Eleven strains of Treponema hyodysenteriae isolated from pigs with swine dysentery were examined by using sodium dodecyl sulfate-polyacrylamide gel electrophoresis and immunoblotting. T. hyodysenteriae strains formed a homogeneous group with respect to sodium dodecyl sulfate-soluble proteins. However, immunoblotting with antiserum from rabbits immunized with T. hyodysenteriae CN8368 revealed heterogeneity among the lipopolysaccharide complexes of different strains. Polypeptides of molecular weights between 30,000 and 36,000 were the predominant T. hyodysenteriae polypeptides detected by porcine immune serum. In contrast, Treponema innocens did not form a homogeneous group with respect to sodium dodecyl sulfate-soluble proteins. Adsorption studies and immunoblotting identified polypeptide antigens present on cells of T. hyodysenteriae which were not detected on cells of T. innocens. These unique antigens may play a role in the virulence of T. hyodysenteriae.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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