Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting.

Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Research Abstract Details 

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Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Abstract Text:

J Varga,

Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and immunoblotting were used to identify and to compare the surface antigens of eight C. fetus subsp. fetus strains. Seven strains (one of serogroup A and six of serogroup B) were isolated from aborted ovine fetuses, while one strain (serogroup A) originated from an aborted calf fetus. Saline extracts at 56 degrees C and 100 degrees C were used as antigens. Antisera were produced in rabbits. In saline extracts (56 degrees C) of the strains at least 19 fractions were identified by SDS-PAGE, with molecular masses ranging from approx. 4,800 to 205,000. The major bands appeared at 205,000, 66,000, 31,500, 25,000, 21,000 and 17,500. Despite the fact that the strains were cultured from 4 different sheep flocks and belonged to serogroup A or B, the SDS-PAGE profiles of the strains were very similar. When boiled (100 degrees C) extracts were used, a band migrating at 32,500 in sheep strains and a band at 97,500 in the calf isolate were missing. Most of the bands obtained by SDS-PAGE could be identified also by the immunoblot procedure. A or B type specificity of the ovine isolates was due to an LPS fraction, migrating at approx. 21,000, while the other LPS fractions appearing under this region although reacted with antisera did not influence the type specificity. Using alkaline extracts (pH 12) in SDS-PAGE, LPS fractions gave more pronounced profiles. In two of our C. fetus subsp. fetus isolates, plasmids with a molecular mass of 31,500 were identified.

Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Publishing Authors By Initials

J Varga,

For similar animal diseases: sheep diseases research abstracts see: animal diseases: sheep diseases research

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Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Zentralblatt für Veterinärmedizin. Reihe B. Journa

VOLUME: 38

Page Numbers: 497-504

Journal Abbreviation: Zentralblatt Veterinarmedizin

ISSN: 0514-7166

DAY: 13

MONTH: Sep

YEAR: 1991

Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Information

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LANGUAGE: eng

NlmUniqueID: 331325

Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Keywords Mesh Terms:

KEYWORDS: Sheep Diseases

MESH TERMS: microbiology

Chemical & Substance for Abstract: Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting. Information

Substance Name: Antigens, Surface

Registry Number: 0

Grant and Affiliation Information for Comparison of surface antigens of some Campylobacter fetus subsp. fetus strains of ovine origin by polyacrylamide gel electrophoresis and immunoblotting.

AFFILIATION: Department of Microbiology and Infectious Diseases, University of Veterinary Science, Budapest.

Country: GERMANY

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MEDLINETA: Zentralbl Veterinarmed B

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