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. 1966 Sep;92(3):543–548. doi: 10.1128/jb.92.3.543-548.1966

Heat-Labile Antigens of Salmonella enteritidis I. Extraction of Antigens

Margaret Milne a,1, F M Collins a,2
PMCID: PMC276287  PMID: 4958772

Abstract

Milne, Margaret (University of Adelaide, Adelaide, Australia), and F. M. Collins. Heat-labile antigens of Salmonella enteritidis. I. Extraction of antigens. J. Bacteriol. 92:543–548. 1966.—Salmonella enteritidis strains of high and low mouse virulence were grown in continuous culture. Cell walls were obtained from both strains by sonic disruption, and the washed walls were extracted at 4 C with sodium dodecyl sulfate or sodium deoxycholate. The extracts were eluted with a saline gradient from a diethylaminoethyl cellulose column, and the separated peaks were tested for precipitin activity against rabbit antisera prepared with heator ethyl alcohol-killed vaccines. The separated antigens reacted less intensely with the antiserum to heat-killed cells than they did to the antisera prepared against alcohol-killed vaccine. Little antigenic difference could be detected between the extracts prepared from the virulent and the avirulent organisms.

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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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