Abstract
Whole-cell and detergent-soluble proteins, enriched for outer membrane antigens, of the Leptospira interrogans serovars present in commercially available pentavalent vaccines (hardjo, pomona, icterohaemorrhagiae, grippotyphosa, and canicola) were subjected to sodium dodecyl sulfate-polyacrylamide gel electrophoresis and Western blotting (immunoblotting). Protein and antigenic profiles of these serovars, representing several serogroups, were compared with similar profiles of the most common North American bovine pathogen, serovar hardjo type hardjo bovis. The reference strain of serovar balcanica and a hardjoprajitno bovine field isolate (serovar hardjo) were also assayed. Coomassie blue-stained gels revealed extensive protein similarities, and Western blots demonstrated antigenic relatedness throughout the low- and high-molecular-weight regions. Possible quantitative differences in protein expression among the strains were noted, as were similarities in the protein profiles of type hardjo bovis and the balcanica reference strain. A cocktail composed of these homologous antigens may serve as an efficacious subunit vaccine for leptospirosis.
Full text
PDF





Images in this article
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Adler B., Faine S. Susceptibility of mice treated with cyclophosphamide to lethal infection with Leptospira interrogans Serovar pomona. Infect Immun. 1976 Sep;14(3):703–708. doi: 10.1128/iai.14.3.703-708.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Anderson D. L., Johnson R. C. Electron microscopy of immune disruption of leptospires: action of complement and lysozyme. J Bacteriol. 1968 Jun;95(6):2293–2309. doi: 10.1128/jb.95.6.2293-2309.1968. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Auran N. E., Johnson R. C., Ritzi D. M. Isolation of the outer sheath of Leptospira and its immunogenic properties in hamsters. Infect Immun. 1972 Jun;5(6):968–975. doi: 10.1128/iai.5.6.968-975.1972. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bey R. F., Auran N. E., Johnson R. C. Immunogenicity of whole cell and outer envelope leptospiral vaccines in hamsters. Infect Immun. 1974 Nov;10(5):1051–1056. doi: 10.1128/iai.10.5.1051-1056.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bey R. F., Johnson R. C. Humoral immune responses of cattle vaccinated with leptospiral pentavalent outer envelope and whole culture vaccines. Am J Vet Res. 1978 Jul;39(7):1109–1114. [PubMed] [Google Scholar]
- Bey R. F., Johnson R. C. Immunogenicity and humoral and cell-mediated immune responses to leptospiral whole cell, outer envelope, and protoplasmic cylinder vaccines in hamsters and dogs. Am J Vet Res. 1982 May;43(5):835–840. [PubMed] [Google Scholar]
- Bey R. F., Johnson R. C. Leptospiral vaccines in dogs: immunogenicity of whole cell and outer envelope vaccines prepared in protein-free medium. Am J Vet Res. 1982 May;43(5):831–834. [PubMed] [Google Scholar]
- Bolin C. A., Thiermann A. B., Handsaker A. L., Foley J. W. Effect of vaccination with a pentavalent leptospiral vaccine on Leptospira interrogans serovar hardjo type hardjo-bovis infection of pregnant cattle. Am J Vet Res. 1989 Jan;50(1):161–165. [PubMed] [Google Scholar]
- Bolin C. A., Zuerner R. L., Trueba G. Effect of vaccination with a pentavalent leptospiral vaccine containing Leptospira interrogans serovar hardjo type hardjo-bovis on type hardjo-bovis infection of cattle. Am J Vet Res. 1989 Dec;50(12):2004–2008. [PubMed] [Google Scholar]
- Chapman A. J., Adler B., Faine S. Genus-specific antigens in Leptospira revealed by immunoblotting. Zentralbl Bakteriol Mikrobiol Hyg A. 1987 May;264(3-4):279–293. doi: 10.1016/s0176-6724(87)80046-9. [DOI] [PubMed] [Google Scholar]
- Cinco M., Banfi E., Panfili E. Leptospiral lipopolysaccharide presence in the outer envelope: electrophoretic evidence and immunological specificity. Zentralbl Bakteriol Mikrobiol Hyg A. 1988 Nov;269(3):277–283. doi: 10.1016/s0176-6724(88)80171-8. [DOI] [PubMed] [Google Scholar]
- Cole J. R., Jr, Sulzer C. R., Pursell A. R. Improved microtechnique for the leptospiral microscopic agglutination test. Appl Microbiol. 1973 Jun;25(6):976–980. doi: 10.1128/am.25.6.976-980.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Johnson R. C., Muschel L. H. Antileptospiral activity of serum. I. Normal and immune serum. J Bacteriol. 1966 Apr;91(4):1403–1409. doi: 10.1128/jb.91.4.1403-1409.1966. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Jost B. H., Adler B., Faine S. Experimental immunisation of hamsters with lipopolysaccharide antigens of Leptospira interrogans. J Med Microbiol. 1989 Jun;29(2):115–120. doi: 10.1099/00222615-29-2-115. [DOI] [PubMed] [Google Scholar]
- Laemmli U. K. Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature. 1970 Aug 15;227(5259):680–685. doi: 10.1038/227680a0. [DOI] [PubMed] [Google Scholar]
- LeFebvre R. B., Thiermann A. B., Foley J. Genetic and antigenic differences of serologically indistinguishable leptospires of serovar hardjo. J Clin Microbiol. 1987 Nov;25(11):2094–2097. doi: 10.1128/jcm.25.11.2094-2097.1987. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Marshall R. B., Wilton B. E., Robinson A. J. Identification of Leptospira serovars by restriction-endonuclease analysis. J Med Microbiol. 1981 Feb;14(1):163–166. doi: 10.1099/00222615-14-1-163. [DOI] [PubMed] [Google Scholar]
- Nunes-Edwards P. L., Thiermann A. B., Bassford P. J., Jr, Stamm L. V. Identification and characterization of the protein antigens of Leptospira interrogans serovar hardjo. Infect Immun. 1985 May;48(2):492–497. doi: 10.1128/iai.48.2.492-497.1985. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Takashima I., Yanagawa R. Immunizing effects of structural components of Leptospira icterohaemorrhagiae. Zentralbl Bakteriol Orig A. 1975 Sep;233(1):93–98. [PubMed] [Google Scholar]
- Thiermann A. B., Garrett L. A. Enzyme-linked immunosorbent assay for the detection of antibodies to Leptospira interrogans serovars hardjo and pomona in cattle. Am J Vet Res. 1983 May;44(5):884–887. [PubMed] [Google Scholar]
- Thiermann A. B., Handsaker A. L., Foley J. W., White F. H., Kingscote B. F. Reclassification of North American leptospiral isolates belonging to serogroups Mini and Sejroe by restriction endonuclease analysis. Am J Vet Res. 1986 Jan;47(1):61–66. [PubMed] [Google Scholar]
- Tripathy D. N., Hanson L. E., Mansfield M. E. Evaluation of the immune response of cattle to leptospiral bacterins. Am J Vet Res. 1976 Jan;37(1):51–55. [PubMed] [Google Scholar]