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The Journal of Medical Microbiology, Vol 32, Issue 1 63-68, Copyright © 1990 by Society for General Microbiology

JOURNAL ARTICLE

Location of the three major agglutinogens of Bordetella pertussis by immuno-electronmicroscopy

N. W. Preston, A. A. Zorgani and E. J. Carter
Pertussis Reference Laboratory, Department of Medical Microbiology, University Medical School, Manchester.

When the three serotypes of Bordetella pertussis (types 1,2,3; 1,2 and 1,3) were labelled with agglutinins and protein-A gold, agglutinogen 1 was found on fimbriae and on the cell surface of types 1,2,3 and 1,2 but on the cell surface only of non-fimbriate type 1,3 organisms. In contrast, agglutinogen 2 was located on fimbriae only. Agglutinogen 3 was not labelled. When protein-A gold was replaced by immunoglobulin-G gold, agglutinogen 3 was found on the cell surface only, even of fimbriate bacteria of type 1,2,3. The implications of these findings for acellular vaccines are discussed.




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