Abstract
Immunofluorescence was used as an aid in the antigenic grouping of 14 cultivable treponemes. Antisera were prepared versus each treponemal strain, and the antiglobulins were conjugated with fluorescein isothiocyanate. A common antigen-antibody system, detected in the strains studied, was removed by absorption of each conjugate with Reiter or Borrelia vincentii treponemes. Thus, five categories based on shared group-specific antigens were revealed. Serogroup I: Reiter, English Reiter, Kazan, Kazan numbers 2, 4, 5, and 8. Serogroup II: Nichols and Noguchi. Serogroup III: three oral treponemes, MRB, FM, and N-39. Serogroup IV: B. vincentii. Serogroup V: Treponema zuelzerae. The five serogroups apparently are related by an immunofluorescent common antigen.
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Selected References
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