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Serological Reactions of Glycolipids from Streptococcal L-Forms

By Susan Birnbaum Feinman, Benjamin Prescott and Roger M. Cole

Abstract

Parent bacteria and L-forms of some streptococci of group A, group D, and Streptococcus MG share common antigens as shown by cross-reactivity in growth inhibition, complement fixation, and Ouchterlony tests. Cross-reactivity between these streptococci or their L-forms with a staphylococcal L-form, or Mycoplasma pneumoniae, was found only rarely and only in low-titer complement fixation tests. Removal of all three serological reactivities from positive antisera by addition of chloroform-methanol (7:3) extracts of the streptococci or their L-forms, and failure to remove activities by protein extracts, indicated the glycolipid nature of the cross-reacting antigenic determinants

Topics: Bacterial and Mycotic Infections
Year: 1973
OAI identifier: oai:pubmedcentral.nih.gov:422922
Provided by: PubMed Central
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