This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Feinman, S. B. Articles by Cole, R. M. Search for Related Content PubMed PubMed Citation Articles by Feinman, S. B. Articles by Cole, R. M.

 Previous Article  |  Next Article 

Infect Immun. 1973 November; 8(5): 752-756
Copyright © 1973 American Society for Microbiology. All Rights Reserved.

Serological Reactions of Glycolipids from Streptococcal L-Forms

^a Laboratory of Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland 20014

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.

¹ Present address: OPPE, National Institute of Mental Health, Rockville, Md. 20852.