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PMID: 3499450 Published · ppublish English Journal Article

Cross-reactions between pneumococci and other streptococci due to C polysaccharide and F antigen.

Journal of clinical microbiology ·Vol. 25 ·No. 10 ·1987-10-00 ·Pages 1854-9

Sørensen UB, Henrichsen J

Abstract

By serological methods, all 83 known types of Streptococcus pneumoniae could be shown to possess C polysaccharide and F antigen. Cross-reactions due to these two antigens between pneumococci and a broad range of most other commonly encountered streptococci were examined. The presence of an antigen closely similar or identical to pneumococcal C polysaccharide was demonstrated in some strains of Streptococcus mitior. Therefore, we conclude that pneumococci cannot be identified serologically from mixed samples without culture. Streptococcal group C antiserum was found to cross-react with pneumococcal F antigen.

MeSH Terms
Antigens, Bacterial/immunology Antigens, Heterophile/immunology Cross Reactions Forssman Antigen/immunology Immunoelectrophoresis Immunoelectrophoresis, Two-Dimensional Polysaccharides, Bacterial/immunology Streptococcus/immunology Streptococcus pneumoniae/immunology
Chemicals
Antigens, Bacterial Antigens, Heterophile Polysaccharides, Bacterial polysaccharide C-substance (Streptococcus) Forssman Antigen
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Sørensen U B
World Health Organization Collaborating Centre for Reference and Research on Pneumococci, Statens Seruminstitut, Copenhagen S, Denmark.
Henrichsen J
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Article Info
Journal
Journal of clinical microbiology
Abbr.
J Clin Microbiol
ISSN
0095-1137
DOI
10.1128/jcm.25.10.1854-1859.1987
Published
1987-10-00
Pages
1854-9
Language
English
Region
United States
NLM ID
7505564
PMCID
PMC269355
Subset
IM
External Links
PubMed source DOI: 10.1128/jcm.25.10.1854-1859.1987 PMC Full Text View journal details
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