PMID: 2508657Sep 1, 1989Paper

Binding of immunoglobulin G and albumin to Streptococcus dysgalactiae

Zentralblatt Für Bakteriologie : International Journal of Medical Microbiology
C Lämmler, C Frede

Abstract

All 24 cultures of Streptococcus dysgalactiae investigated bound 125I-IgG, 13 cultures additionally interacted with 125I-albumin. Inhibition experiments with unlabelled IgG and albumin preparations from humans and various animal species indicated the specificity of the binding sites which showed characteristics of IgG Fc-receptors of type III and albumin-receptors of type c. IgG and albumin-binding proteins could be removed from the streptococcal surface by solubilization and subsequently isolated by affinity chromatography. The isolated binding proteins of S. dysgalactiae strains C 12 and C 8 obtained from IgG and albumin sepharose precipitated with IgG in immunodiffusion reactions, and in immunoelectrophoretic studies, and they reacted, after transfer onto nitrocellulose, with 125I-IgG or 125I-albumin and vice versa. Antisera produced against IgG-binding proteins of S. dysgalactiae C 12 inhibited binding of 125I-IgG and 125I-albumin. Solubilization of binding proteins by trypsinization yielded low molecular weight fragments with 125I-IgG but not with 125I-albumin binding activities. IgG-binding proteins isolated from S. dysgalactiae C 26 reacted with 125I-IgG but not with 125I-albumin, indicating the presence of 2 groups of t...Continue Reading

References

Jan 1, 1978·Journal of Immunological Methods·J W Goding
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Apr 1, 1985·Zentralblatt Für Bakteriologie, Mikrobiologie, Und Hygiene. Series A, Medical Microbiology, Infectious Diseases, Virology, Parasitology·G S ChhatwalH Blobel
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Dec 10, 2008·The American Journal of Clinical Nutrition·Naomi E AllenUNKNOWN European Prospective Investigation into Cancer and Nutrition

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Citations

Jul 1, 1998·Veterinary Microbiology·L F CalvinhoS P Oliver
Sep 1, 1995·Zentralblatt für Veterinärmedizin. Reihe B. Journal of veterinary medicine. Series B·K Sippel, C Lämmler
Oct 1, 1996·Zentralblatt für Veterinärmedizin. Reihe B. Journal of veterinary medicine. Series B·S I Salasia, C Lämmler
Nov 1, 1996·Zentralblatt für Veterinärmedizin. Reihe B. Journal of veterinary medicine. Series B·I Soedarmanto, C Lämmler
Oct 1, 1990·Zentralblatt Für Bakteriologie : International Journal of Medical Microbiology·C LämmlerW Dobryszycka
Oct 1, 1989·Zentralblatt Für Bakteriologie : International Journal of Medical Microbiology·C Lämmler, R Sting
Aug 8, 2021·Microorganisms·Tina KabelitzMarcus Fulde

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