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Binding of human IgA to HCl-extracted c protein from group B streptococci (GBS).

作者信息

Kvam A I, Iversen O J, Bevanger L

机构信息

Department of Microbiology, Faculty of Medicine, Regional Hospital, University of Trondheim, Norway.

出版信息

APMIS. 1992 Dec;100(12):1129-32. doi: 10.1111/j.1699-0463.1992.tb04050.x.

DOI:10.1111/j.1699-0463.1992.tb04050.x
PMID:1492982
Abstract

The c beta protein of group B streptococci obtained by HCl extraction appears as a ladder-like pattern in SDS-PAGE when detected by a rabbit anti-c beta serum, and a similar picture is seen when the crude extract is incubated with human IgA and an anti-human IgA conjugate. Affinity-purified c beta antigen and IgA receptors from GBS gave identical pictures in Western blots using rabbit anti-c beta serum. Both the c beta antigen and the IgA receptor are exposed on the surface of GBS as demonstrated by immunofluorescence.

摘要

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