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Molecular biology of the Chlamydia pneumoniae surface.

Author information

1
Department of Medical Microbiology and Immunology, University Hospital of Aarhus, Denmark.

Abstract

Chlamydia pneumoniaeis a fastidious microorganism with a characteristic biphasic lifecycle causing a variety of human respiratory tract infections. There is limited knowledge about the molecular biology of C. pneumoniae, and only a few genes have been sequenced. The structure of the chlamydial surface differs from that of Chlamydia trachomatis. In order to study the surface of C. pneumoniae we generated monoclonal antibodies (MAbs) against C. pneumoniae strain VR-1310 and selected 14 MAbs that reacted with the surface of C. pneumoniae. All MAbs reacted in immunoelectron microscopy with the surface of both whole C. pneumoniae VR-1310 elementary bodies and with purified sarcosyl extracted outer membrane complexes. However, only 2 of the MAbs reacted in immunoblotting with C. pneumoniae proteins and only with antigen that had not been heat treated in SDS-sample buffer. This indicates the dominance of conformational epitopes at the C. pneumoniae surface.

PMID:
9259071
[Indexed for MEDLINE]

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