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  • Title: Isolation and characterization of monoclonal antibodies against pili of Corynebacterium renale and Corynebacterium pilosum.
    Author: Kudo Y, Yanagawa R, Hiramune T.
    Journal: Vet Microbiol; 1987 Jan; 13(1):75-85. PubMed ID: 2433832.
    Abstract:
    Five monoclonal antibodies against pili of Corynebacterium renale 115 P+ (piliated clone) and two monoclonal antibodies against pili of C. pilosum 92 P+ (piliated clone) were produced. These antibodies bound to pili of the homologous strain in in enzyme-linked immunosorbent assay (ELISA) and agglutinated P+ but not P- (non-piliated clone) of each homologous strain. The five monoclonal antibodies against C. renale 115 P+ pili were divided into 2 groups, comprising 16/5, 160/1 and 32/6 and 13/4 and B20/3, based on the results of a competitive binding assay. The results may indicate the presence of at least 2 distinct antigenic areas on the pilus of C. renale 115 P+. The monoclonal antibodies of the first group inhibited adhesion of C. renale 115 P+ bacteria to the epithelial cells of bovine vulva, while the second group did not. Two monoclonal antibodies against C. pilosum 92 P+ pili recognized the same area on the pilus of C. pilosum 92 P+, and inhibited the adhesion of C. pilosum 92 P+ bacteria to the epithelial cells of bovine vulva. The adhesion of these bacteria was inhibited by the monoclonal antibodies in the form of IgG as well as by the Fab fragment. The strains of C. renale and C. pilosum which reacted with each of the anti-C. renale 115 P+ pili and anti-C. pilosum 92 P+ pili monoclonal antibodies were small in number and of restricted distribution.
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