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  • Title: Monoclonal antibodies against Vibrio anguillarum O2 and Vibrio ordalii identify antigenic differences in lipopolysaccharide O-antigens.
    Author: Mutharia LM, Amor PA.
    Journal: FEMS Microbiol Lett; 1994 Nov 01; 123(3):289-98. PubMed ID: 7527364.
    Abstract:
    Monoclonal antibodies (mAbs) that recognize distinct species-specific antigenic epitopes in O-antigens from Vibrio anguillarum O2, O2a and certain O2b strains (mAb 7B4) and from Vibrio ordalii strains (mAbs A16 and 7D11) were generated. Western immunoblot analysis using these mAbs revealed that vibrio strains grown in the presence of fresh rainbow trout blood expressed lipopolysaccharide (LPS) with longer (high molecular mass) O-antigens and extracellular capsular layers when compared to strains grown without rainbow trout blood. We also generated mAbs that react with O-antigens from V. anguillarum serotype O1 (mAbs 7B8, 7B5 and 1C3) and serotype O3 (mAbs 13A1 and 14C5) strains. These mAbs provide rapid and accurate diagnostic reagents for serological differentiation of V. ordalii from serotype O2 strains of V. anguillarum, and for serotyping of these pathogenic vibrios.
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