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Monoclonal antibody based capture ELISA/ELIFA for the detection of Chlamydia psittaci in veterinary clinical
1Institut für Hygiene und Infektionskrankheiten der Tiere, Liebig-Universität Giessen, Germany.
Abstract:
A capture ELISA/ELIFA system based on monoclonal capture and biotinylated monoclonal detection antibody with specificity for an epitope on chlamydial lipopolysaccharide (LPS) is described. The assay is fast, specific and detects a minimum dose of approximately 2000 chlamydial particles (C. psittaci). Unlike other commercially available test kits, it comprises a proteinase K treatment to exclude non-specific binding of antibodies to Fc receptors. In contrast to the sophisticated and cumbersome isolation procedures, even non-specialized laboratories may use this assay system for the investigation of clinical samples of different origin for the presence of C. psittaci within a short period of time. Due to the genus specificity of the monoclonal antibody used C. trachomatis and C. pneumoniae can be detected as well.