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Development of a monoclonal antibody-based immunoassay for the detection and quantification of Anguillospora longissima colonizing leaf material.

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  • Biology
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Abstract

Monoclonal antibodies (MAbs) to the aquatic hyphomycete Anguillospora longissima were raised in mice by using a coimmunization program. A cell line was raised that produced a MAb of the immunoglobulin M class that was specific for A. longissima both in an enzyme-linked immunosorbent assay (ELISA) and by immunofluorescence but that did not recognize other members of the aquatic hyphomycetes. This MAb (AL-HH8c) was used to develop a quantitative ELISA in vitro. The antigen recognized by AL-HH8c is produced throughout the mycelium, irrespective of mycelial age and culture conditions. By using this MAb, mycelium of A. longissima colonizing leaf material can be detected by ELISA, immunofluorescence, and immunoenzymatic staining methods.

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