Lectin Binding Sites on the Amphidial Exudates of Meloidogyne
AbstractLectin binding sites on the surface of Meloidogyne incognita Races 1, 2, 3, and 4; M. javanica; M. arenaria Races 1 and 2; and M. hapla Races A and B were determined with lectins conjugated to fluorescein isothiocyanate or colloidal gold. The amphidial exudate, which was demonstrated histochemically to contain carbohydrate, was the principal binding site. Some lectins also bound to the external cuticular surface. Species and race specific binding patterns were observed for both amphidial and cuticular binding sites. Key words: amphid, electron microscopy, exudate, lectin, uhrastructure.
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