Abstract:Optical and ultrastructuralinvestigations have shown that purified digitonin, a non-ionic, steroid-type saponin, dissociates the formation and function of the mitotic spindle from the phragmoplast (Olah 1963(Olah , 1965Underbrink and Olah 1965, 1968).The course of digitonin mitosis was described as similar to colchicine mitosis because it arrests the mitotic division at metaphase.However, during sub sequent phases of digitonin mitosis, a vigorously functioning phragmoplast develops among the paralyzed and sc… Show more
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