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Changes in the microtubular cytoskeleton of Dactylorhiza majalis (Rchb.) Hunt et Summerh. (Orchidaceae) during microsporogenesis were investigated by the immunofluorescence method. Dactylorhiza microsporocytes in microsporangia divide into tetrads after a regular meiosis, which is completed with simultaneous cytokinesis. Three typical configurations of the microtubular cytoskeleton appear during microsporogenesis:...
The microtubular cytoskeleton in dividing microsporocytes and developing pollen grains of Gagea lutea (L.) Ker.-Gaw. (Liliaceae) was investigated with a modified indirect immunofluorescence method. Meiotic and mitotic stages were identified by DAPI staining. The microtubular cytoskeleton was compared in plants originating from natural localities and others grown in the laboratory. In natural conditions,...
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