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Cell structure - Cytoskeleton - Microtubules, centrioles - Disturbance of Nuclear Migration in Micrasterias denticulata
Disturbance of Nuclear Migration in Micrasterias denticulata
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In Micrasterias, the cell nucleus migrates directly into the growing semi-cell. A complex system of microtubules is involved in this phenomenon. It consists of a basket-like arrangement of mmicrotubules which surround the nucleus, as well as a microtubule organizing center from which a thin side arm extends. The microtubule system ensures that the nucleus can later move back to the isthmus between the semi-cells. [1].
The drug chlorisopropyl-N-phenylcarbamate, which destroys microtubules, also interferes with nuclear migration. The nucleus loses its orientation. It lies in an abnormal position in the cytoplasm, where it rotates. [2].
Duration: 00:56 min
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Disturbance of Nuclear Migration in Micrasterias denticulata (Desmidiaceae) by Means of the Substance Chlor-isopropyl-N-phenylcarbamat (CIPC), which influences the Microtubuli.
KIERMEYER, Oswald, Köln; BEISENHERZ, Sybille, Köln. Publ.: 1973. B&W, st, 85 m, 8 min. [1] 250 µm; DIC; 3 f/min; [2] 100 µm; DIC; 10 f/min.
IWF, Göttingen: B 1070
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