[The effect of the disruption of the cytoskeletal elements on uncoupler-induced changes in the centrosome]статья
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Аннотация:The disruption of microtubules with nocodazole or microfilaments with cytochalasin B did not prevent mother centrioles from nonrandom, preferentially perpendicular orientation with respect to the substrate plane after FCCP treatment. The microtubules affect negatively the reorientation of centrioles, because after their disruption by nocodazole the percentage of centrioles with the perpendicular orientation (the angle is tipped to the substrate plane by over 74 degrees) is seen to increase. The microfilaments have the positive effect, because after their disruption by cytochalasin B the share of centrioles with the perpendicular orientation decreases. Thus, our observations do not support the hypothesis that the long microtubules can provide the perpendicular orientation of centrioles anchoring them in the cytoplasm.