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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Protoplasma 198 (1997), S. 202-209 
    ISSN: 1615-6102
    Keywords: Cell cycle ; Elongation factor 1α ; Microtubule reorganization ; Microfilament ; Tobacco BY-2 cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The sites of microtubule (MT) reorganization were examined in synchronized tobacco BY-2 cells. The MTs of these cells were completely destroyed by a combined cold and drug treatment at 0 °C with 100 μM propyzamide for 3 h. After the cells were washed and cultured at 30 °C, the reorganization of MTs was observed in detail. Sites for MT reorganization at each stage of the cell cycle were identified on the cell cortex and nuclei, the mitotic apparatus, the nuclei (or the nuclei and cell cortex), and the cell cortex in the S-G2 phase, M phase, M/G1 interface, and g1 phase, respectively. The polypeptide synthesis elongation factor (EF)-1α is co-localized with these sites of MT reorganization. At some stages, microfilaments (MFs) were found to be involved in the reorganization of MTs. Based on these results, the mode of MT reorganization during cell cycle progression is discussed.
    Type of Medium: Electronic Resource
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