[Dynamics of microtubular cytoskeleton in higher plant meiosis. VII. Mechanisms of the simultaneous cytokinesis].

Rearrangements of microtubular cytoskeleton during telophase in pollen mother cells of some dicotyledon plants with the simultaneous cytokinesis during normal and abnormal meiosis were studied. At telophase I, a potentially functional phragmoplast forms between daughter nuclei, but no cell plate is present. During interkinesis, the phragmoplast plays the role of an interphase cytoskeleton array. Dynamics of microtubule reorganization in polar regions of the telophase spindle is discussed in addition to the role played by microtubule convergence centers in cytoskeleton rearrangements during meiosis.