Proliferation of multinucleate cells with unbalanced nuclei

J. P. Hervás, J. F. López-Sáez, G. Giménez-Martín

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    When onion root meristems are treated with γ-hexachlorocyclohexane the anaphase chromatids are distributed in discrete unbalanced groups and subsequent inhibition of cytokinesis in these cells produced a synchronous population of viable multinucleate cells with two, three of four aneuploid nuclei. When we compare the duration of G1, S and G2 periods in diploid cells with that obtained for multinucleate cells in the present study it seems clear that the differences, if they occur, are negligible. These results are consistent with the hypothesis that the cell mass/genome ratio can play an essential role in controlling cycle rate and that most of the genic requirements for interphase development must complement between the nuclei sharing a common cytoplasm, even though some factor inside every nucleus appears to be required for replicative capacity to be effective. © 1985.
    Original languageEnglish
    Pages (from-to)91-101
    JournalCell Biology International Reports
    Issue number1
    Publication statusPublished - 1 Jan 1985


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