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Theoretical Models of Cytokinesis and Mitosis (Without Asters)

Author(s): Kang Cheng | Changhua Zou

Journal: American Journal of Plant Physiology
ISSN 1557-4539

Volume: 1;
Issue: 1;
Start page: 21;
Date: 2006;
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Keywords: Discrete chromosome ring | electromagnetic | quasi static electric | fields | coulomb | newton

What cause the mitosis (without asters) and cytokinesis for normal higher plant cells is a question that has never been answered quantitatively and theoretically according to our knowledge. In this study, based on published experimental data, Newton`s laws and Coulomb`s law, we develop novel theoretical models of natural and normal mitosis (without asters) and cytokinesis for higher plant cells in M phase, to dynamically explicit several movements of biological objects (chromosomes, the spindle poles and microtubules). We hypothesize for wild types of higher plant cells: 1, No naturally and normally replicated chromosomes can occupy the same nucleus, without growing sizes of the nucleus and the cell (Chromosomes Exclusion); 2, No normally and naturally doubled nuclei can occupy the same cell, if the doubled size of the nuclei is not far smaller than the size of the cell (Nuclei Exclusion); 3, The spontaneous and strong repulsive electromagnetic field forces are the primary cause for the exclusions.
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