Regulation of Cytoplasmic Division of Xenopus Embryo by rho p21
Xenopus embryos was not affected by microinjection into the embryos of ... A bipolar mitotic spindle is composed of ... One of the most useful approaches to study the mechanism of cell division, especially of cytoplasmic division, is to use amphibian ..... most likely that a part of endogenous rho p21 is in the GTP- bound active ...
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Chapter 11: How Cells Divide
Text to come. Part. IV. Reproduction and Heredity. Figure title. Figure legend. ... growth phases, a nuclear division phase, and a cytoplasmic ... division. Mitosis. In prophase, the chromosomes condense and microtubules ... Molecular Mechanisms of Cell Cycle Control. .... mosome, a condition called monosomy, do not sur-.
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The Method of Cell Division in the Development of the - JStor
it as present not only in the somatic tissues but also in the germ cells. It was this latter ... cytoplasmic division behind nuclear mitosis, incompletely fused chromosomal ... of division.1. Even complete series are no assurance that part of the cells do not ..... the reproductive mechanism except the uterus degenerates. The. 134.
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The Physiology of Cell Division - Annual Reviews
This absence of fixed relations is part of a general feature of biological .... repeated chromosome division without breakdown of the nuclear membrane. (9). ..... not constant, presumably because of a failure in the mitotic mechanism. (42).
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A study of nucleo-cytoplasmic interactions during cell division in
A study of nucleo-cytoplasmic interactions during cell division in Stentor coeruleus ... of the mechanisms by which the profound nuclear and cytoplasmic changes ... division in cilles makes it difficult to compare this process with mitotic division; the ... The part of the cell containing the desired nucleus or nuclear fragment was ...
[ 1-s2.0-0014482760903451-main.pdf?_tid=16c16cee-c397-11e3-99ce-00000aab0f26&acdnat=1397454124_a06de9f766a742cb6c784ff439d46274 - Read/Download File
Breaking down the wall: the nuclear envelope during mitosis
Sep 4, 2013 ... During cell division, genetic material and cytoplasmic components are ... docks and fuses with the ONM, is reminiscent of the nuclear egress mechanism used ... a closed mitosis where the NE does not break down ( Figure 1). ... (SPB), is anchored in the NE during all or part of the cell cycle [ 12, 13 and 14].
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A role for Arf1 in mitotic Golgi disassembly, chromosome
Nov 11, 2003 ... How nuclear and cytoplasmic division is coordinated is not known. .... whether mitotic Golgi breakdown occurs by a similar mechanism to that of ..... directly with the mitotic factor(s) involved in preventing Arf1 binding to ...
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The mechanism of Golgi segregation during mitosis is cell type
where after cytokinesis, they assemble into stacks of cisternae followed by the ... with each mitotic cycle but not in S. cerevisiae or in plant cells is not known. ... The publication costs of this article were defrayed in part by page charge payment.
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Asymmetric Cell Division - Extavour Lab
Jan 1, 2004 ... mechanisms underlying asymmetric cell division in ... involved. In a thorough evolutionary survey of germline stem cells in ... mitosis of the precursor cell. During mitosis ... symmetrical cytokinesis is not necessarily a default.
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Cytoplasmic Volume Condensation Is an Integral Part of Mitosis
Apr 12, 2007 ... Cytoplasmic Volume Condensation is an Integral Part of Mitosis ... sion of the cell cycle as with each division, a newly generated cell ... cells can monitor and therefore regulate their size has not been fully elucidated. ... mean cell size remains constant over time, yet a mechanism for cell autonomous sizing.
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Control of Cleavage Furrow Formation During Cytokinesis in Human
cytokinesis and chromosome segregation to the mitotic spindle ensures that ... activity at the equatorial cell periphery during anaphase is not understood. ...... mechanism for the propagation of life and that cells have been dividing ever since. ... mitosis, the first part of M-phase, the nuclear envelope breaks down and the.
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behavior of the cell surface during cleavage. vii. on the division
cell in the resting stage can be regarded as a mass of fluid cytoplasm contained in a gelated .... division of the cell cannot be achieved by this mechanism alone. most clearly ... If the rays were rigid and not pliable, as soon as the spindle ... the side nearer the mitotic figure (the animal pole in Astriclypeus) , because, during.
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Coordination of Initiation of Nuclear Division and Initiation of Cell
information on the signals and mechanisms that coordinate it with nuclear division. ... and the p34cdc2 kinase that catalyzes entry into mitosis, also initiates the cell ... mutants, which form septa but do not undergo cytokinesis and thus develop a ... is not specific for cytokinesis; it may also be involved in an early event of cell.
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CYTOPLASMIC BRIDGES AND GAP JUNCTIONS IN AN
CH (molecular mass, 443 Da), but not of FITC-dextran (molecular mass, 4400 Da ). ... In metazoa, adjacent cells communicate with each other via different mechanisms involving ... the case of cytoplasmic bridges, macromolecules and cell organelles are ..... nuclear division (mitosis) and cytoplasmic division ( cytokinesis).
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Cytoplasmic microtubule organization in fission yeast
and behaviour of fission yeast cytoplasmic microtubules, not only in the identification ... is known about the molecular mechanisms under- ... At the close of mitosis, during cell division (C), ... ing recovery from cold-shock is due in part to a.
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Inter- and intrachromosomal asynchrony of cell division cycle events
Synchronization of mitotic divisions is also observed in groups of .... compared with the perinuclear cytoplasm located in middle part of the cell. In the ..... antiproliferative agents, IV: the mechanisms involved in inhibiting cell-cycle progression.
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Formation of Multinuclear Cells Induced by Dimethyl Sulfoxide - NCBI
Also, 5% DMSO inhibited cytokinesis but did not totally inhibit cell growth thus leading to the development of giant ... filaments in mitotic spindle bodies of rat kangaroo cells by fluorescein ... nuclear actin by verifying the mechanisms of microfilament ..... In sections of the central part of such dumbbell-shaped large nuclei or of.
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Mitosis and Meiosis - Vernier Software & Technology
exclusively by mitosis followed by cytokinesis, while germ cells produce gametes by the process ... hereditary material is part of their complex chromosomes.
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Analysis of cell division in cardiomyocytes during development and
Last but certainly not the least; I would like to let my family know how much they mean to me and that .... 1.6 Cytokinesis and binuclearity of cardiomyocytes. .... 1.10.2 Determination of the mechanisms that cause uncoupling of cytokinesis from ... Sequential myofibrillar breakdown accompanies mitotic division of mammalian.
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Variety in intracellular diffusion during the cell cycle - DTU Fysik
Cell division is the essential mechanism that regulates the reproduction and ... spindle in S. pombe is formed inside the nucleus, not outside. Schematic drawings of the different stages in S. pombe mitosis (and cytokinesis) are shown in figure 1. ..... of the optical trap is present in the part of the frequency spectrum which is ...
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