نتایج جستجو برای: briot bouquet differential equation
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Chromosome architecture undergoes extensive, programmed changes as cells enter meiosis. A highly conserved change is the clustering of telomeres at the nuclear periphery to form the "bouquet" configuration. In the fission yeast Schizosaccharomyces pombe the bouquet and associated nuclear movement facilitate initial interactions between homologs. We show that Bqt2, a meiosis-specific protein req...
Meiosis pairs and segregates homologous chromosomes and thereby forms haploid germ cells to compensate the genome doubling at fertilization. Homologue pairing in many eukaryotic species depends on formation of DNA double strand breaks (DSBs) during early prophase I when telomeres begin to cluster at the nuclear periphery (bouquet stage). By fluorescence in situ hybridization criteria, we observ...
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rolling-based seismic isolation systems, in which rollers of circular or non-circular section are used, are less expensive and easier to manufacture. however, this type of isolation suffers from either lack of restoring or re-centering capability, or weakness against uplift forces. to resolve the first shortcoming the use of elliptical as well as pillow-shape rolling parts has been suggested, a...
the edge detour index polynomials were recently introduced for computing theedge detour indices. in this paper we nd relations among edge detour polynomials for the2-dimensional graph of tuc4c8(s) in a euclidean plane and tuc4c8(s) nanotorus.
During meiotic prophase, telomeres actively attach themselves to the nuclear envelope and cluster in an arrangement called the bouquet. The bouquet is unique to meiosis, highly conserved, and thought to facilitate homologous chromosome synapsis. Analy sis of three-dimensional fluorescence in situ hybridization (3-D FISH) image data has been employed to characterize the bouquet in fixed pollen m...
Bouquet formation, in which telomeres gather to a small region of the nuclear membrane in early meiosis, has been observed in diverse eukaryotes, but the function of the bouquet has remained a mystery. Here, we demonstrate that the telomere bouquet plays a crucial role in controlling the behavior of the fission yeast microtubule-organizing center (known as the spindle pole body or SPB) and the ...
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