首页> 外文会议>Conference on Complex Systems; 20071205-07; Canberra(AU) >Pairing of homologous chromosomes as phase transition
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Pairing of homologous chromosomes as phase transition

机译:同源染色体配对作为相变

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In some cells pairing of homologous chromosomes happens at particular moments during the cell life cycle. A Statistical Mechanics model based on some experimental data is presented and discussed here for this phenomenon. Under this model, chromosomes pair at special regions whose interaction is mediated by some molecules which diffuse in cells' nuclei and can bind them. Concentration of these molecules acts as a switch for pairing: at low concentrations chromosomes move independently one from another whereas if concentration is above a certain threshold value, chromosomes colocalize. Monte Carlo simulations of this model have been performed to test its efficiency and the effect on pairing levels of chromosomal binding sites deletions.
机译:在某些细胞中,同源染色体的配对在细胞生命周期的特定时刻发生。针对此现象,本文介绍并讨论了基于一些实验数据的统计力学模型。在这种模型下,染色体在特定区域配对,它们的相互作用是由一些扩散到细胞核中并可以结合它们的分子介导的。这些分子的浓度充当配对的开关:在低浓度下,染色体彼此独立地移动,而如果浓度高于某个阈值,则染色体共定位。已经对该模型进行了蒙特卡洛模拟,以测试其效率以及对染色体结合位点缺失配对水平的影响。

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