染色体分离
- chromosome segregation;chromosomal disjunction;chromosome disjunction;chromosome isolation
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不平衡的染色体分离普遍存在于诱导出的同源四倍体中,这就是导致生存能力不同的异常配子体出现的主要原因。大蒜根尖细胞有丝分裂同步化诱导与中期染色体分离
Imbalance chromosomal disjunction was common in the induced autotetraploids , which mostly gave rise to aberrant gametes , with different viability . INDUCTION OF SYNCHRONY AND ISOLATION OF METAPHASE CHROMSOMES FROM MITOTIC ROOT TIP CELLS IN ALLIUM SATIVUM
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而单倍体和四倍体不能正常完成,单倍体染色体分离以2:5或3:4为主,并在中后期Ⅰ看到染色单体分离现象,四倍体细胞染色体有多种联会形式。
Rate of chromosomal disjunction in haploid cells were mostly 2:5 or 3:4 , and chromatid disjunction was observed in metaphase I. Every different synapsis happened in tetraploid cells .
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棉花单染色体分离和DNA纤维FISH及其应用研究
Study on the Application of Chromosome Microdissection and DNA Fiber-FISH in Cotton
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研究小组发现了一些对DNA包装,染色体分离和富集至关重要的蛋白。
The team found some were vital for DNA packaging , chromosome segregation and fertility .
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CDK和细胞周期蛋白是控制和协调DNA合成、染色体分离和细胞分裂的重要分子。
CDK and cyclin are key molecules that control and coordinate DNA-synthesis , chromosome separation and cell division .
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CB抑制合浦珠母贝受精卵第一极体释放的染色体分离
Chromosome segregation in fertilized eggs from pearl oyster Pinctada martensii Dunker following the first polar body inhibition with cytochalasin B
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CENP-E蛋白动力结构域对细胞周期及染色体分离的影响
Effect of motor domain of CENP-E on cell cycle and separation of chromosome
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目的探讨MAD2基因表达对染色体分离的影响。
Objective To investigate the effects of MAD2 expression in embryonic cells on chromosome segregation .
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目的:观察1例46,XY/47,XXY少精子症患者精子性染色体分离的情况。
Objective : To observe the segregation of sex chromosomes in the spermatozoa of a 46 , XY / 47 , XXY patient with oligozoospermia .
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Separase上调对肿瘤细胞染色体分离作用的研究及条件表达载体的构建
Effects of up-regulation of separase / esp1 on tumor chromatid separation and construction of a conditional expression vector
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目的:研究分离酶(seperase/estradiol-stimulatedprotein,esp1)在Spc-A-1细胞中对染色体分离的作用,为肿瘤的基因治疗探索新的治疗方法。
AIM : To investigate the effect of the estradiol-stimulated protein ( esp1 ) in the Spc-A-1 cell on the division of chromosome so as to explore a new method for gene therapy of cancer .
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了解CENP-E和CENP-I基因的表达抑制对胚胎绒毛细胞增殖和染色体分离的影响,以及对细胞周期的调节。
To explore the influence of down-regulation of CENP-E or CENP-I genes expression on the cell proliferation and chromosome separation of embryonic villus cells and the regulation to cell cycle . Methods : 1 .
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有丝分裂期染色体分离过程中的细胞动力学的分子机制解析
Molecular Dissection of the Cellular Dynamics Underlying Chromosome Segregation in Mitosis
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染色体分离基因在纯化鼻咽癌组织中的表达
Expression of homosapiens chromosome segregation gene in homogenous nasopharyngeal carcinoma tissue cells
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性别及年龄对外周血淋巴细胞中21号染色体分离的影响
Influence of aging and sex on chromosome 21 segregation in human lymphocytes
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小麦细胞减数分裂染色体分离同步化遗传分析
Genetic Analysis of Synchronized Chromosome Separation in Wheat Meiosis
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后期Ⅱ和末期Ⅱ还出现染色体分离不同步及不等分裂的现象;
During anaphase ⅱ and telophase ⅱ chromosome segregations were not synchronous and equal .
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人体肝癌细胞株(7402)的细胞同步化和中期染色体分离方法
Synchronization of human hepatoma cell strain ( 7402 ) and the isolation of metaphase chromosomes
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纺锤体微管在着丝粒两侧的附着处,与染色体分离密切相关。
Kinetochore & A structure at the centromere to which the spindle fibers are attached .
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染色体分离是真核生物正确传递遗传信息的关键。
The faithful chromosome segregation is crucial for transmitting the genetic information accurately in eukaryotic organisms .
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染色体分离的分子机制
Molecular Mechanism of Chromosomes Segregation
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未来在中心纺锤体动力学时空调控上的研究将为我们阐明染色体分离与胞质分裂之间起着协调作用的分子机制。
Future experimentation on the spatiotemporal regulation of central spindle dynamics will elucidate the molecular orchestration between chromosome segregation and cytokinesis .
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它通过在细胞分裂时建立双极纺锤体、在有丝分裂期执行精确的染色体分离而保持基因组稳定。
It maintains genomic stability by establishing the bipolar spindles during cell division and executes accurate segregation of chromosomes during mitosis .
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后期Ⅱ单体、三体都出现了多种染色体分离方式,其中单体以9-9-10-10分离为主,三体以10-10-11-11分离为主。
There existed many separation types of monosomics and trisomics at anaphase II , the main separation type of monosomics and trisomics was 9-9-10-10 and 10-10-11-11 respectively .
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在细胞有丝分裂中,极光激酶参与了诸如中心体成熟分离、纺锤体组装和维持、染色体分离以及胞质分裂等多个事件。
Aurora kinases play important roles in many events during cell mitosis , such as centrosome maturation and separation , spindle assembly and maintenance , chromosome segregation , cytokinesis and so on .
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Hec1基因的功能异常会引起严重的染色体分离障碍,从而导致染色体不稳定,而染色体不稳定性与肿瘤的发生、发展密切相关。
The dysfunction of Hec 1 gene may cause severe impediment of chromosome separation and finally lead to chromosome instability , which is closely associated with the occurrence and development of tumors .
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本研究结果表明,抑制栉孔扇贝受精卵第一极体排放,显著改变了各受精卵的减数分裂过程,纺锤体装配和染色体分离出现了复杂变化,导致形成包括四倍体等各种倍性的胚胎。
This research showed that inhibition of PB1 remarkably changed the second meiotic division , including the dynamics of spindle organization and chromosome segregation , resulting in the formation of embryos with variable ploidy composition .
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控制微生物对某些环境污染物降解的质粒&降解性质粒,分子量较大,难于和染色体DNA分离。
Degradative plasmids which contain some genomes characteristics of microbial degradation of some environmental pollutants are of large molecular weight and hence difficult to be isolated from chromosome .
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异常中心体可产生多极纺锤体,使染色体错误分离及分配不平衡,介导染色体不稳定性(CIN)和非整倍体的形成。
Abnormal centrosome can cause multipolar spindle formation , chromosome mis-segregation , and unequal distribution , and finally leads to cancers .
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本文利用DNA的结构和复制特点、同源染色体、分离和自由规律以及系谱相关知识,对高中《生物》遗传和变异中常见的计算题进行了归纳和分析。
This paper sums up and analyzes calculation of heredity and variation of senior middle school , that based on some knowledge of DNA constitution , DNA copy , homologous chromosome , law of segregation , law of independent assortment , genealogy .