在序列的每个位置上,我们都可以测量染色质的这些不同属性。
At each location on the sequence, we can measure all these different attributes of chromatin.
核小体是染色质的基本单位。
染色质的卷曲程度因细胞的功能活动而不同。
The degree of coiling of the chromatin varies during cell activity.
然而,很少有研究利用DNA的定量的动态评估荧光染色质的组织。
However, few studies have taken advantage of DNA quantification by fluorometry for dynamic assessment of chromatin organization.
组蛋白是染色质的核心,其尾部共价修饰在基因表达调控中有重要作用。
Histone is the core of chromatin, and covalent modification of histone tails have fundamental roles in regulation of gene expression.
凋亡细胞是以核内染色质的凝聚,核的皱缩及DNA的碎片化为特征的。
Apopcell is specified by nucleus chromatin condensation, nucleus shrinks and DNA fragments.
组蛋白乙酰化和去乙酰化可以改变染色质的结构,参与基因的表达调控和重编程。
Histone acetylation and de-acetylation can change the structure of chromatin, involving in gene expression regulation and nuclear reprogramming.
组蛋白是染色质的核心,其尾部的共价修饰组成组蛋白密码,调节许多生物学事件。
Histone is the nucleus of chromatin, the covalent modifications in its tails form the histone codes that regulate a number of biological processes.
本文采用X染色质的鉴别方法,研究了部分人群正常体细胞中x染色质体的出现概率。
We studied the rate of X chromatin body in normal body cell of human by identifying X chromatin.
如此大量的结构异染色质的来源及其在染色体组型进化和物种形成中的任务仍是一个谜。
The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.
这个在线数据库包含来自于SCRI项目信息,收集了来自大麦染色质的单核苷酸数据。
This online database contains information from a project at the SCRI to mine wheat and barley genes for SNPs which were mapped in barley crosses.
基因“开关”涉及乙酰化作用,也就是将乙酰基群在染色质的DNA水平上引入到分子中,由此完成基因转录。
The genetic switch involves acetylation, the introduction of an acetyl group into a molecule at the DNA level of chromatin resulting in genetic transcription.
推测副缢痕附近异染色质的DNA重复序列可能是在进化过程中通过染色单体不均等交换而逐渐形成。
It is presumed that the repeated DNA sequences of the heterochromatin near the secondary constriction might be formed gradually in the process of evolution through unequal SCEs.
Luger和他的同事随即包装了从Shokat小组得来的修饰过的组蛋白,形成核小体和染色质的重组体。
Luger and her colleagues next packaged the modified histones they received from Shokat's group into recombinant nucleosomes and chromatin.
真核细胞中,核小体是染色质的基本单位,它由两个拷贝HA、HB、H和H所组成的核心组蛋白八聚体,及缠绕于其上的bpDNA构成。
In eukaryotic cells, the fundamental unit of chromatin is nucleosome, which is composed of a histone octamer with two copies of HA, HB, H and H and base pairs of DNA.
兼性异染色质是在特定细胞发育命运中可能具有转录活性的异染色质。
Facultative heterochromatin is the heterochromatin that may become transcriptionally active in specific cell development fates.
我们的数据提供了一个在基因组功能中组蛋白甲基化和染色质组织的新观点。
Our data provide new insights into the function of histone methylation and chromatin organization in genome function.
至于大量的异染色质还有什么作用仍然是一个问题。
What other functions abundant heterochromatin may perform are still an open question.
那些表现“正常的”浓缩格式的部分叫做常染色质。
That which shows the "normal" condensation pattern is called euchromatin.
研究人员怀着了解两种不同的甲基化标记怎样影响核小体和染色质结构的目的开始工作。
The researchers began their work with the goal of learning how two different methylation marks affect the overall structure of nucleosomes and chromatin.
我们会讨论在当代的模型化里染色质结构的重要性,并且温习在染色质结构和转录调控之间关系上,当前的研究工作成果。
We will discuss the importance of chromatin structure in contemporary modeling, and review recent research results on the relationship between chromatin structure and transcriptional regulation.
染色质由卷曲的DNA、组蛋白和非组蛋白组成。
Chromatin consists of coiled DNA bound to basic proteins called histones and non-histone proteins.
细胞学分析可见透明至浅染的酸性细胞质和圆形或缩进的细胞核含有正常的染色质和模糊的核仁。
Cytology reveals cells with clear to lightly basophilic cytoplasm and round or indented nuclei with fine chromatin and indistinct nucleoli.
核小体串珠压缩整合而成的一种纤维结构,形成染色质结构的功能单位。
Solenoid --- A fiber composed of compacted strings of nucleosomes, forming the fundamental unit of chromatin organization.
网站描述:这是染色质网络的网站。
在细胞周期中,异染色质会被进行动态的调节,以响应发育信号。
Heterochromatin is dynamically regulated during the cell cycle and in response to developmental signals.
细胞核中的线形结构;由染色质构成,携带遗传信息(dna)。
Chromosome — One of the threadlike structures in the cell nucleus; consists of chromatin and carries genetic information (DNA).
因此,这些区域有着独特的染色质修饰模式,并因此可能代表了不同类的染色质区域。
Therefore, these regions have a distinctive chromatin modification pattern and thus may represent a distinct class of chromatin domains.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
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