heterochromatin
A chromosome composed primarily of heterochromatin.
异染色体主要由异染色质组成的染色体
Of or relating to heterochromatin.
异染质的异染色质的或与之相关的
Chromosome material with exhibits of such behaviour is called heterochromatin.
表现这种现象的染色体物质叫做异染色质。
Monocyte is characterized by microscopic nuclear heterochromatin.
淋巴细胞的核质比例大。
Notice the absence of heterochromatin at the site of the pore.
注意核孔处的异染质缺失现象。
Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.
异染色质大部分是由短而重复的多核苷酸序列所组成的。
As always, nucleoli and nuclear heterochromatin stain darkly with hematoxylin.
总之，核仁与细胞核中的异染色质被苏木精染成深色。
The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.
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 nucleus round or ellipse lay in the center of cells and the heterochromatin and the nucleolus were not obvious.
细胞核呈圆形或椭圆形，位于细胞中央，异染质和核仁不明显。
One of these is control of repeated DNA sequences in and outside the heterochromatin.
其中之一是调节异染色质内和异染色质外的重复DNA序列的途径，还有就是核仁结构的调节。
What other functions abundant heterochromatin may perform are still an open question.
至于大量的异染色质还有什么作用仍然是一个问题。
The aggregates of heterochromatin around the nuclear membrane and the shrinkage of nucleus were also observed.
睾丸间质细胞胞浆内线粒体变性，溶酶体增多，胞质内有大量空泡，可见染色质边聚和细胞核固缩现象。
C-banding confirmed increase in the heterochromatin in one chromosome 9 and inversion in the other.
C显带证实在一条9号染色体的异染色质增加和另一条9好染色体倒位。
Euchromatin is thought to be actively involved in transcription and therefore protein synthesis, while heterochromatin is inavtive.
异染色质由于折叠压缩程度高，所以被碱性染料染色时着色较深。
When the H3K9 methylation pathway is functioning properly, heterochromatin remains condensed and a single nucleolus forms around the ribosomal DNA.
当H3K9甲基化路径正常是，异染色质处于致密状态，在核糖体DNA周围形成单个核仁。
Interstitial heterochromatin has been observed on the blarm of X chromosome. Y chromosome is completely C-band positive.
X染色体两臂有端位C带，Y染色体是C带阳性和晚复制的。
This chromatin is called heterohromatin.The chromatin which stains less deeply than heterochromatin is called euchromatin.
异染色质呈较大的深染团块，常染色质染色较淡。
This mutant showed an increased sensitivity to DNA damage and release of transcriptional gene silencing (TGS) in heterochromatin.
这个突变体同时也显现了对DNA损伤的高敏感性以及在异染色质上转录基因沉默(TGS)的释放。
Euchromatin distributed in the center of nuclear,while heterochromatin distributed in the circumference of nuclear and some in the center.
细胞核核长形或不规则形，位于细胞中央，常染色质分布在细胞核中，异染色质除分布在核边缘，同时也在核中分布；
Myonuclear alternations consisted of large nuclei, intranuclear inclusions, an excess of heterochromatin and myonuclear degradation.
肌核改变包括异染色质增多、核变大，核内包涵体及核崩解。
There was much heterochromatin in the nucleus, some of which located just inside the nuclear membrane was lumpish heterochromatin.
卵黄细胞的典型特征是胞质中存在由高电子密度颗粒组成的卵黄球、卵黄滴;
Cells take diverse shapes. These are epithelial cords of block-like cells. As always, nucleoli and nuclear heterochromatin stain darkly with hematoxylin.
不同形态的细胞。这些是立方细胞排列成的上皮索状结构。总之，核仁与细胞核中的异染色质被苏木精染成深色。
These variants change the conformation and stability of nucleosome to facilitate transcriptional activation or deactivation, DNA repairing, heterochromatin formation, and others.
这些变体通过改变核小体的空间构象和稳定性，决定基因转录的激活或沉默，DNA的修复，染色体的异染色化等。
By contrast, heterochromatin is dense and contains relatiely few genes;most of the DNA in heterochromatin, including numerous short repeated sequences, does not code for proteins.
而异染色质结构致密，所含基因很少，其中的大部份DNA，包括大量的短的重复序列，并不编码蛋白质。
High power of smooth muscle to show that eosinophilic color is mainly due to cytoplasm.Nuclei are quite scattered and have only small, granular clumps of blue heterochromatin.
高倍镜显示平滑肌的胞浆嗜酸性，细胞核散在，核内有细小的颗粒状的蓝色的异染色质。
Here, we investigated heterochromatin and euchromatin profiles of the entire fission yeast genome and explored the role of RNA interference (RNAi) in genome organization.
这里，我们对裂殖酵母整个基因组上的异染色质和常染色质的状态进行了研究，并探索了RNA干扰在基因组组织中的作用。
We had found 5 different karyotypes in the tufted deer as far as 2002.The chromosome which has much heterochromatin shows the main difference between different karyotype.
毛冠鹿种内核型存在多态现象，到2002年为止在毛冠鹿种内已经发现了5种不同的核型，不同核型间的差别主要集中在几条异染色质丰富的染色体上。
The results show that erythrocytes of Tilaria nilotica,Rana tigrina Columba livia domestica are long ellipse,long-shuttle and long-olive in shape, They have nuclei and obvious heterochromatin in it.
结果表明：鱼、蛙、鸽的红细胞呈长椭圆形、长梭形或长橄榄形，有核，核周异染色质明显；
The results suggest that the Y chromosome heterochromatin appears to have a modifying effect on the phenotypic relationship between morphophysiologi cal traits during human ontogenesis.
结果表明，Y染色体异染色质可能在人的个体发育过程 中对形态生理学性状间的表型关系起一种修饰作用。
Heterochromatin also flanks the centromere in the central region of the chromosome, the chromatin structure that plays a crucial role in chromosome segregation during cell diision.
异染色质也经常出现在染色体中间着丝点的附近。着丝点在细胞复制时的染色体分离中起着重要作用。
The nucleus of early prohaemocyte was euchromatic, while heterochromatin arranged in nuclear periphery of late prohaemocyte, in which rich vesicles were distributed in the cytoplasm.
早期原始血细胞核以常染色质为主，异染色质仅在晚原始血细胞核内边缘出现，胞质充满大小不一的膜囊。
The paper has summarized development of biochemical component and ultrastructure of heterochromatin in eukaryote with an introduction to the development of ultrastructure in centromere.
概述了异染色质生化组成及其在超微结构方面的研究进展,着重介绍了着丝粒的异染色质超微结构研究。
Eighty morphophysiological traits were studied in 55 males with a morphologically identical heterochromatin subtotal deletion of Y chromosome and in 55 males wi th a normal Y chromosome.
摘要 对55名Y染色体具有形态上相同的、异染色质几乎全部缺失的男性和55名Y染色体正常的男性 进行了80项形态生理学性状的研究。
prochromocentric heterochromatin
前染色中心的异染色质
centromeric heterochromatin band
着丝粒异染色质带, C带
centromeric or constitutive heterochromatin banding
着丝粒或结构性异染色质带
centric heterochromatin method
着丝粒区异染色质法
paracentromeric heterochromatin
着丝拉旁异染色质
constitutive heterochromatin
组成型异染色质 结构异染色质
Development about Heterochromatin and Its Ultrastructure in Eukaryote
真核生物异染色质生化组成及超微结构研究进展
Variation of Heterochromatin and Chromosome Polymorphism in the Tufted Deer
毛冠鹿种内异染色质变化与染色体多态
By contrast, heterochromatin is dense and contains relatiely few genes;
然而，异染色质则较紧密，而且也含有相对较少的基因。
Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences
异染色质大部分是由短而重复的多核苷酸序列所组成的。
GENOMIC COMPARATIVE ANALYSIS BETWEEN THE HUMAN Y CHROMOSOME-SPECIFIC HETEROCHROMATIN REGION AND FISH GENOMES
人类Y染色体长臂异染色质区与鱼类基因组的比较分析
66. Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.
异染色质大部分是由短而重复的多核苷酸序列所组成的。
Keywords histone methylase;histone methyltransferases;heterochromatin protein 1;gene expression regulation;
组蛋白甲基化;组蛋白甲基转移酶;异染色质蛋白1;基因表达调控;
Keywords rice genome;physical map;pool PCR;indica;japonica;tiling path microarray;euchromatin;heterochromatin;
水稻基因组;物理图;多模板多引物PCR;粳稻;籼稻;芯片;常染色质;异染色质;
most of the DNA in heterochromatin, including numerous short repeated sequences, does not code for proteins.
异染色质上多数DNA，包括大量重复的短序列，不编码蛋白质。
31. Chromosome material with exhibits of such behaviour is called heterochromatin.
表现这种现象的染色体物质叫做异染色质。
The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery
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。