经过几百万年长时间的进化,人体能够制造出许多被称为内生逆转录序列的病毒HERV。
The human genome has accumulated over millions of years of evolution a lot of viral fragments called endogenous retroviral sequences.
被称为基因的启动子区域的共同特性是在转录开始时包含了一个由C字母和G字母交替重复的长序列。
It is a common characteristic of the so-called promoter regions of genes, where transcription begins, that they contain long, repetitive sequences of alternating Cs and Gs.
这两个克隆都包含有一段DNA序列,能在在细胞周期蛋白d1的RNA被转录的时候将荧光蛋白绑定到其上。
Both clones included a DNA sequence that allow a fluorescent protein expressed in the cell to bind to cyclin D1 RNA the moment it is transcribed.
对遗传信息进行编码。基因——长长的脱氧核糖核酸分子中的不连续的片段——把它们的序列转录成单线信使核糖核酸分子,核糖核酸又成为蛋白质的模板。
Genes — discrete segments of long DNA molecules — transcribe their sequences onto single-strand messenger RNA molecules, which then serve as templates for proteins.
有时一个逆转录子会插在另一个中间,也给一个动物族群的进化的基因序列提供了重要的线索。
Sometimes one retroposon is inserted in the middle of another, again giving vital clues as to the sequence of events in a family's evolution.
这一细节让他们作出结论:可能是遗传获得的非编码DNA序列、而不是基因变异才使得最大部分的转录因子结合位置发生变化。
This detail led them to conclude that inherited non-coding DNA sequences – not mutations in genes – may drive the lion's share of differences in where transcription factors attach.
首先他们分离与DNA的启动序列特异性结合的转录因子。
First, they isolated transcription factors that were specifically bound to DNA at their promoter sites.
基因是存在于染色体上的一段高度保守序列,其蛋白产物作为转录因子也是高度保守的。
Homeobox genes (Hox genes) are some highly conserved DNA sequences on the chromosomes. The protein products of Hox genes, as transcription factors, are also highly conserved.
我们根据锌指蛋白等转录因子特征结构域的序列特点,从来自10K水稻芯片的EST数据库中筛选出编码58个EST序列。
According to the sequence characterization of zinc finger protein and other transcription factors, 58 EST sequences were selected from EST database of a 10 K rice cDNA chips.
基因组中具有调控功能的DNA序列片段可称为转录调控元件。
The DNA segments which have certain regulatory function in genomic sequences are called transcriptional regulatory elements.
转录因子是特定地结合到确定的DNA序列以促进基因表达的蛋白质。
Transcription factors are proteins that bind specifically to defined DNA sequences to promote gene expression.
Ricci指出:“激活后,这几千种不同的转录因子即与其DNA序列特定靶标相结合。”
"Upon activation, these thousands of different transcription factors bind to their own specific target DNA sequence," said Ricci.
本文采用二阶z变换对转录因子结合位点序列进行建模。
This paper models transcription factor binding sites (TFBS) using two-step Z transform.
大肠杆菌启动子能起始基因的转录,它主要由两段比较保守的序列片断- 10框、- 35框和它们之间一段长度可变的碱基序列组成。
Escherichia coli promoter, which could initiate transcription of a gene, was mainly consisted of two conserved sequences, -10 box and -35 box, and spacer between them, whose length is changeable.
真核生物基因顺式作用元件分为启动子、增强子、沉默子,是调节基因转录的特定DNA序列。
Eukaryotic gene cis-acting element includes the promoter, enhancer, silencer, which are the specific DNA sequences regulating gene transcription.
本发明提供包含CY P启动子的核酸序列,该启动子操作性连接编码异源蛋白质的核酸以增强该核酸的转录。
A nucleic acid sequence including a CYP promoter operably linked to nucleic acid encoding a heterologous protein is provided to increase transcription of the nucleic acid.
对这些片段的DNA序列分析表明,它们均存在各种顺式作用元件,由此推测它们可能是被一些木质素过氧化物酶基因转录调控相关的蛋白质所结合的序列。
Analysis of the sequences showed that there were many cis-regulatory elements in these DNA segments, implying that these sequences may be bound by some transcriptional regulation protein factors.
在这项研究中,研究者在埃博拉和马尔堡病毒中发现了类似于逆转录病毒蛋白质的氨基酸序列,这些蛋白质在逆转录病毒中被认为是用来抑制免疫系统的。
In the study, researchers describe a series of amino acids in Ebola and Marburg viruses that resemble proteins in retroviruses known to suppress the immune system.
在多个调控序列上得到的出现频率高的片段很可能是对于这组序列的转录调控有重要作用的序列元件。
Over-represented motifs identified in a group of related regulatory sequences may play an important role in transcription regulation of the genes.
遗传信息的传递是从核酸序列三联密码子的转录和翻译,到合成具有完整结构的功能蛋白质的全过程。
The whole process of genetic information regulation and transduction involves three major steps: transcription and translation of the genetic code and the synthesis of the functional protein.
它不需要事先知道其基因序列,能同时对数千个转录体的丰度进行定量研究。
It allows simultaneous analysis of the expression of thousands of genes in a quantitative manner without previous knowledge of their coding sequences.
MYBS 3是含有单个dna结合重复序列的MY B转录因子,之前的研究表明MY BS 3介导水稻的蔗糖信号传导。
MYBS3 is a single DNA-binding repeat MYB transcription factor previously shown to mediate sugar signaling in rice.
看家基因有较短的编码序列可能是为提高它们的转录效率自然选择造成的。
The shorter coding sequences may be a result of natural selection for improved translational efficiency.
因此它被广泛地用作序列描述与注释、系统发生、基因组学、转录组学和蛋白质组学研究的一个起始步骤。
It is thus widely used as an initial step for sequence characterization and annotation, phylogeny, genomics, transcriptomics, and proteomics studies.
方法从Z 10病毒感染的细胞提取总rna,将逆转录聚合酶链反应(RT PCR)扩增的产物纯化后克隆于t载体并进行序列测定,应用dnas TAR软件分析比较。
Methods the total RNA were prepared from Z10 virus infected cells and the RT PCR products was cloned into t vector, sequenced and analyzed by using DNASTAR software.
方法从Z 10株病毒感染的细胞提取总rna,将逆转录pcr扩增的产物纯化后克隆于t载体并进行序列测定,应用dnastar软件分析比较。
Methods the total RNA were prepared from Z10 virus infected cells and the RT PCR product was cloned into t vector, sequenced and analyzed using DNASTAR software.
提供了一种新的、被称为“SEBF”的转录阻遏物的核苷酸以及氨基酸序列。
Nucleotide and amino acid sequences of a novel transcriptional repressor referred as' SEBF 'are given.
利用基因序列技术,科学家们还发现了肿瘤的转录组,这意味着活跃在肿瘤中的一组基因。
Using genetic sequencing technology, the team also uncovered the tumors' transcriptome, which means the set of genes that are activated in tumors.
最初大家都只知道它的序列很短,是极其微小的RNA控制片断,大家叫它为反义RNA,它通过置换作用而阻止抑制基因的活性,从而阻碍密码子的转录与翻译活动。
It was previously known that short, tiny control RNA, called antisense RNA, can stop the activity of genes by placing themselves so that "reading" of the code is impeded.
最初大家都只知道它的序列很短,是极其微小的RNA控制片断,大家叫它为反义RNA,它通过置换作用而阻止抑制基因的活性,从而阻碍密码子的转录与翻译活动。
It was previously known that short, tiny control RNA, called antisense RNA, can stop the activity of genes by placing themselves so that "reading" of the code is impeded.
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