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dna element
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  dna片段
     The results of Southern blotting showed that both of the DNA element P1 and P2 hybridized with the female and male genomic DNA of schistosomes, also hybridized with the female and male PCR-amplified product from the female or male schistosome strongly.
     Southern blotting显示 DNA片段 P1和 P2均与雌、雄基因组 DNA强烈杂交 ;
短句来源
     The DNA element P4 and P5 hy-bridized with the female genomic DNA and the female PCR-amplified product only.
     DNA片段 P4和 P5仅与雌性基因组 DNA杂交 ,但不与雄性基因组 DNA杂交。
短句来源
     Conclusion The DNA element P1 and P2 are the DNA repetitive elements in the genomic DNA of Schistosoma japonicum with multi-copies.
     结论  DNA片段 P1和 P2为日本血吸虫 DNA重复序列 ,并以多拷贝存在于日本血吸虫基因组 DNA中 ;
短句来源
     The DNA element P4 and P5 are the female-specific sequences of Schistosoma japonicumexisting in the sex chromosome W.
     DNA片段 P4和 P5仅存在于日本血吸虫性染色体 W上 ,为日本血吸虫雌性特异性片段。
短句来源
     The DNA element P3 hybridized with the female and male genomic DNA of schistosome, also hybridized with the PCR-amplified product from the female or male schistosome, but the intensity of hybridizating with the female genomic DNA was stronger than that with the male genomic DNA.
     DNA片段 P3与雌性基因组 DNA的杂交强度明显高于与雄性基因组 DNA的杂交强度 ;
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  “dna element”译为未确定词的双语例句
     The results showed that AngⅡstimulated AP-1 or STAT5 binding to DNA element and the interaction between two factors.
     结果显示,AngⅡ可分别促进AP-1和STAT5与血管紧张素原基因调控区顺式元件的结合以及二者之间的相互作用;
短句来源
     Hypertonicity-induced binding of the transcription factor OREBP to its cognate DNA element, is associated withincreased transcription for several osmotically regulated genes.
     渗透压反应元件结合蛋白虽然在培养细胞中的作用正在被人们逐步认识,而它在生物组织中的具体作用尚有许多不明之处,它在晶状体中的作用及机制仍未见报道。
短句来源
     No retroposon-like DNA element Bm1 presents in introns. Border of intron and exton sequences confirmed the GT-AG rule.
     对其基因结构进行分析,发现克隆的基因组序列共含有3个外显子和2个内含子,外显子和内含子边界符合典型的GT-AG结构,而且内含子中没有插入反转座子Bm1。
短句来源
     The androgen receptor(AR) belongs to the steroid hormone receptor superfamily that is a ligand dependent transcription factor. It can regulate gene transcription through binding to specific DNA element. The action mechanism of androgen receptors is summarized with a special emphasis on the specificity of the function of androgen receptors.
     主要概述了雄激素受体的作用机制,特别对影响雄激素受体特异性的因素进行探讨.雄激素受体(AR)属于甾体激素受体超家族,能通过配体依赖方式与特异的DNA序列结合,调控基因转录
短句来源
     All of these effects of S/MAR would make it becomes a new type of cis acting DNA element which is very useful for increasing transcription activity and ensuring the correct control of randomly inserted transgenes in gene engineering.
     这些功效使得 S/MAR将可能成为基因工程中一个有用的顺式调控元件 .
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  相似匹配句对
     Information DNA
     情报DNA——情报传播的遗传学视角
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     c and the DNA template of p.
     C DNA模板扩增。
短句来源
     Geometry element
     情迷几何
短句来源
     The Fifth Element
     第五元素
短句来源
     Effects of Holmium Element on DNA Lesion of Mice Liver Cells in Vivo
     钬元素对小鼠肝脏细胞DNA损伤的影响
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  dna element
The MVM right end, which contains the origin of DNA replication, has a cluster of DNA elements that includes several homologies to the polyoma virus replication origin and a potential Z-DNA element.
      
Photosynthesis mutations were induced in maize lines bearing the transposable DNA element system, Mutator.
      
In addition, a 2.8-kbp fragment of the 5' upstream region of gH2A contained TATA and CAAT boxes, but neither a plant histone-specific regulatory DNA element nor vegetative cell-specific cis-elements were found.
      
We identified a 178?bp mobile DNA element in lettuce with characteristic CGAGC/GCTCG repeats in the subterminal regions.
      
Specific POL III RNA transcripts, initiating at the first 5' nucleotide of the DNA element, are also present in the tested tissues and possibly result from the transcriptional activity of as few as three genomic elements.
      
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The androgen receptor(AR) belongs to the steroid hormone receptor superfamily that is a ligand dependent transcription factor. It can regulate gene transcription through binding to specific DNA element. The action mechanism of androgen receptors is summarized with a special emphasis on the specificity of the function of androgen receptors.

主要概述了雄激素受体的作用机制,特别对影响雄激素受体特异性的因素进行探讨.雄激素受体(AR)属于甾体激素受体超家族,能通过配体依赖方式与特异的DNA序列结合,调控基因转录

Within eukaryotic nuclei, the genomic DNA is organized into topologically constrained domains by DNA regions (called scaffold attachment regions [SARs], or matrix attachment regions [MARs]) anchoring chromatin to the matrix. All S/MARs have several features in common, but they are various. Some studies found that some S/MARs were associated with many biochemical processes such as the regulation of DNA replication and transcription. Some experiments of gene transfection or of transgene to animal...

Within eukaryotic nuclei, the genomic DNA is organized into topologically constrained domains by DNA regions (called scaffold attachment regions [SARs], or matrix attachment regions [MARs]) anchoring chromatin to the matrix. All S/MARs have several features in common, but they are various. Some studies found that some S/MARs were associated with many biochemical processes such as the regulation of DNA replication and transcription. Some experiments of gene transfection or of transgene to animal or plant found that when the foreign gene was flanked by S/MAR on one side or both sides by gene recombination, the expression of the integrated foreign gene could be increased to several fold, sometimes even to 10000 fold, and/or was independent of chromosomal position. In some instances, it has been reported that S/MAR has the function to decease the transgene silencing. All of these effects of S/MAR would make it becomes a new type of cis acting DNA element which is very useful for increasing transcription activity and ensuring the correct control of randomly inserted transgenes in gene engineering. This paper reported the development of the research about the relationship between S/MAR and gene expression ,and some instances of the utilization of S/MAR.

在真核生物的细胞核内 ,基因组是通过 DNA的核骨架附着区 ( SAR)或称核基质附着区( MAR) (简记为 S/MAR)锚定在核骨架网状系统上的 .S/MAR既有一定的特征 ,又有多样性 ,研究认为它参与了 DNA复制调控和转录调控等多种核内生化过程 .通过重组 ,在目的基因一侧或两侧带上 S/MAR后作基因转染或转基因动植物 ,发现整合后的基因表达有时可增强几倍 ,甚至上万倍 ,和 /或显示位置独立效应 .有些研究还报道 ,S/MAR能克服转基因在传代过程中存在的转基因沉默的问题 .这些功效使得 S/MAR将可能成为基因工程中一个有用的顺式调控元件 .本文报道了关于 S/MAR与基因表达间关系的研究进展及一些应用实例

The differentiating of neurons and other distinct cell types during embryonic development requires the selective activation or repressing of many different sets of genes. Gene expression patterns in neurons are modulated by multiple extracellular and intracellular stimuli. The transcriptional regulation of individual gene is mediated by small DNA sequences such as silencer and enhancer, and the expression pattern can be determined by the integration of the effects of a very large number of these cis acting...

The differentiating of neurons and other distinct cell types during embryonic development requires the selective activation or repressing of many different sets of genes. Gene expression patterns in neurons are modulated by multiple extracellular and intracellular stimuli. The transcriptional regulation of individual gene is mediated by small DNA sequences such as silencer and enhancer, and the expression pattern can be determined by the integration of the effects of a very large number of these cis acting elements. These DNA elements either activate or repress promoter activity depending upon the nature of the transcription factors that bind to them . It is possible that there are different regulatory mechanisms of gene expression in the nerve system.

神经系统特异性基因正确的时空表达受细胞内外信号的调控 ,信号传导途径最终的靶位点是能结合特异转录因子的DNA序列 .目前发现的决定神经系统基因特异性表达的顺式作用元件既有增强子 ,也有沉默子 .它们可以特异性地增强基因在神经系统的表达 ,或特异性抑制基因在非神经系统的表达 .顺式元件要发挥这些作用 ,依赖于与其结合的反式因子 ,而这些反式因子又能与其他蛋白质或DNA序列发生互动 ,通过协调作用 ,共同决定基因的时空表达顺序 .

 
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