intron

简明释义

英[ˈɪntrɒn]美[ˈɪntrɑːn]

n. 基因内区；内含子

英英释义

单词用法

同义词

反义词

例句

1.The bond is broken releasing the 5 'end of the intron and attaching it to the branch point sequence, the intron now forms a tailed loop structure called a lariat.

债券是破碎释放的5'端的内含，并注重向分支点序列，内含子，现在形成了一个尾式闭环结构称为套索。

2.In this study, CHD gene intron sequences of 12 species of Falconiformes were compared and analyzed.

对12个隼形目物种CHD基因的一段内含子序列进行比较和分析。

3.Aim: To clone the cross-intron genomic DNAs of the duplicated carbonic anhydrase (DCA1) and carbonic anhydrase (CA1) genes from Dunaliella salina.

目的：克隆杜氏盐藻双拷贝碳酸酐酶(DCA1)和碳酸酐酶(CA1)基因跨内含子基因组dna序列。

4.The intron is a repetitive sequence rich in AT (61%).

内含子的AT含量达到61%且含有较多的重复序列。

5.In intron 16 one site has transition heterozygote.

在内含子16内有1个位点存在转换型杂合子。

6.Theses results demonstrated that all exons of MyoG gene were highly conservative, but its introns (especially intron 1) were more polymorphic in the process of wild boar evolution.

这些结果表明，野猪肌细胞生成素基因的编码序列在进化过程中是高度保守的，而内含子部分尤其是第1内含子具有丰富的序列多态性。

7.It differs from the original DNA sequence in that it lacks intron and promoter sequences.

这样获得的DNA与原始的dna序列的不同在于缺少内含子和启动序列。

8.The study focused on how introns (内含子) affect protein diversity in eukaryotes.

该研究集中于内含子如何影响真核生物中的蛋白质多样性。

9.During the process of gene expression, the presence of an intron (内含子) can disrupt the coding sequence.

在基因表达过程中，内含子的存在可能会干扰编码序列。

10.Researchers found that some introns (内含子) play a role in regulating gene activity.

研究人员发现一些内含子在调节基因活性方面发挥作用。

11.In some organisms, introns (内含子) can be quite large compared to the exons.

在某些生物中，内含子的大小可能相对于外显子来说相当大。

12.The splicing of introns (内含子) from pre-mRNA is essential for producing mature mRNA.

从前体mRNA中剪接内含子对生成成熟mRNA至关重要。

作文

In the realm of molecular biology, understanding the structure and function of genes is crucial. One of the key components within a gene is the segment known as an intron (内含子). Introns are non-coding regions found in the DNA sequence of a gene that are transcribed into RNA but are not translated into protein. This means that when a gene is expressed, the introns must be removed from the pre-mRNA through a process called splicing before the remaining coding sequences, known as exons, can be translated into a functional protein. The discovery of introns (内含子) has significantly altered our understanding of genetic regulation and expression. Initially, scientists believed that all DNA sequences were directly responsible for coding proteins. However, the presence of introns (内含子) demonstrated that not all parts of a gene contribute to the final protein product. This has led researchers to explore the evolutionary significance of introns (内含子) and their role in the complexity of eukaryotic organisms.One of the fascinating aspects of introns (内含子) is their potential regulatory functions. Some studies suggest that introns (内含子) may play a role in the regulation of gene expression by influencing the stability of mRNA or the efficiency of translation. Additionally, introns (内含子) can contribute to alternative splicing, a process that allows a single gene to produce multiple protein variants. This increases the diversity of proteins that can be generated from a limited number of genes, which is particularly important in complex organisms.Moreover, the study of introns (内含子) has implications in various fields, including medicine and biotechnology. For instance, mutations within introns (内含子) can lead to genetic disorders, as they may disrupt normal splicing patterns. Understanding these mutations can aid in the development of targeted therapies and diagnostics. Furthermore, the manipulation of introns (内含子) in genetic engineering can enhance the expression of desired traits in crops or other organisms.In conclusion, introns (内含子) are essential elements of gene structure that have profound implications for our understanding of genetics and molecular biology. Their discovery has reshaped our perception of how genes operate and interact, highlighting the complexity of genetic information beyond mere coding sequences. As research continues to unravel the mysteries surrounding introns (内含子), we can expect to uncover more about their roles in evolution, gene regulation, and their potential applications in medicine and biotechnology. The ongoing investigation into introns (内含子) promises to yield valuable insights that could transform our approach to genetics and its practical applications.

在分子生物学的领域中，理解基因的结构和功能至关重要。基因中的一个关键组成部分是被称为内含子（intron）的片段。内含子（内含子）是DNA序列中发现的非编码区域，它们被转录为RNA，但不被翻译成蛋白质。这意味着当基因被表达时，内含子（内含子）必须通过一种称为剪接的过程从前体mRNA中去除，然后剩余的编码序列，称为外显子，才能被翻译成功能性蛋白质。内含子（内含子）的发现显著改变了我们对基因调控和表达的理解。最初，科学家们认为所有DNA序列都直接负责编码蛋白质。然而，内含子（内含子）的存在表明，并不是基因的所有部分都对最终的蛋白质产品有贡献。这促使研究人员探索内含子（内含子）的进化意义及其在真核生物复杂性中的作用。内含子（内含子）一个迷人的方面是它们潜在的调控功能。一些研究表明，内含子（内含子）可能通过影响mRNA的稳定性或翻译效率来发挥基因表达调控的作用。此外，内含子（内含子）可以促进可变剪接的发生，这一过程允许单个基因产生多种蛋白质变体。这增加了从有限数量的基因生成多样化蛋白质的可能性，这在复杂生物中尤为重要。此外，内含子（内含子）的研究在医学和生物技术等多个领域具有重要意义。例如，内含子（内含子）中的突变可能导致遗传疾病，因为它们可能干扰正常的剪接模式。理解这些突变可以帮助开发针对性的治疗和诊断。此外，在基因工程中操纵内含子（内含子）可以增强作物或其他生物中期望特征的表达。总之，内含子（内含子）是基因结构的重要元素，对我们理解遗传学和分子生物学具有深远的影响。它们的发现重塑了我们对基因如何运作和相互作用的看法，突显了遗传信息超越单纯编码序列的复杂性。随着研究继续揭开围绕内含子（内含子）的神秘面纱，我们可以期待发现更多关于它们在进化、基因调控中的角色，以及它们在医学和生物技术中潜在应用的内容。对内含子（内含子）的持续研究承诺将带来宝贵的见解，这些见解可能会改变我们对遗传学及其实际应用的看法。