tandem junction

简明释义

串接结

英英释义

例句

1.The engineer designed a tandem junction to improve traffic flow in the busy intersection.

工程师设计了一个双车道交汇处，以改善繁忙交叉口的交通流量。

2.The new bike path features a tandem junction that allows cyclists to merge safely.

新的自行车道设有一个双车道交汇处，可以安全地让骑自行车的人合流。

3.At the tandem junction, pedestrians can choose to cross or continue walking along the path.

在这个双车道交汇处，行人可以选择过马路或继续沿着小路走。

4.During the meeting, we discussed the impact of the new tandem junction on local traffic patterns.

在会议中，我们讨论了新的双车道交汇处对当地交通模式的影响。

5.The tandem junction connects two major roads, making it easier for drivers to navigate.

这个双车道交汇处连接了两条主要道路，使司机更容易导航。

作文

In the field of genetics, the term tandem junction refers to a specific type of genetic arrangement where two or more genes or genetic elements are located adjacent to each other on the same chromosome. This close proximity can have significant implications for gene expression and regulation. Understanding the role of tandem junction arrangements is crucial for researchers studying genetic diseases, evolutionary biology, and the mechanisms of heredity.The concept of tandem junction is particularly important in the study of gene duplication. Gene duplication is a process where a segment of DNA is copied, resulting in multiple copies of the same gene. When these duplicated genes are situated next to each other, they form a tandem junction. This arrangement can lead to the evolution of new functions for the duplicated genes, as they may undergo mutations over time, potentially resulting in beneficial traits that enhance an organism's survival.Moreover, tandem junction structures can influence the regulation of gene expression. Genes that are in close proximity can share regulatory elements, such as enhancers or silencers, which can coordinate their expression levels. This phenomenon is particularly evident in operons found in prokaryotes, where multiple genes are transcribed together from a single promoter, allowing for a coordinated response to environmental changes.In addition to their role in gene duplication and regulation, tandem junction configurations can also be involved in genomic instability. When DNA replication occurs, errors can sometimes lead to the misalignment of tandem junction regions, resulting in structural variations such as deletions or amplifications. These genomic alterations can contribute to various diseases, including cancer, where genomic instability plays a critical role in tumorigenesis.Furthermore, the study of tandem junction arrangements has practical applications in biotechnology and medicine. For instance, understanding how these genetic structures function can aid in the development of gene therapies. By manipulating tandem junction regions, scientists can potentially enhance the efficacy of therapeutic genes or create targeted treatments for genetic disorders.In summary, the term tandem junction encompasses a vital aspect of genetics that highlights the importance of gene arrangement and interaction. As research continues to unravel the complexities of genetic structures, the significance of tandem junction will undoubtedly become increasingly apparent. By exploring these arrangements, scientists can gain insights into evolutionary processes, disease mechanisms, and potential therapeutic strategies, ultimately advancing our understanding of biology and improving human health.

在遗传学领域，术语串联连接指的是一种特定类型的遗传排列，其中两个或多个基因或遗传元素位于同一染色体上相邻的位置。这种紧密的邻近关系可能对基因表达和调控产生重要影响。理解串联连接排列的作用对于研究遗传疾病、进化生物学以及遗传机制的研究者来说至关重要。串联连接的概念在基因重复的研究中尤为重要。基因重复是指DNA的一段被复制，导致同一基因的多个拷贝。当这些重复基因彼此相邻时，它们形成了串联连接。这种排列可以导致重复基因的新功能的演变，因为它们可能随着时间的推移发生突变，进而可能导致增强生物体生存能力的有益特征。此外，串联连接结构还可以影响基因表达的调控。紧密相邻的基因可以共享调控元件，例如增强子或沉默子，这可以协调它们的表达水平。这种现象在原核生物的操纵子中尤为明显，多个基因从单个启动子一起转录，使其能够对环境变化做出协调反应。除了在基因重复和调控中的作用外，串联连接配置也可能与基因组不稳定性有关。当DNA复制发生时，有时错误会导致串联连接区域的错位，从而导致结构变异，如缺失或扩增。这些基因组变化可能导致各种疾病，包括癌症，在癌症发生中基因组不稳定性起着关键作用。此外，研究串联连接排列在生物技术和医学中具有实际应用。例如，了解这些遗传结构的功能可以帮助基因治疗的发展。通过操纵串联连接区域，科学家可以潜在地提高治疗基因的有效性或创建针对遗传疾病的靶向治疗。总之，术语串联连接涵盖了遗传学的一个重要方面，突出了基因排列和相互作用的重要性。随着研究不断揭示遗传结构的复杂性，串联连接的重要性无疑将变得越来越明显。通过探索这些排列，科学家可以深入了解进化过程、疾病机制和潜在的治疗策略，最终推进我们对生物学的理解并改善人类健康。