centromeric

简明释义

英[ˌsɛntrəʊˈmɛrɪk]美[ˌsɛntrəˈmɛrɪk]

着丝粒的

英英释义

单词用法

同义词

反义词

例句

1.It also suggests that these BamHI fragments may represent repeat units of the centromeric satellite DNA of takin.

有证据表明，这些片段可能代表羚牛染色体着丝点的卫星DNA单体。

2.It is shown that the mean relative lengths and centromeric indices of autosomal SCs agree closely with those of mitotic chromosomes.

结果表明，常染色体联会复合体的相对长度和着丝点指数与体细胞染色体的相应参数具有很好的吻合性。

3.It is shown that the mean relative lengths and centromeric indices of autosomal SCs agree closely with those of mitotic chromosomes.

结果表明，常染色体联会复合体的相对长度和着丝点指数与体细胞染色体的相应参数具有很好的吻合性。

4.The centromeric 着丝粒的 DNA sequences are essential for the proper segregation of chromosomes during mitosis.

在有丝分裂过程中，centromeric 着丝粒的 DNA 序列对于染色体的正确分离是必不可少的。

5.The centromeric 着丝粒的 position can affect gene expression and phenotypic traits in organisms.

在生物体中，centromeric 着丝粒的 位置可以影响基因表达和表型特征。

6.The study focused on the centromeric 着丝粒的 regions of the chromosomes to understand their role in cell division.

这项研究集中在染色体的centromeric 着丝粒的 区域，以了解它们在细胞分裂中的作用。

7.In genetic engineering, scientists often manipulate centromeric 着丝粒的 regions to create stable transgenic organisms.

在基因工程中，科学家们常常操纵centromeric 着丝粒的 区域以创建稳定的转基因生物。

8.Researchers have identified several genes located in the centromeric 着丝粒的 area that are crucial for chromosome stability.

研究人员已经确定了几个位于centromeric 着丝粒的 区域的基因，这些基因对染色体稳定性至关重要。

作文

The study of genetics has always fascinated scientists and researchers alike. One of the key components in understanding how genes are inherited and expressed lies in the structure of chromosomes, particularly the role of the centromere. The centromere is a specialized region of a chromosome that plays a crucial role during cell division. It is essential for the proper segregation of chromosomes into daughter cells. Understanding this region is important not only for genetics but also for fields such as cancer research and developmental biology.In the context of chromosomes, the term centromeric (着丝粒的) refers to anything related to the centromere. This can include various proteins that bind to the centromere and are involved in the formation of the kinetochore, a structure that allows for the attachment of spindle fibers during cell division. The centromeric (着丝粒的) region is typically characterized by specific DNA sequences that are crucial for the function of the centromere. These sequences can vary significantly among different species, highlighting the evolutionary adaptations of this essential genomic feature.Moreover, the stability of the centromeric (着丝粒的) region is vital for maintaining genetic integrity. Any mutations or disruptions in this area can lead to chromosomal instability, which is often seen in cancer cells. For instance, abnormal centromeric (着丝粒的) function can result in aneuploidy, a condition where cells have an abnormal number of chromosomes. This underscores the importance of studying the centromeric (着丝粒的) regions in various diseases and conditions.Research has shown that the centromeric (着丝粒的) DNA is often rich in repetitive sequences, which can make it challenging to study using traditional sequencing methods. However, advancements in technology have allowed scientists to explore these regions more thoroughly. Understanding the composition and function of centromeric (着丝粒的) DNA not only aids in deciphering the mechanics of cell division but also provides insights into how certain genetic disorders arise.Furthermore, the centromeric (着丝粒的) region is also involved in epigenetic regulation, which refers to changes in gene expression that do not involve alterations to the underlying DNA sequence. Modifications occurring in the centromeric (着丝粒的) area can influence the overall chromatin structure, affecting how genes are expressed throughout the genome. This interplay between the centromeric (着丝粒的) region and gene regulation is a burgeoning area of research that holds promise for future therapeutic strategies.In conclusion, the centromeric (着丝粒的) region of chromosomes is a fundamental aspect of genetics that merits further exploration. Its implications stretch far beyond mere chromosome organization; they touch on critical areas of human health and disease. By deepening our understanding of centromeric (着丝粒的) functions, we can unlock new avenues for medical research and potentially develop innovative treatments for genetic disorders and cancers. As science continues to advance, the mysteries surrounding the centromeric (着丝粒的) region will likely unravel, leading to significant breakthroughs in our understanding of biology and medicine.

遗传学的研究一直吸引着科学家和研究人员。理解基因如何遗传和表达的关键在于染色体的结构，特别是着丝粒的作用。着丝粒是染色体的一个特殊区域，在细胞分裂过程中起着至关重要的作用。它对染色体在子细胞中的正确分配至关重要。理解这个区域不仅对遗传学重要，还对癌症研究和发育生物学等领域至关重要。在染色体的背景下，centromeric（着丝粒的）一词指的是与着丝粒相关的任何事物。这可以包括结合到着丝粒的各种蛋白质，这些蛋白质参与动粒的形成，动粒是允许在细胞分裂期间附着纺锤纤维的结构。centromeric（着丝粒的）区域通常以特定的DNA序列为特征，这些序列对着丝粒的功能至关重要。这些序列在不同物种之间可能显著不同，突显了这一基本基因组特征的进化适应性。此外，centromeric（着丝粒的）区域的稳定性对于维持遗传完整性至关重要。该区域的任何突变或干扰都可能导致染色体不稳定，这通常在癌细胞中可见。例如，异常的centromeric（着丝粒的）功能可能导致非整倍体，即细胞具有异常数量的染色体。这强调了在各种疾病和状况中研究centromeric（着丝粒的）区域的重要性。研究表明，centromeric（着丝粒的）DNA通常富含重复序列，这使得使用传统测序方法进行研究变得具有挑战性。然而，技术的进步使科学家能够更彻底地探索这些区域。理解centromeric（着丝粒的）DNA的组成和功能不仅有助于解读细胞分裂的机制，还提供了关于某些遗传疾病如何产生的见解。此外，centromeric（着丝粒的）区域还涉及表观遗传调控，表观遗传调控指的是不涉及对基础DNA序列的改变而导致的基因表达变化。发生在centromeric（着丝粒的）区域的修饰可以影响整体染色质结构，从而影响基因在整个基因组中的表达。这种centromeric（着丝粒的）区域与基因调控之间的相互作用是一个新兴的研究领域，未来可能为治疗策略提供希望。总之，染色体的centromeric（着丝粒的）区域是遗传学的一个基本方面，值得进一步探索。它的影响远不止于染色体的组织；它涉及人类健康和疾病的关键领域。通过加深我们对centromeric（着丝粒的）功能的理解，我们可以开启医学研究的新途径，并可能开发出针对遗传疾病和癌症的创新治疗方法。随着科学的不断进步，围绕centromeric（着丝粒的）区域的奥秘可能会逐渐揭开，从而在我们对生物学和医学的理解方面取得重大突破。