microsatellites

简明释义

英[ˌmaɪkrəʊˈsætəlaɪts]美[ˌmaɪkroʊˈsætəˌlaɪts]

微随体

英英释义

单词用法

同义词

反义词

例句

1.Triplet repeats are the most abundant microsatellites in the EST sequences of Eucalyptus.

在桉树EST序列中，重复单元长度为三碱基的微卫星最为丰富。

2.Featuring micro mass, volume, power consumption and high accuracy, micro star tracker gains broad application in microsatellites.

微型星敏感器以其质量小、体积小、功耗小、精度高的优点在小型卫星中得到了越来越多的应用。

3.Not only was this not true, but unguided spring release is a standard method of deployment for microsatellites used by many countries.

这是不正确的。而且不受控制的弹簧是释放小型卫星的标准做法也被许多国家的媒体引用。

4.The classic approach to determining linkage of a complex trait has involved the technique of genome-wide scanning with microsatellites.

检测复杂性状连锁的经典方法与全基因组与微卫星扫描法相关。

5.At last the concept of distributed microsatellites is introduced and some methods of moving targets detection and imaging based on distributed microsatellites are discussed.

最后，对分布式小卫星的概念进行了介绍，讨论了基于分布式小卫星的运动目标检测与成像方法。

6.Microsatellites are simply repeated nucleotide sequences scattered throughout the human genome.

微卫星为遍布于人类基因组中的简单重复序列。

7.One calls for launching microsatellites into low Earth orbit in constellations that would provide continuous target coverage.

其中之一是将小卫星发射到低地球轨道构成卫星星座，以便能提供对目标的持续覆盖。

8.A review of application about microsatellites in population genetic study was given.

对微卫星标记在动物种群遗传学中的应用进行了综述。

9.Researchers often use microsatellites to study genetic diversity in populations.

研究人员通常使用微卫星来研究种群的遗传多样性。

10.The analysis of microsatellites can help in forensic investigations to identify suspects.

对微卫星的分析可以帮助法医调查识别嫌疑人。

11.In agriculture, microsatellites are used to track traits in crop breeding programs.

在农业中，微卫星用于跟踪作物育种项目中的性状。

12.Scientists have discovered that microsatellites can be used as markers for disease susceptibility.

科学家发现微卫星可以作为疾病易感性的标记。

13.The presence of certain microsatellites can indicate evolutionary relationships among species.

某些微卫星的存在可以指示物种之间的进化关系。

作文

In the field of genetics, the study of microsatellites (微卫星) has become increasingly important due to their role in understanding genetic variation and evolution. Microsatellites are short, repetitive sequences of DNA that are found throughout the genome. These sequences consist of 1 to 6 base pairs that repeat multiple times, making them highly polymorphic, which means they can vary greatly among individuals within a species. This variability makes microsatellites valuable tools for geneticists and conservation biologists alike. One of the most significant applications of microsatellites is in the field of population genetics. By analyzing the variations in microsatellites, researchers can assess genetic diversity within populations, which is crucial for understanding how species adapt to changing environments. For instance, in conservation efforts, knowing the genetic diversity of an endangered species can help in making decisions about breeding programs and habitat protection. A population with high genetic diversity is generally more resilient to diseases and environmental changes, while low diversity can lead to inbreeding and increased extinction risk. Moreover, microsatellites are also used in forensic science. Their high level of variability allows forensic scientists to create DNA profiles that can identify individuals with a high degree of accuracy. This technique has revolutionized criminal investigations, enabling law enforcement to solve cases that were previously unsolvable. The use of microsatellites in forensic analysis involves comparing the DNA from crime scene samples to that of suspects or databases, providing crucial evidence in court. In addition to their applications in population genetics and forensic science, microsatellites have also been instrumental in studying human evolution. Researchers have utilized microsatellites to trace lineage and migration patterns of ancient human populations. By examining the distribution of these genetic markers across different geographical regions, scientists can infer how populations moved and interacted over thousands of years. This research contributes to our understanding of human history and the factors that shaped our genetic makeup. Despite their many advantages, the study of microsatellites is not without challenges. One issue is the potential for mutation, as microsatellites can change rapidly over generations. This can complicate analyses, particularly in long-term studies where consistent markers are needed. Additionally, the process of isolating and analyzing microsatellites can be labor-intensive and requires advanced techniques in molecular biology. In conclusion, microsatellites (微卫星) are a fascinating area of study within genetics that offers insights into genetic diversity, evolution, and forensic science. Their unique properties make them essential tools for researchers, helping to unravel the complexities of life on Earth. As technology continues to advance, the potential applications of microsatellites will likely expand, further enhancing our understanding of genetics and its implications for biodiversity and conservation. The ongoing research in this field promises to deepen our comprehension of not just individual species but the interconnectedness of life itself.

在遗传学领域，微卫星（microsatellites）的研究变得越来越重要，因为它们在理解遗传变异和进化中的作用。微卫星是存在于基因组中的短重复DNA序列。这些序列由1到6个碱基对组成，并重复多次，使其具有高度多态性，这意味着它们在同一物种内的个体之间可以有很大的差异。这种变异性使得微卫星成为遗传学家和保护生物学家非常有价值的工具。 微卫星最重要的应用之一是在种群遗传学领域。通过分析微卫星的变异，研究人员可以评估种群内的遗传多样性，这对于理解物种如何适应环境变化至关重要。例如，在保护工作中，了解濒危物种的遗传多样性可以帮助制定繁殖计划和栖息地保护的决策。遗传多样性高的种群通常对疾病和环境变化更具弹性，而低多样性则可能导致近亲繁殖和增加灭绝风险。 此外，微卫星还被用于法医学。它们的高度变异性使法医科学家能够创建DNA档案，以高精度识别个体。这项技术彻底改变了刑事调查，使执法部门能够解决以前无法解决的案件。在法医学分析中使用微卫星涉及将犯罪现场样本的DNA与嫌疑人或数据库进行比较，为法庭提供关键证据。 除了在种群遗传学和法医学中的应用，微卫星在研究人类进化方面也发挥了重要作用。研究人员利用微卫星追踪古代人类群体的血统和迁徙模式。通过检查这些遗传标记在不同地理区域的分布，科学家可以推断人群在数千年间如何移动和互动。这项研究有助于我们理解人类历史以及塑造我们遗传构成的因素。 尽管有许多优点，微卫星的研究并非没有挑战。一个问题是突变的潜力，因为微卫星在几代人中可能迅速变化。这可能会使分析复杂化，特别是在需要一致标记的长期研究中。此外，分离和分析微卫星的过程可能耗时且需要分子生物学的先进技术。 总之，微卫星（microsatellites）是遗传学中一个迷人的研究领域，为遗传多样性、进化和法医学提供了见解。它们的独特属性使其成为研究人员的重要工具，帮助揭示地球生命的复杂性。随着技术的不断进步，微卫星的潜在应用可能会扩展，进一步增强我们对遗传学及其对生物多样性和保护影响的理解。这一领域的持续研究承诺加深我们对不仅是个别物种，而且是生命相互联系的理解。