reassortment

简明释义

英[ˌriːəˈsɔːtmənt]美[ˌriəˈsɔrtmənt]

n. 重配

英英释义

单词用法

同义词

反义词

例句

1.Sequencing of all eight gene segments found no evidence of genetic reassortment with human or pig influenza viruses and no evidence of significant mutations.

所有八个基因片断的排序未发现证据表明与人或猪的流感病毒发生基因重组，也无证据表明发生显著突变。

2.One fear, however, is that H5N1 might become better at infecting humans by swapping genetic parts (reassortment) with types of flu virus that already infect humans easily.

但是让人感到恐惧的是，H5N1可以与更容易对人类造成感染的流感病毒交换基因片段(重组)而得到进化。

3.Reassortment could result in a fully transmissible pandemic virus, announced by a sudden surge of cases with explosive spread.

重组可导致完全具传播可能的大流行病毒，出现爆炸性传播，突然造成病例激增。

4.The first is a “reassortment” event, in which genetic material is exchanged between human and avian viruses during co-infection of a human or pig.

第一是“重组”，在人或猪合并感染人类或禽类病毒时发生基因材料交换。

5.Some currently circulating H5N1 strains are fully resistant to these the M2 inhibitors. However, should a new virus emerge through reassortment, the M2 inhibitors might be effective.

目前流行的一些H5N 1毒株对这些M2抑制剂有完全的耐药性，然而，如果新的病毒通过重组出现，M2抑制剂可能是有效的。

6.Genotyping of the PCR-amplified isolate from the confirmed case shows high homogeneity with other H5N1 isolates from poultry in Java, and no evidence of reassortment.

对确认病例的PCR扩增分离菌进行基因型确定，显示与爪哇禽类的其它H5N 1分离菌具有很高的一致性，没有重新分类的依据。

7.Dynamic gene mutation and the reassortment of genes have been considered as the key factors responsible for influenza a virus virulence and host tropism change.

动态的基因突变和基因重组被认为是流感病毒A的致病性和宿主趋向性改变的关键因子。

8.At that point there are not just eight, but 16 viral segments on assembly lines, and the genes start shuffling together in a process called reassortment.

从这个意义上来说，基因组就不只有八段了，其装配线上就有了十六段病毒基因。 这些基因在被称为重组的过程中开始慢慢地混合起来。

9.Understanding reassortment is crucial for developing effective vaccines.

理解重组对于开发有效疫苗至关重要。

10.The reassortment of genetic material between different virus strains can increase their virulence.

不同病毒株之间遗传物质的重组可以增加其致病性。

11.Scientists study reassortment in order to understand how pandemics can arise.

科学家研究重组以了解大流行病是如何产生的。

12.The phenomenon of reassortment is particularly common among segmented viruses.

对于分段病毒来说，重组现象尤其常见。

13.The process of viral reassortment can lead to the emergence of new strains of influenza.

病毒的重组过程可能导致新流感株的出现。

作文

Reassortment is a crucial biological process that occurs in viruses, particularly among those belonging to the family of RNA viruses. It refers to the mechanism by which these viruses exchange genetic material during co-infection of a host cell. This process can lead to the emergence of new viral strains with different characteristics, which can have significant implications for public health and disease management. Understanding the concept of reassortment (重组) is essential for virologists and epidemiologists as they study the evolution of viruses and their potential impacts on human populations.One of the most well-known examples of reassortment (重组) is seen in the influenza virus. The influenza virus has a segmented RNA genome, meaning its genetic material is divided into separate pieces. When two different strains of the influenza virus infect the same cell, the segments can mix and match, resulting in a new hybrid strain. This new strain may possess unique properties, such as increased virulence or altered transmissibility, which can pose challenges for vaccine development and disease control strategies.The implications of reassortment (重组) extend beyond influenza. Other viruses, such as the avian influenza virus and certain coronaviruses, also exhibit this behavior. For instance, when a human and an avian influenza virus co-infect a bird, the potential for reassortment (重组) increases. If a strain emerges that can efficiently transmit between humans, it could lead to a pandemic situation. This highlights the importance of surveillance and research in understanding how reassortment (重组) contributes to viral evolution and emergence.Moreover, reassortment (重组) plays a role in the development of vaccines. Vaccine developers must consider the possibility of reassortment (重组) when creating vaccines for viruses like influenza. If a vaccine targets a specific strain, but that strain undergoes reassortment (重组) and produces a new variant, the vaccine may become less effective. This necessitates annual updates to the influenza vaccine composition to ensure it remains effective against circulating strains.In addition to its implications for public health, reassortment (重组) also raises questions about biodiversity and ecological interactions. As viruses interact with various hosts, the potential for reassortment (重组) increases, leading to new viral forms that might exploit different ecological niches. This interconnectedness between viruses and their hosts emphasizes the need for comprehensive research on viral dynamics within ecosystems.In conclusion, reassortment (重组) is a vital process in the life cycle of many viruses, contributing to their evolution and the emergence of new strains. Its significance in public health cannot be overstated, as it poses challenges for vaccine development and disease management. By studying reassortment (重组), researchers can better predict and respond to viral threats, ultimately safeguarding public health and enhancing our understanding of viral ecology. As we continue to face emerging infectious diseases, the importance of grasping the mechanisms behind reassortment (重组) will only grow, underscoring the need for ongoing research and vigilance in the field of virology.

重组是一个重要的生物学过程，发生在病毒中，特别是属于RNA病毒家族的病毒。它指的是这些病毒在宿主细胞共感染期间交换遗传物质的机制。这个过程可能导致新的病毒株的出现，具有不同的特征，这对公共健康和疾病管理有重要影响。理解重组的概念对于病毒学家和流行病学家来说至关重要，因为他们研究病毒的进化及其对人类群体的潜在影响。最著名的重组例子出现在流感病毒中。流感病毒具有分段RNA基因组，意味着它的遗传物质被分为多个独立的部分。当两种不同株的流感病毒感染同一细胞时，这些片段可以混合和匹配，从而产生一种新的杂交株。这种新株可能具有独特的特性，例如增加的毒力或改变的传播能力，这可能对疫苗开发和疾病控制策略构成挑战。重组的影响不仅限于流感。其他病毒，如禽流感病毒和某些冠状病毒，也表现出这种行为。例如，当人类和禽流感病毒共同感染一只鸟时，重组的潜力就会增加。如果产生一种能够有效在人类之间传播的株，就可能导致大流行。这突显了监测和研究在理解重组如何促进病毒进化和出现中的重要性。此外，重组在疫苗开发中也发挥着作用。疫苗开发者在为流感等病毒创建疫苗时，必须考虑重组的可能性。如果一种疫苗针对特定株，但该株经历了重组并产生了新的变种，那么疫苗的有效性可能会降低。这需要每年更新流感疫苗的成分，以确保其对循环株仍然有效。除了对公共健康的影响，重组还引发了关于生物多样性和生态相互作用的问题。随着病毒与各种宿主的相互作用，重组的潜力增加，导致新的病毒形式可能利用不同的生态位。这种病毒与宿主之间的相互联系强调了对生态系统内病毒动态进行全面研究的必要性。总之，重组是许多病毒生命周期中的一个重要过程，促进它们的进化和新株的出现。它在公共健康中的重要性不容小觑，因为它对疫苗开发和疾病管理提出了挑战。通过研究重组，研究人员可以更好地预测和应对病毒威胁，最终保障公共健康，增强我们对病毒生态的理解。随着我们继续面对新兴传染病，掌握重组背后的机制的重要性只会增加，这凸显了在病毒学领域持续研究和警惕的必要性。