mutagen

简明释义

英[ˈmjuːtədʒ(ə)n]美[ˈmjuːtədʒn]

n. 诱变剂，诱变因素；突变原

英英释义

单词用法

同义词

反义词

例句

1.The main results are as follows:(1) Treated by ultraviolet ray and chemical mutagen, 50 isolates were obtained from isolate BC4's conidial suspension.

以灰葡萄孢BC4为出发菌株，通过紫外线和化学诱变剂诱变分生孢子，共获得50个菌株。

2.Chromosome analysis is an important and difficult task in clinical diagnosis, mutagen dosimetry and biological research.

引言染色体分析是临床诊断、诱变因素剂量学和生物学研究的一个重要而困难的任务。

3.Methods: To mutate breeding for strain by chemical mutagen. Its producing resistant ability and propagating stability of strain obtained by screening was observed by shaking flask test.

方法：用化学诱变剂对菌种进行诱变育种，筛选得到的菌株通过摇瓶试验考察其产抗能力与传代稳定性。

4.The result of mice experiment indicated that VC may be a mutagen, and may be toxic in reproduction and memory.

氯乙烯对小鼠有致突变性和一定的生殖毒性，且可能对小鼠的记忆功能有一定影响。

5.Results all samples of water have plenty of direct mutagen and a small amount of indirect mutagen of base frameshift mutation.

结果各水样中有大量的碱基移码型的直接致突变物和少量的需经代谢活化的碱基移码型的直接致突变物。

6.This work provided a new method for Posting the mutagenic mechanism, investigating comprehensive effect of mutagen on the growth of microorganism and monitoring the mutagenic growth process.

该研究为揭示致突变机理，考察致突变剂对微生物生长的综合影响，监测致突变生长过程提供了一种新的思路和方法。

7.However, BIS was to take bleomycin as a mutagen to reflect the sensibility of lymphocyte to the mutagen.

BIS检测是用博莱霉素作突变剂，反应细胞对致突变剂的敏感性。

8.In addition, such method was compared with other genotoxicology method in order to probe into the possibility of utilizing such technology to detect environment mutagen.

此外，还用其他遗传毒理学方法与本方法进行了比较研究，探索利用该技术检测环境中诱变因素的可能性。

9.Ion implantation as a new mutagen caused high mutation rate and wide mutational spectrum with low damage, and it was also mutated in the direction.

离子注入是一种新型的作物诱变技术。离子注入不仅损伤轻，而且突变率高，突变谱广并可定向引变。

10.Exposure to certain chemicals can increase the risk of cancer due to their properties as a mutagen (突变原).

接触某些化学物质可能会增加癌症风险，因为它们具有作为突变原的特性。

11.Radiation is a well-known mutagen (突变原) that can cause DNA damage.

辐射是一个众所周知的突变原，可以导致DNA损伤。

12.Some viruses can act as mutagens (突变原) by integrating their genetic material into host DNA.

一些病毒可以通过将其遗传物质整合到宿主DNA中来作为突变原。

13.The study focused on identifying potential mutagens (突变原) in commonly used household products.

该研究专注于识别常用家居产品中的潜在突变原。

14.Certain foods contain natural mutagens (突变原) that can affect human health when consumed in large amounts.

某些食物含有天然的突变原，如果大量食用可能会影响人类健康。

作文

In today's world, the study of genetics has become increasingly important, especially in understanding how various factors can affect our DNA. One of the key concepts in this field is the term mutagen, which refers to any agent that can cause a change in the DNA sequence of an organism. These changes, known as mutations, can have a range of effects, from harmless variations to serious genetic disorders. Understanding mutagens is crucial for scientists and researchers as they work to uncover the complex interactions between our environment and our genetic makeup. Mutagens can come in many forms, including physical agents like radiation, chemical substances, and even biological factors such as viruses. For instance, exposure to ultraviolet light from the sun is a well-known physical mutagen that can lead to skin cancer by causing mutations in skin cells. Similarly, certain chemicals found in tobacco smoke are also classified as mutagens, as they can induce changes in the DNA of lung cells, increasing the risk of lung cancer. The impact of mutagens on human health is a significant area of research. Scientists strive to identify specific mutagens and understand their mechanisms of action. By studying how these agents interact with DNA, researchers can develop strategies to mitigate their harmful effects. For example, public health campaigns often focus on reducing exposure to known mutagens, such as promoting smoking cessation to decrease the risk of cancer. Moreover, not all mutations caused by mutagens are detrimental. Some mutations can lead to beneficial traits that enhance an organism's survival. This concept is fundamental to the theory of evolution, where genetic variations provide the raw material for natural selection. In this sense, mutagens play a dual role in shaping the genetic diversity of populations. In the field of medicine, understanding mutagens is essential for developing targeted therapies for genetic diseases. For instance, researchers are investigating how certain mutagens contribute to the development of cancers, allowing for the creation of personalized treatment plans based on an individual's unique genetic profile. This approach not only improves treatment efficacy but also minimizes potential side effects by targeting specific mutations. Furthermore, the study of mutagens extends beyond human health. Environmental scientists examine how these agents affect ecosystems and biodiversity. For example, pollutants that act as mutagens can disrupt the reproductive systems of wildlife, leading to population declines and altered ecological dynamics. Understanding these effects is vital for conservation efforts and environmental protection. In conclusion, the concept of mutagen is pivotal in the fields of genetics, medicine, and environmental science. As we continue to explore the complexities of DNA and its interactions with various agents, the knowledge gained will enable us to better protect human health and the environment. Awareness of mutagens and their effects can lead to informed decisions about lifestyle choices and policy-making, ultimately contributing to a healthier future for all living organisms.

在当今世界，遗传学的研究变得越来越重要，尤其是在理解各种因素如何影响我们的DNA方面。这个领域的一个关键概念是术语突变源，它指的是任何能够导致生物体DNA序列变化的物质。这些变化被称为突变，可能会产生一系列的影响，从无害的变异到严重的遗传疾病。理解突变源对科学家和研究人员至关重要，因为他们努力揭示环境与我们基因组之间复杂的相互作用。 突变源可以有多种形式，包括物理因素如辐射、化学物质，甚至生物因素如病毒。例如，暴露于阳光下的紫外线是一个众所周知的物理突变源，它可以通过导致皮肤细胞中的突变而导致皮肤癌。同样，烟草烟雾中某些化学物质也被归类为突变源，因为它们可以诱导肺细胞中的DNA变化，从而增加肺癌的风险。 突变源对人类健康的影响是一个重要的研究领域。科学家们努力识别特定的突变源并理解它们的作用机制。通过研究这些物质如何与DNA相互作用，研究人员可以制定减轻其有害影响的策略。例如，公共卫生运动通常专注于减少对已知突变源的暴露，例如促进戒烟以降低癌症风险。 此外，并非所有由突变源引起的突变都是有害的。有些突变可能导致增强生物体生存能力的有益特征。这个概念是进化论的基础，其中遗传变异提供了自然选择的原材料。从这个意义上说，突变源在塑造种群的遗传多样性方面发挥了双重作用。 在医学领域，理解突变源对于开发针对遗传疾病的靶向疗法至关重要。例如，研究人员正在调查某些突变源如何促进癌症的发展，从而允许根据个体独特的遗传特征制定个性化治疗方案。这种方法不仅提高了治疗效果，还通过针对特定突变来最小化潜在的副作用。 此外，突变源的研究超越了人类健康。环境科学家研究这些物质如何影响生态系统和生物多样性。例如，作为突变源的污染物可能会破坏野生动物的生殖系统，导致种群下降和生态动态的改变。理解这些影响对于保护工作和环境保护至关重要。 总之，突变源的概念在遗传学、医学和环境科学领域是至关重要的。随着我们继续探索DNA及其与各种物质相互作用的复杂性，获得的知识将使我们能够更好地保护人类健康和环境。对突变源及其影响的认识可以导致对生活方式选择和政策制定的明智决策，最终为所有生物体创造一个更健康的未来。