colicin

简明释义

英[ˈkɒlɪsɪn]美[ˈkɑlɪsɪn;ˈkolɪsɪn]

n. [生化] 大肠杆菌素

英英释义

单词用法

同义词

反义词

例句

1.An antibacterial substance, such as colicin, produced by a strain of certain bacteria and harmful to another strain within the same family.

一种抗菌物质，如大肠杆菌素，由某种细菌的菌株产生，对同一族系中另外的菌株有害。

2.An antibacterial substance, such as colicin, produced by a strain of certain bacteria and harmful to another strain within the same family.

一种抗菌物质，如大肠杆菌素，由某种细菌的菌株产生，对同一族系中另外的菌株有害。

3.Researchers are studying colicin to understand its potential as an antibacterial agent.

研究人员正在研究colicin（细菌毒素），以了解其作为抗菌剂的潜力。

4.The mechanism of action of colicin involves disrupting the target cell's membrane.

在colicin（细菌毒素）的作用机制中，涉及破坏靶细胞的膜。

5.Certain strains of E. coli produce colicin that can inhibit the growth of competing bacteria.

某些大肠杆菌菌株产生的colicin（细菌毒素）可以抑制竞争细菌的生长。

6.In microbiology, colicin is often used to study bacterial competition.

在微生物学中，colicin（细菌毒素）常用于研究细菌竞争。

7.The bacterium produces a protein called colicin which can kill other bacteria.

这种细菌产生一种叫做colicin（细菌毒素）的蛋白质，可以杀死其他细菌。

作文

In the world of microbiology, the study of bacteria and their interactions with one another is a fascinating area of research. One key aspect of this interaction involves substances known as bacteriocins, which are antimicrobial peptides produced by bacteria to inhibit the growth of similar or closely related bacterial strains. Among these bacteriocins, a specific type called colicin (大肠杆菌素) stands out due to its unique properties and applications. Colicin is primarily produced by Escherichia coli (E. coli), a common bacterium found in the intestines of humans and animals. This substance plays a crucial role in bacterial competition, allowing E. coli strains that produce colicin to dominate their environment by eliminating rival bacteria. The mechanism of action for colicin involves the disruption of the target cell's membrane, leading to cell death. This can occur through various pathways, including pore formation in the membrane or enzymatic degradation of essential cellular components. Understanding how colicin functions not only sheds light on bacterial ecology but also opens doors for potential medical applications. For instance, researchers are exploring the use of colicin as a natural antibiotic alternative. With the rise of antibiotic resistance, the need for new antimicrobial agents has never been more pressing. Since colicin specifically targets other bacteria without harming human cells, it presents a promising avenue for developing novel treatments. Furthermore, the ability of colicin to selectively kill pathogenic bacteria could be harnessed in food preservation and safety. By incorporating colicin or its derivatives into food products, manufacturers could potentially reduce the risk of foodborne illnesses caused by harmful bacteria. Despite its potential benefits, the study of colicin is not without challenges. The production of colicin in laboratory settings can be complex, and its stability under different conditions needs thorough investigation. Additionally, the ecological impact of introducing colicin into environments where it does not naturally occur must be carefully considered to avoid unintended consequences. In conclusion, colicin represents an intriguing subject within microbiology, illustrating the intricate relationships among bacteria and the potential for harnessing these interactions for human benefit. As research continues to unfold, the role of colicin in both ecological dynamics and medical applications will likely become increasingly significant. Understanding and mastering the implications of colicin could lead to breakthroughs in how we combat bacterial infections and ensure food safety, marking a vital step forward in our ongoing battle against harmful microorganisms.

在微生物学的世界里，细菌及其相互作用的研究是一个迷人的研究领域。这种相互作用的一个关键方面涉及被称为细菌素的物质，这些抗微生物肽由细菌产生，以抑制相似或密切相关的细菌株的生长。在这些细菌素中，一种特定类型叫做大肠杆菌素（colicin）因其独特的特性和应用而脱颖而出。大肠杆菌素主要由大肠杆菌（E. coli）产生，这是一种常见的细菌，存在于人类和动物的肠道中。这种物质在细菌竞争中发挥着至关重要的作用，使得产生大肠杆菌素的E. coli菌株能够通过消灭竞争细菌来主导其环境。大肠杆菌素的作用机制涉及破坏目标细胞的膜，导致细胞死亡。这可以通过多种途径发生，包括在膜中形成孔洞或对必需的细胞成分进行酶降解。了解大肠杆菌素的功能不仅揭示了细菌生态学，而且为潜在的医学应用打开了大门。例如，研究人员正在探索将大肠杆菌素作为自然抗生素替代品的使用。随着抗生素耐药性的上升，对新抗微生物剂的需求比以往任何时候都更加迫切。由于大肠杆菌素专门针对其他细菌而不伤害人类细胞，因此它为开发新型治疗方法提供了有希望的途径。此外，大肠杆菌素选择性杀死病原细菌的能力可以在食品保鲜和安全中得到利用。通过将大肠杆菌素或其衍生物融入食品产品中，制造商可以潜在地降低由有害细菌引起的食源性疾病的风险。尽管有潜在的好处，但对大肠杆菌素的研究并非没有挑战。在实验室环境中生产大肠杆菌素可能很复杂，其在不同条件下的稳定性需要彻底调查。此外，将大肠杆菌素引入不自然存在的环境中的生态影响必须仔细考虑，以避免意想不到的后果。总之，大肠杆菌素代表了微生物学中的一个引人入胜的主题，说明了细菌之间错综复杂的关系以及利用这些相互作用造福人类的潜力。随着研究的不断展开，大肠杆菌素在生态动态和医学应用中的作用可能会变得越来越重要。理解和掌握大肠杆菌素的影响可能会导致我们在对抗细菌感染和确保食品安全方面取得突破，这是我们与有害微生物持续斗争中的重要一步。