anaerobic bacteria
简明释义
1. 嫌气细菌; 2. 聪氧细菌; 3. 聪氧菌;
英英释义
Anaerobic bacteria are microorganisms that do not require oxygen for growth and may even be harmed by its presence. | 厌氧细菌是指不需要氧气生长的微生物,甚至可能会受到氧气存在的伤害。 |
例句
1.Some anaerobic bacteria 厌氧细菌 produce methane gas as a byproduct of their metabolism.
一些厌氧细菌 anaerobic bacteria 在其代谢过程中产生甲烷气体作为副产品。
2.Certain types of anaerobic bacteria 厌氧细菌 are responsible for the fermentation process in yogurt production.
某些类型的厌氧细菌 anaerobic bacteria 负责酸奶生产中的发酵过程。
3.In wound infections, anaerobic bacteria 厌氧细菌 can thrive in low-oxygen environments.
在伤口感染中,厌氧细菌 anaerobic bacteria 可以在低氧环境中繁殖。
4.The presence of anaerobic bacteria 厌氧细菌 in soil is crucial for nutrient cycling.
土壤中存在的厌氧细菌 anaerobic bacteria 对养分循环至关重要。
5.In the digestive system, anaerobic bacteria 厌氧细菌 help break down food particles.
在消化系统中,厌氧细菌 anaerobic bacteria 帮助分解食物颗粒。
作文
Anaerobic bacteria are microorganisms that thrive in environments devoid of oxygen. These bacteria play a crucial role in various ecological processes, including decomposition and nutrient cycling. Unlike aerobic bacteria, which require oxygen to survive, anaerobic bacteria 厌氧细菌 have adapted to live in conditions where oxygen is absent or present in very low concentrations. This unique ability allows them to inhabit diverse environments such as deep soil layers, underwater sediments, and even the human gastrointestinal tract.The metabolic processes of anaerobic bacteria 厌氧细菌 are fascinating and complex. They can obtain energy through fermentation or anaerobic respiration, using substances like sulfate, nitrate, or carbon dioxide as electron acceptors instead of oxygen. For instance, in the human gut, certain anaerobic bacteria 厌氧细菌 ferment dietary fibers, producing short-chain fatty acids that are beneficial for gut health and overall metabolism.In addition to their ecological importance, anaerobic bacteria 厌氧细菌 have significant implications in various industries. In agriculture, they are essential for composting processes, breaking down organic matter into rich soil amendments. In wastewater treatment, anaerobic bacteria 厌氧细菌 help in the digestion of sludge, reducing waste volume and producing biogas, a renewable energy source. Furthermore, their role in bioremediation is noteworthy, as some anaerobic bacteria 厌氧细菌 can degrade environmental pollutants, contributing to the detoxification of contaminated sites.However, not all anaerobic bacteria 厌氧细菌 are beneficial. Some species can cause serious infections in humans, particularly when they enter sterile areas of the body, such as during surgeries or injuries. For example, Clostridium species, a group of pathogenic anaerobic bacteria 厌氧细菌, can lead to conditions like tetanus and botulism. Therefore, understanding the dual nature of anaerobic bacteria 厌氧细菌—both beneficial and harmful—is critical for medical and environmental microbiology.Research on anaerobic bacteria 厌氧细菌 continues to evolve, revealing new insights into their genetic makeup and metabolic pathways. Advances in molecular techniques have allowed scientists to study these microorganisms in greater detail, uncovering their roles in health, disease, and ecosystems. For instance, the human microbiome project has highlighted the significance of anaerobic bacteria 厌氧细菌 in maintaining gut health and influencing immune responses.In conclusion, anaerobic bacteria 厌氧细菌 are vital components of our world, contributing to ecological balance and human health. Their ability to survive without oxygen enables them to occupy niches that other organisms cannot, making them indispensable in various biological and industrial processes. As we continue to explore the complexities of these microorganisms, it is essential to recognize both their beneficial roles and potential threats to human health. Understanding anaerobic bacteria 厌氧细菌 will undoubtedly lead to advancements in medicine, environmental science, and biotechnology.
厌氧细菌是生活在缺乏氧气环境中的微生物。这些细菌在分解和养分循环等各种生态过程中发挥着至关重要的作用。与需要氧气生存的好氧细菌不同,厌氧细菌 anaerobic bacteria已经适应了在氧气缺乏或浓度极低的条件下生存。这种独特的能力使它们能够栖息在深土层、水下沉积物,甚至是人类肠道等多种环境中。厌氧细菌 anaerobic bacteria的代谢过程既迷人又复杂。它们可以通过发酵或厌氧呼吸获取能量,使用硫酸盐、硝酸盐或二氧化碳等物质作为电子受体,而不是氧气。例如,在人类肠道中,某些厌氧细菌 anaerobic bacteria对膳食纤维进行发酵,产生对肠道健康和整体新陈代谢有益的短链脂肪酸。除了生态重要性外,厌氧细菌 anaerobic bacteria在各个行业中也具有重要意义。在农业中,它们是堆肥过程中不可或缺的一部分,将有机物分解成丰富的土壤改良剂。在废水处理过程中,厌氧细菌 anaerobic bacteria帮助消化污泥,减少废物体积并产生可再生能源——沼气。此外,它们在生物修复中的作用也值得注意,因为一些厌氧细菌 anaerobic bacteria能够降解环境污染物,有助于污染场地的去毒化。然而,并非所有的厌氧细菌 anaerobic bacteria都是有益的。一些物种可能在人体内引起严重感染,特别是在它们进入身体无菌区域时,例如在手术或受伤期间。例如,梭状芽胞杆菌(Clostridium species)是一组致病性的厌氧细菌 anaerobic bacteria,可能导致破伤风和肉毒中毒等疾病。因此,理解厌氧细菌 anaerobic bacteria的双重性质——既有益又有害——对于医学和环境微生物学至关重要。关于厌氧细菌 anaerobic bacteria的研究不断发展,揭示了它们的基因构成和代谢途径的新见解。分子技术的进步使科学家能够更详细地研究这些微生物,揭示它们在健康、疾病和生态系统中的作用。例如,人类微生物组计划强调了厌氧细菌 anaerobic bacteria在维持肠道健康和影响免疫反应中的重要性。总之,厌氧细菌 anaerobic bacteria是我们世界的重要组成部分,对生态平衡和人类健康做出了贡献。它们在缺氧条件下生存的能力使它们能够占据其他生物无法生存的生态位,使它们在各种生物和工业过程中不可或缺。随着我们继续探索这些微生物的复杂性,必须认识到它们的有益作用和对人类健康的潜在威胁。理解厌氧细菌 anaerobic bacteria无疑将推动医学、环境科学和生物技术的发展。
相关单词