microaerophilic

简明释义

[ˌmaɪkroʊˌɛrɵˈfɪlɪk][ˌmaɪkroʊˌɛrɵˈfɪlɪk]

adj. 微量需氧的

英英释义

Referring to organisms that require low levels of oxygen for growth and survival, typically between 2% and 10%, as opposed to atmospheric levels of approximately 21%.

指需要低氧水平(通常在2%到10%之间)以生长和生存的生物,远低于大气中的约21%的氧气水平。

单词用法

同义词

microaerobic

微需氧的

Microaerophilic bacteria thrive in environments with low levels of oxygen.

微需氧细菌在低氧环境中生存良好。

facultative anaerobic

兼性厌氧的

Facultative anaerobic organisms can adapt to both aerobic and anaerobic conditions.

兼性厌氧生物可以适应有氧和厌氧条件。

low oxygen tolerant

低氧耐受的

Low oxygen tolerant species are important in certain ecological niches.

低氧耐受物种在某些生态位中非常重要。

反义词

aerobic

需氧的

Aerobic bacteria require oxygen to survive.

需氧细菌需要氧气才能生存。

anaerobic

厌氧的

Anaerobic digestion occurs in the absence of oxygen.

厌氧消化发生在缺乏氧气的环境中。

例句

1.Aerobic, anaerobic, microaerophilic cultures were performed for bile and gallbladder mucosa.

胆汁和胆囊黏膜标本接种于需氧、厌氧和微需氧培养基培养。

2.Helicobacter pylori is a spiral Gram's negative bacterium, living in microaerophilic environment.

幽门杆菌是一只革兰氏阴性螺旋菌,生活在微需氧的环境下。

3.Helicobacter pylori is a spiral Gram's negative bacterium, living in microaerophilic environment.

幽门杆菌是一只革兰氏阴性螺旋菌,生活在微需氧的环境下。

4.Researchers are studying microaerophilic 微需氧的 bacteria for their potential use in bioremediation.

研究人员正在研究微需氧的细菌,以探讨它们在生物修复中的潜在应用。

5.The growth of microaerophilic 微需氧的 bacteria can be inhibited by high oxygen concentrations.

高氧浓度可以抑制微需氧的细菌的生长。

6.In laboratory settings, microaerophilic 微需氧的 conditions are often created to culture specific bacteria.

在实验室环境中,通常会创造微需氧的条件来培养特定的细菌。

7.The bacterium Helicobacter pylori is a well-known microaerophilic 微需氧的 organism that can survive in the human stomach.

细菌幽门螺杆菌是一种众所周知的微需氧的生物,能够在人的胃中存活。

8.The fermentation process of some foods relies on microaerophilic 微需氧的 microorganisms to develop unique flavors.

某些食品的发酵过程依赖于微需氧的微生物来发展独特的风味。

作文

Microorganisms are fascinating entities that play a crucial role in our ecosystem. Among these microorganisms, there exists a unique group known as microaerophilic organisms. These organisms thrive in environments where the concentration of oxygen is lower than that of atmospheric levels but higher than anaerobic conditions. The term microaerophilic refers to their specific requirement for oxygen to survive, albeit in minimal amounts. This characteristic makes them distinct from both aerobic and anaerobic organisms. One of the most well-known examples of microaerophilic bacteria is Helicobacter pylori, which is often found in the stomachs of humans. This particular bacterium has garnered significant attention due to its association with various gastrointestinal diseases, including peptic ulcers and gastric cancer. The ability of microaerophilic organisms like H. pylori to survive in the harsh acidic environment of the stomach is a testament to their adaptability and resilience.The study of microaerophilic organisms is essential in various fields, including medicine, environmental science, and biotechnology. In medicine, understanding how microaerophilic bacteria function can lead to better treatment strategies for infections they cause. For instance, since these bacteria require specific conditions to thrive, targeted therapies can be developed to disrupt their growth without harming beneficial bacteria in the gut.In environmental science, microaerophilic organisms play a vital role in nutrient cycling and organic matter decomposition. They are often involved in processes such as denitrification, where they help convert nitrate into nitrogen gas, thus contributing to the nitrogen cycle. This process is crucial for maintaining soil fertility and regulating atmospheric nitrogen levels.Moreover, in biotechnology, microaerophilic bacteria are utilized in various applications, including fermentation processes. They are used in the production of certain foods and beverages, such as yogurt and beer, where their unique metabolic pathways contribute to the flavor and texture of the final product. The ability to harness the properties of microaerophilic organisms for industrial purposes showcases their importance beyond just ecological roles.Despite their significance, microaerophilic organisms can also pose challenges. Their presence in clinical settings can complicate diagnoses and treatments, as standard laboratory techniques may not effectively culture these bacteria. This underscores the need for specialized methods to identify and study microaerophilic organisms in various environments.In conclusion, microaerophilic organisms are an intriguing aspect of microbiology that warrants further research and exploration. Their unique oxygen requirements and diverse roles in health, environment, and industry highlight the complexity of microbial life. As we continue to study these organisms, we will undoubtedly uncover more about their capabilities and contributions to our world. Understanding microaerophilic bacteria not only enhances our knowledge of microbiology but also opens new avenues for scientific advancements and applications.

微生物是迷人的实体,在我们的生态系统中发挥着至关重要的作用。在这些微生物中,存在一组独特的生物,称为微需氧生物。这些生物在氧气浓度低于大气水平但高于厌氧条件的环境中茁壮成长。术语微需氧指的是它们生存所需的氧气特定要求,尽管只有极少量。这一特性使它们与好氧和厌氧生物有明显区别。最著名的微需氧细菌之一是幽门螺旋杆菌,它通常存在于人类的胃中。这种细菌因与多种胃肠疾病(包括消化性溃疡和胃癌)的关联而受到广泛关注。像H. pylori这样的微需氧生物能够在胃部这种严酷的酸性环境中生存,证明了它们的适应能力和韧性。对微需氧生物的研究在医学、环境科学和生物技术等多个领域中至关重要。在医学上,了解微需氧细菌的功能可以为治疗它们引起的感染提供更好的策略。例如,由于这些细菌需要特定的生存条件,因此可以开发针对性的疗法来破坏它们的生长,而不影响肠道中的有益细菌。在环境科学中,微需氧生物在养分循环和有机物分解中发挥着重要作用。它们通常参与脱氮等过程,帮助将硝酸盐转化为氮气,从而促进氮循环。这个过程对维持土壤肥力和调节大气氮水平至关重要。此外,在生物技术中,微需氧细菌被用于各种应用,包括发酵过程。它们用于某些食品和饮料的生产,例如酸奶和啤酒,其中它们独特的代谢途径有助于最终产品的风味和质地。利用微需氧生物的特性进行工业用途展示了它们在生态角色之外的重要性。尽管它们具有重要意义,微需氧生物也可能带来挑战。它们在临床环境中的存在可能会使诊断和治疗变得复杂,因为标准实验室技术可能无法有效培养这些细菌。这突显了需要专门的方法来识别和研究各种环境中的微需氧生物。总之,微需氧生物是微生物学中一个引人入胜的方面,值得进一步研究和探索。它们独特的氧气需求以及在健康、环境和工业中的多样角色凸显了微生物生命的复杂性。随着我们继续研究这些生物,我们无疑会发现更多关于它们能力和对我们世界贡献的知识。理解微需氧细菌不仅增强了我们对微生物学的认识,也为科学进步和应用打开了新的途径。