cyanobacterium

简明释义

英[ˌsaɪənəʊbækˈtɪərɪəm]美[ˌsaɪənobækˈtɪriəm;saɪˌænobæk

n. 藻青菌

复 数 c y a n o b a c t e r i a

英英释义

单词用法

同义词

反义词

例句

1.The ultrastructure of the initial strain and mutant FBL of the cyanobacterium Spirulina platensis were investigated with aid of transmission electron microscopy.

利用透射电镜技术观察钝顶螺旋藻出发株和突变株FBL的细胞超微结构。

2.The work shows what an unmodified cyanobacterium is capable of, says Pakrasi.

Pakrasi说，这项工作证明了未经基因改造的蓝杆菌的能力。

3.The organism is a cyanobacterium, also known as blue-green algae, although it is technically not an algae.

这种微生物是一种藻青菌，也称为蓝绿藻，尽管严格来讲它并不是一种藻类。

4.Of methods of extraction of phycocyanin from cyanobacterium spirulina, treatment with anion surfactant of certain concentration affords good yield of high specific content. 98% recovery is available.

研究了从钝顶螺旋藻中提取藻蓝蛋白的方法，用一定浓度的阴离子表面活性剂水溶液处理，得到的藻蓝蛋白纯度最高，一次提取藻蓝蛋白的提取率达到98％。

5.Of methods of extraction of phycocyanin from cyanobacterium spirulina, treatment with anion surfactant of certain concentration affords good yield of high specific content. 98% recovery is available.

研究了从钝顶螺旋藻中提取藻蓝蛋白的方法，用一定浓度的阴离子表面活性剂水溶液处理，得到的藻蓝蛋白纯度最高，一次提取藻蓝蛋白的提取率达到98％。

6.Researchers are exploring how cyanobacterium 蓝藻 can be used for biofuel production.

研究人员正在探索如何利用cyanobacterium 蓝藻进行生物燃料生产。

7.During summer, the growth of cyanobacterium 蓝藻 blooms can create harmful algal blooms in lakes.

夏季，cyanobacterium 蓝藻的生长会导致湖泊中有害藻华的形成。

8.Scientists study cyanobacterium 蓝藻 to understand its role in aquatic ecosystems.

科学家研究cyanobacterium 蓝藻以了解其在水生生态系统中的作用。

9.Some species of cyanobacterium 蓝藻 are known to produce toxins that can harm aquatic life.

某些种类的cyanobacterium 蓝藻已知会产生对水生生物有害的毒素。

10.The presence of cyanobacterium 蓝藻 in the water can indicate poor water quality.

水中存在cyanobacterium 蓝藻可能表明水质较差。

作文

Cyanobacteria, often referred to as blue-green algae, are a group of photosynthetic bacteria that play a crucial role in the ecosystem. These microorganisms are found in a variety of environments, including freshwater, marine, and terrestrial ecosystems. The term cyanobacterium (蓝藻) is derived from their blue-green pigment, which is a result of chlorophyll a and accessory pigments such as phycocyanin and phycoerythrin. This unique coloration allows them to absorb light energy for photosynthesis, making them essential contributors to the Earth's oxygen supply.One of the most fascinating aspects of cyanobacterium (蓝藻) is their ability to perform nitrogen fixation. This process converts atmospheric nitrogen into a form that can be utilized by plants and other organisms. As a result, cyanobacterium (蓝藻) are not only vital for their own survival but also support the growth of various plants, thereby contributing to the overall health of ecosystems. They can thrive in extreme conditions, such as hot springs or arid deserts, showcasing their resilience and adaptability.Historically, cyanobacterium (蓝藻) have been instrumental in shaping the planet's atmosphere. Approximately 2.4 billion years ago, these microorganisms began producing oxygen through photosynthesis, leading to what is known as the Great Oxidation Event. This significant increase in atmospheric oxygen allowed for the evolution of aerobic organisms and fundamentally changed the course of life on Earth.In addition to their ecological importance, cyanobacterium (蓝藻) have practical applications in various fields. For instance, they are used in the production of biofuels, as they can generate biomass that can be converted into renewable energy sources. Furthermore, certain species of cyanobacterium (蓝藻) are rich in nutrients and are harvested for use in dietary supplements and health products.However, the proliferation of cyanobacterium (蓝藻) can also lead to environmental issues. Under favorable conditions, such as nutrient-rich waters, they can reproduce rapidly, resulting in harmful algal blooms. These blooms can produce toxins that pose risks to aquatic life, animals, and even humans. Consequently, monitoring and managing cyanobacterium (蓝藻) populations are essential for maintaining healthy ecosystems and safe water supplies.In conclusion, cyanobacterium (蓝藻) are remarkable microorganisms that have a profound impact on our planet's ecology and history. Their ability to produce oxygen, fix nitrogen, and adapt to various environments underscores their significance in sustaining life. While they offer numerous benefits, it is also crucial to be aware of the potential challenges they pose when their populations become unbalanced. Understanding and studying cyanobacterium (蓝藻) can help us appreciate their role in nature and harness their capabilities for a sustainable future.

蓝藻，通常被称为蓝绿藻，是一类光合细菌，在生态系统中发挥着至关重要的作用。这些微生物存在于各种环境中，包括淡水、海洋和陆地生态系统。术语cyanobacterium（蓝藻）源于它们的蓝绿色色素，这种色素是由于叶绿素a和辅助色素如藻蓝素和藻红素的存在而形成的。这种独特的颜色使它们能够吸收光能进行光合作用，使它们成为地球氧气供应的重要贡献者。cyanobacterium（蓝藻）最令人着迷的方面之一是它们能够进行氮固定。这个过程将大气中的氮转化为植物和其他生物可以利用的形式。因此，cyanobacterium（蓝藻）不仅对自身的生存至关重要，还支持各种植物的生长，从而促进生态系统的整体健康。它们能够在极端条件下生存，例如热泉或干旱沙漠，展示了它们的韧性和适应能力。历史上，cyanobacterium（蓝藻）在塑造地球大气方面发挥了重要作用。大约在24亿年前，这些微生物开始通过光合作用产生氧气，导致了所谓的伟大氧化事件。这一显著的氧气增加使得需氧生物的进化成为可能，并从根本上改变了地球生命的进程。除了生态重要性外，cyanobacterium（蓝藻）在各个领域也有实际应用。例如，它们被用于生物燃料的生产，因为它们可以生成可转化为可再生能源的生物质。此外，某些种类的cyanobacterium（蓝藻）富含营养物质，被收获用于膳食补充剂和健康产品。然而，cyanobacterium（蓝藻）的繁殖也可能导致环境问题。在有利条件下，例如富含营养的水域，它们可以迅速繁殖，导致有害的藻类暴发。这些暴发可能产生毒素，对水生生物、动物甚至人类构成风险。因此，监测和管理cyanobacterium（蓝藻）种群对于维持健康的生态系统和安全的水源至关重要。总之，cyanobacterium（蓝藻）是非凡的微生物，对我们星球的生态和历史产生了深远的影响。它们产生氧气、固定氮和适应各种环境的能力突显了它们在维持生命中的重要性。虽然它们提供了许多好处，但也必须意识到当它们的种群失衡时可能带来的挑战。理解和研究cyanobacterium（蓝藻）可以帮助我们欣赏它们在自然界中的角色，并利用它们的能力实现可持续的未来。