oomycetes

简明释义

英[ˌoʊəˈmaɪsiːts]美[ˌoʊəˈmaɪsiːts]

n. [微] 卵菌（一类真菌）；卵菌纲

英英释义

单词用法

同义词

反义词

例句

1.Oomycetes in Ningxia were investigated and classified. It was found that there were 67 species, hosting in 176 plants, respectively, which belonged to 1 phylum, 1 class, 4 families, 10 genera.

对隶属于藻物界卵菌门卵菌纲的宁夏卵菌进行了初步整理，共发现卵菌有1门1纲4目6科10属67种，分别寄生于176种植物上，引起植物病害或腐生于土壤中。

2.Oomycetes in Ningxia were investigated and classified. It was found that there were 67 species, hosting in 176 plants, respectively, which belonged to 1 phylum, 1 class, 4 families, 10 genera.

对隶属于藻物界卵菌门卵菌纲的宁夏卵菌进行了初步整理，共发现卵菌有1门1纲4目6科10属67种，分别寄生于176种植物上，引起植物病害或腐生于土壤中。

3.Avr genes have been cloned from a variety of pathogens including fungi, bacteria, viruses and oomycetes.

无毒基因已在多种植物病原物，包括真菌、细菌、病毒和卵菌等中得到克隆。

4.The study of oomycetes has revealed important insights into plant diseases.

对卵菌的研究揭示了植物疾病的重要见解。

5.Farmers need to be aware of oomycetes that can affect their crops.

农民需要注意可能影响他们作物的卵菌。

6.Researchers are investigating the life cycle of oomycetes to develop better control methods.

研究人员正在调查卵菌的生命周期，以开发更好的控制方法。

7.Certain species of oomycetes are known to cause root rot in plants.

某些种类的卵菌已知会导致植物根腐病。

8.The aquatic environment is a common habitat for many oomycetes species.

水生环境是许多卵菌物种的常见栖息地。

作文

Oomycetes, also known as water molds, are a fascinating group of organisms that play significant roles in aquatic ecosystems and plant pathology. These eukaryotic microorganisms were once classified as fungi due to their similar characteristics; however, recent genetic studies have revealed that they belong to a separate kingdom, distinct from true fungi. The term oomycetes (卵菌) is derived from the Greek word 'oos,' meaning egg, and 'mykes,' meaning fungus, which reflects their reproductive structures that resemble eggs. One of the most well-known members of the oomycetes (卵菌) is Phytophthora infestans, the pathogen responsible for the Irish Potato Famine in the 1840s. This devastating disease caused massive crop failures and led to widespread starvation. The impact of oomycetes (卵菌) on agriculture is profound, as they can cause diseases in various crops, including tomatoes, soybeans, and many ornamental plants. Their ability to thrive in moist environments makes them particularly challenging to manage in farming practices. The life cycle of oomycetes (卵菌) is complex and involves both sexual and asexual reproduction. Asexual reproduction occurs through the production of motile zoospores, which can swim in water and infect host plants. On the other hand, sexual reproduction leads to the formation of oospores, which are thick-walled and can survive adverse conditions. This resilience allows oomycetes (卵菌) to persist in soil and water for extended periods, making them difficult to eradicate once established. Research on oomycetes (卵菌) is crucial not only for understanding plant diseases but also for exploring their ecological roles. In aquatic ecosystems, some oomycetes (卵菌) contribute to nutrient cycling by decomposing organic matter. They break down dead plant material, releasing essential nutrients back into the environment, which supports the growth of other organisms. This process highlights the importance of oomycetes (卵菌) in maintaining the health of aquatic habitats. In recent years, scientists have been investigating the potential use of oomycetes (卵菌) in biocontrol strategies. Some species have shown promise in controlling harmful algal blooms and other pathogens in aquatic systems. By harnessing the natural abilities of oomycetes (卵菌), researchers aim to develop sustainable methods for managing environmental issues related to water quality and plant health. In conclusion, oomycetes (卵菌) are a unique and essential group of organisms that impact both agriculture and ecosystems. Their dual role as pathogens and decomposers underscores their significance in our world. As research continues to evolve, understanding the biology and ecology of oomycetes (卵菌) will be vital for developing effective management strategies and appreciating their contributions to biodiversity and ecosystem functioning. Through education and awareness, we can better understand these remarkable organisms and their place in the natural world.

卵菌，也被称为水霉，是一类迷人的生物群体，在水生生态系统和植物病理学中发挥着重要作用。这些真核微生物曾因其相似特征而被归类为真菌；然而，最近的遗传研究表明，它们属于一个独立的王国，与真正的真菌不同。术语oomycetes（卵菌）源自希腊词'oos'，意为卵，'mykes'，意为真菌，这反映了它们的生殖结构类似于卵。 oomycetes（卵菌）中最著名的成员之一是引起1840年代爱尔兰马铃薯饥荒的病原体Phytophthora infestans。这种毁灭性的疾病导致大规模的作物失败，并导致广泛的饥荒。oomycetes（卵菌）对农业的影响深远，因为它们会在各种作物中引起疾病，包括番茄、大豆和许多观赏植物。它们在潮湿环境中的生存能力使得在农业实践中管理它们特别具有挑战性。 oomycetes（卵菌）的生命周期复杂，涉及有性和无性繁殖。无性繁殖通过产生游动的孢子进行，这些孢子可以在水中游动并感染宿主植物。另一方面，有性繁殖导致形成厚壁的卵孢子，这些卵孢子能在恶劣条件下生存。这种韧性使得oomycetes（卵菌）能够在土壤和水中持续很长时间，一旦建立就难以根除。 对oomycetes（卵菌）的研究不仅对理解植物疾病至关重要，还对探索它们的生态角色至关重要。在水生生态系统中，一些oomycetes（卵菌）通过分解有机物质来促进养分循环。它们分解死去的植物材料，将必需的养分释放回环境中，支持其他生物的生长。这个过程突显了oomycetes（卵菌）在维持水生栖息地健康方面的重要性。 近年来，科学家们一直在研究oomycetes（卵菌）在生物防治策略中的潜在应用。一些物种在控制有害藻类繁殖和水生系统中其他病原体方面显示出前景。通过利用oomycetes（卵菌）的自然能力，研究人员旨在开发可持续的方法来管理与水质和植物健康相关的环境问题。 总之，oomycetes（卵菌）是一类独特且重要的生物群体，对农业和生态系统产生影响。它们作为病原体和分解者的双重角色凸显了它们在我们世界中的重要性。随着研究的不断发展，了解oomycetes（卵菌）的生物学和生态学将对制定有效的管理策略和欣赏它们对生物多样性和生态功能的贡献至关重要。通过教育和意识，我们可以更好地理解这些非凡的生物及其在自然界中的位置。