appressoria

简明释义

英[əˈprɛsəriə]美[əˈprɛsəriə]

n. 附着胞（appressorium 的复数）

英英释义

单词用法

同义词

反义词

例句

1.So, Vacuole formation in daughter cells through fusion of vesicles inheritance from mother cell is very important in maturing appressoria and effecting its infection ability.

因而，研究这种依赖小曩泡融合而形成成熟液泡的过程对于稻瘟菌附着孢的形成及其致病性的影响是十分重要的。

2.So, Vacuole formation in daughter cells through fusion of vesicles inheritance from mother cell is very important in maturing appressoria and effecting its infection ability.

因而，研究这种依赖小曩泡融合而形成成熟液泡的过程对于稻瘟菌附着孢的形成及其致病性的影响是十分重要的。

3.The insect uses its appressoria to adhere to surfaces while climbing.

这种昆虫利用其附着器在攀爬时牢牢附着于表面。

4.Some fungi have specialized appressoria that help them penetrate host tissues.

一些真菌具有特殊的附着器，帮助它们穿透宿主组织。

5.Researchers are investigating how appressoria function in various environmental conditions.

研究人员正在调查附着器在各种环境条件下的功能。

6.In the study of plant pathogens, the appressoria are crucial for infection.

在植物病原体的研究中，附着器对感染至关重要。

7.The morphology of appressoria can vary greatly among different species.

不同物种之间的附着器形态差异很大。

作文

In the fascinating world of biology, the term appressoria plays a crucial role in understanding how certain fungi interact with their host plants. These specialized structures are essential for the infection process, allowing the fungi to penetrate plant tissues effectively. To grasp the importance of appressoria, we must first explore their function and the mechanisms behind their formation.Appressoria are typically formed by fungal pathogens, particularly in the class of fungi known as Ascomycetes. When these fungi encounter a suitable host, they undergo a transformation that leads to the development of appressoria. This transformation is not merely a physical change; it involves a complex series of biochemical signals and environmental cues that trigger the fungus to prepare for infection.The primary function of appressoria is to facilitate the attachment and invasion of the fungal hyphae into the plant tissue. The structure of an appressoria is highly specialized, often characterized by a thickened cell wall that provides the necessary strength to withstand the pressure required for penetration. This pressure is generated by the accumulation of turgor pressure within the appressoria, which allows the fungus to force its way through the plant's protective barriers.Moreover, the interaction between appressoria and plant tissues is a prime example of co-evolution. Plants have developed various defense mechanisms to counteract fungal infections, including the production of antimicrobial compounds and physical barriers. In response, fungi have evolved sophisticated strategies to overcome these defenses, making the study of appressoria vital for understanding plant-pathogen interactions.Research into appressoria has significant implications for agriculture and food security. For instance, understanding how these structures function can lead to the development of resistant crop varieties. By identifying the genes responsible for the formation of appressoria, scientists can potentially breed plants that are less susceptible to fungal infections, thereby reducing the need for chemical fungicides and promoting sustainable farming practices.In addition to their agricultural significance, appressoria also serve as a model for studying cellular differentiation and development. The processes involved in the formation of these structures can provide insights into how cells respond to environmental stimuli and undergo changes in function and morphology. This knowledge could extend beyond mycology to other fields, such as developmental biology and medicine, where understanding cellular responses is crucial.In conclusion, the study of appressoria is not only important for understanding fungal biology but also has far-reaching implications for agriculture and our broader understanding of cellular processes. As researchers continue to unravel the complexities of these fascinating structures, we gain deeper insights into the intricate relationships between fungi and plants, paving the way for innovative solutions to some of the challenges facing modern agriculture today.

在生物学的迷人世界中，术语appressoria在理解某些真菌如何与宿主植物相互作用方面发挥着至关重要的作用。这些专门结构对感染过程至关重要，使真菌能够有效地穿透植物组织。要掌握appressoria的重要性，我们首先必须探索它们的功能及其形成机制。Appressoria通常由真菌病原体形成，特别是在子囊菌类中。当这些真菌遇到合适的宿主时，它们会经历一种转变，导致appressoria的发展。这种转变不仅仅是物理变化；它涉及一系列复杂的生化信号和环境线索，这些信号和线索触发真菌准备进行感染。Appressoria的主要功能是促进真菌菌丝对植物组织的附着和侵入。Appressoria的结构高度专业化，通常具有加厚的细胞壁，为承受渗透压提供必要的强度，以便进行穿透。这种压力是通过在appressoria内积累膨胀压力而产生的，从而使真菌能够强行穿透植物的保护屏障。此外，appressoria与植物组织之间的相互作用是共同进化的一个典范。植物已经发展出多种防御机制来抵御真菌感染，包括产生抗微生物化合物和物理屏障。作为回应，真菌已经进化出复杂的策略来克服这些防御，使得研究appressoria对于理解植物-病原体相互作用至关重要。对appressoria的研究对农业和粮食安全具有重要意义。例如，了解这些结构的功能可以导致抗性作物品种的开发。通过识别负责appressoria形成的基因，科学家可以潜在地培育出对真菌感染不太敏感的植物，从而减少对化学杀真菌剂的需求，促进可持续农业实践。除了农业意义外，appressoria还作为研究细胞分化和发育的模型。这些结构的形成过程中所涉及的过程可以为我们提供有关细胞如何响应环境刺激并经历功能和形态变化的见解。这一知识不仅可以扩展到真菌学，还可以应用于其他领域，如发育生物学和医学，在这些领域中，理解细胞反应至关重要。总之，研究appressoria不仅对理解真菌生物学至关重要，而且对农业和我们对细胞过程更广泛的理解具有深远的影响。随着研究人员继续揭示这些迷人结构的复杂性，我们对真菌与植物之间复杂关系的深入理解为解决现代农业面临的一些挑战铺平了道路。