sporopollenin

简明释义

[ˌspɔːrəʊˈpɒlɪnɪn][ˌspoʊrəˈpɑːlənɪn]

n. [生化] 孢子花粉素,[生化] 孢粉素

英英释义

Sporopollenin is a complex biopolymer that forms the outer layer of spores and pollen grains, providing structural support and protection against environmental stress.

孢粉素是一种复杂的生物聚合物,形成孢子和花粉粒的外层,为其提供结构支持和保护,以抵御环境压力。

单词用法

sporopollenin layer

sporopollenin

sporopollenin composition

sporopollenin成分

sporopollenin structure

sporopollenin结构

resistant to degradation

抗降解

found in pollen grains

存在于花粉粒中

important for plant reproduction

对植物繁殖重要

同义词

pollen coat

花粉外层

The pollen coat provides protection to the genetic material during harsh environmental conditions.

花粉外层在恶劣环境条件下为遗传物质提供保护。

spore wall

孢子壁

The spore wall is essential for the survival of spores in extreme environments.

孢子壁对于孢子在极端环境中的生存至关重要。

反义词

decomposed organic matter

分解有机物

Decomposed organic matter provides nutrients to the soil.

分解的有机物为土壤提供养分。

fragile materials

脆弱材料

Fragile materials can easily break down under environmental stress.

脆弱材料在环境压力下容易崩溃。

例句

1.The events of sporopollenin behavior during the process of tapetal disintegration and their relations to pollen development are discussed.

对绒毡层解体过程孢粉素行为的有关事态及其与花粉发育的关系等问题进行了讨论。

2.The events of sporopollenin behavior during the process of tapetal disintegration and their relations to pollen development are discussed.

对绒毡层解体过程孢粉素行为的有关事态及其与花粉发育的关系等问题进行了讨论。

3.Research has shown that sporopollenin can withstand extreme conditions, making it a subject of interest in studies of ancient plant life.

研究表明,sporopollenin(孢子多糖)能够抵御极端条件,这使其成为古代植物生命研究中的一个热门课题。

4.The unique structure of sporopollenin makes it resistant to degradation by microorganisms.

由于sporopollenin(孢子多糖)的独特结构,使其对微生物降解具有抗性。

5.In the field of biotechnology, sporopollenin is being explored for its potential use in drug delivery systems.

在生物技术领域,sporopollenin(孢子多糖)被探索用于药物递送系统的潜在应用。

6.The durability of sporopollenin allows scientists to extract and analyze genetic material from fossilized pollen.

由于sporopollenin(孢子多糖)的耐久性,科学家能够从化石化的花粉中提取并分析遗传物质。

7.The outer layer of pollen grains is primarily composed of sporopollenin, which provides protection against environmental factors.

花粉粒的外层主要由sporopollenin(孢子多糖)组成,这为其提供了对环境因素的保护。

作文

In the study of botany, one of the most intriguing substances is sporopollenin, a biopolymer that plays a crucial role in the life cycle of plants. This complex organic compound is found in the outer walls of spores and pollen grains, providing them with exceptional resistance to environmental factors. The significance of sporopollenin cannot be overstated, as it contributes not only to the survival of plant reproductive cells but also to the evolution of terrestrial plants.Sporopollenin is known for its remarkable durability, which allows spores and pollen to withstand extreme conditions, such as high temperatures, desiccation, and even chemical degradation. This resilience is essential for the dispersal of plant species across various habitats. For instance, when pollen grains are released into the air, they can travel vast distances before landing on a compatible stigma for fertilization. The protective properties of sporopollenin ensure that these grains remain viable during their journey, increasing the chances of successful reproduction.Moreover, the structure of sporopollenin is fascinating. It is composed of long-chain fatty acids and phenolic compounds, which contribute to its strength and stability. Researchers have been studying the molecular composition of sporopollenin to understand its unique characteristics better. This research has implications for various fields, including materials science, where scientists are looking at how to mimic sporopollenin to create new, durable materials.The evolutionary significance of sporopollenin is also noteworthy. The emergence of this compound marked a pivotal moment in plant evolution, allowing plants to colonize land effectively. Before the advent of sporopollenin, plant reproductive cells were vulnerable to environmental stressors, limiting their ability to thrive outside aquatic environments. With the development of sporopollenin, plants could produce resilient spores and pollen that could survive in diverse terrestrial ecosystems.Additionally, the study of sporopollenin extends beyond botany; it has applications in paleobotany, archaeology, and even forensic science. The presence of sporopollenin in sediment layers can provide valuable information about past climates and vegetation, helping scientists reconstruct ancient ecosystems. In archaeology, sporopollenin analysis can aid in understanding human interactions with plants and the environment over time.In conclusion, sporopollenin is a remarkable biopolymer that plays a vital role in the reproductive success of plants. Its unique properties not only ensure the survival of spores and pollen but also have far-reaching implications in various scientific fields. Understanding sporopollenin enhances our appreciation of plant biology and the intricate relationships between organisms and their environments. As research continues, the potential applications of sporopollenin may lead to innovations that benefit both science and industry, highlighting the importance of this fascinating compound in our world.

在植物学研究中,最引人入胜的物质之一是sporopollenin,一种在植物生命周期中发挥关键作用的生物聚合物。这种复杂的有机化合物存在于孢子和花粉粒的外壁中,为它们提供了对环境因素的卓越抵抗力。sporopollenin的重要性不容小觑,因为它不仅有助于植物生殖细胞的生存,还促进了陆地植物的进化。sporopollenin以其显著的耐久性而闻名,这使得孢子和花粉能够承受极端条件,如高温、干燥甚至化学降解。这种韧性对于植物物种在各种栖息地中的传播至关重要。例如,当花粉粒释放到空气中时,它们可以在广阔的距离内旅行,然后落在兼容的柱头上进行授粉。sporopollenin的保护特性确保这些花粉在旅途中保持活力,从而增加成功繁殖的机会。此外,sporopollenin的结构也令人着迷。它由长链脂肪酸和酚类化合物组成,这些成分有助于其强度和稳定性。研究人员一直在研究sporopollenin的分子组成,以更好地理解其独特特性。这项研究对多个领域产生了影响,包括材料科学,科学家们正在探索如何模仿sporopollenin来创造新的耐用材料。sporopollenin的进化意义也值得注意。这种化合物的出现标志着植物进化中的一个重要时刻,使植物能够有效地殖民陆地。在sporopollenin出现之前,植物生殖细胞容易受到环境压力的影响,限制了它们在水生环境之外的生存能力。随着sporopollenin的发展,植物能够产生耐受性强的孢子和花粉,能够在多样的陆地生态系统中生存。此外,sporopollenin的研究不仅限于植物学;它在古植物学、考古学甚至法医学中都有应用。沉积层中sporopollenin的存在可以提供有关过去气候和植被的宝贵信息,帮助科学家重建古代生态系统。在考古学中,sporopollenin分析可以帮助了解人类与植物和环境之间的相互作用。总之,sporopollenin是一种出色的生物聚合物,在植物的繁殖成功中发挥着至关重要的作用。它的独特性质不仅确保了孢子和花粉的生存,还有助于各个科学领域的广泛应用。理解sporopollenin增强了我们对植物生物学的欣赏,以及生物体与其环境之间复杂关系的理解。随着研究的继续,sporopollenin的潜在应用可能会导致对科学和工业有益的创新,突显了这一迷人生物化合物在我们世界中的重要性。