chromoplast

简明释义

英[ˈkrəʊməˌplæst]美[ˈkroʊməˌplæst]

n. 成色素细胞；色素母细胞

英英释义

单词用法

同义词

反义词

例句

1.After storing 150 days, taking a sample from the granulation (rind puffing) fruit, the nucleus, nucleolus, mitochondrion and chromoplast could also be seen.

贮藏150天后从桔水(浮皮)果实取样制片，还能看到细胞核、核仁、线粒体及有色体。

2.After storing 150 days, taking a sample from the granulation (rind puffing) fruit, the nucleus, nucleolus, mitochondrion and chromoplast could also be seen.

贮藏150天后从桔水(浮皮)果实取样制片，还能看到细胞核、核仁、线粒体及有色体。

3.The yellow pigment in bananas comes from the chromoplast 色素体 that develop as they ripen.

香蕉中的黄色颜料来自于随着成熟而发展的色素体。

4.The bright orange color of carrots is due to the presence of chromoplast 色素体 in their cells.

胡萝卜鲜艳的橙色是由于其细胞中存在色素体。

5.In certain flowers, the vibrant colors are attributed to the abundance of chromoplast 色素体 in their petals.

在某些花朵中，鲜艳的颜色归因于其花瓣中丰富的色素体。

6.During the ripening process, tomatoes convert chloroplasts into chromoplast 色素体, changing their color from green to red.

在成熟过程中，番茄将叶绿体转化为色素体，使其颜色从绿色变为红色。

7.Research shows that chromoplast 色素体 play a crucial role in attracting pollinators.

研究表明，色素体在吸引传粉者方面起着至关重要的作用。

作文

In the world of plant biology, understanding the various components that contribute to the beauty and functionality of plants is crucial. One such component is the chromoplast, which plays a significant role in the coloration of fruits and flowers. Chromoplast (色素体) are specialized organelles found in certain plant cells, responsible for synthesizing and storing pigments that give many plants their vivid colors. Unlike chloroplasts, which are primarily involved in photosynthesis and contain chlorophyll, chromoplasts contain carotenoids and other pigments that can range in color from yellow to red. This distinction is important as it highlights the diverse functions that different plastids have within plant cells.The presence of chromoplasts is particularly noticeable in ripe fruits and vibrant flowers. For example, the bright orange hue of a carrot or the deep red of a tomato is largely due to the carotenoids stored in the chromoplasts. These pigments not only attract pollinators and seed dispersers but also serve protective functions against UV radiation and oxidative stress. The transformation of chloroplasts into chromoplasts during the ripening process of fruits is a fascinating phenomenon that reflects the dynamic nature of plant biology.Moreover, chromoplasts are not just limited to fruits and flowers; they can also be found in other parts of the plant, such as roots and leaves, where they contribute to the plant's overall health and aesthetic appeal. The study of chromoplasts is essential for horticulturists and agricultural scientists who aim to enhance the quality and marketability of fruits and vegetables. By understanding how these organelles function and how they can be manipulated, researchers can develop strategies to produce crops with improved color, flavor, and nutritional content.In addition to their biological significance, chromoplasts have implications in food science and nutrition. The pigments produced by chromoplasts are not only responsible for the visual appeal of fruits and vegetables but also play a vital role in human health. Carotenoids, for instance, are known antioxidants that can help reduce the risk of chronic diseases. Consuming a diet rich in colorful fruits and vegetables can provide essential nutrients that promote overall well-being.Furthermore, the exploration of chromoplasts extends beyond traditional botany into the realms of biotechnology and genetic engineering. Scientists are investigating ways to enhance the expression of specific pigments within chromoplasts to create genetically modified organisms (GMOs) that could offer better nutritional profiles or longer shelf lives. This research raises critical questions about sustainability and the future of food production, emphasizing the need for a balanced approach to innovation.In conclusion, chromoplasts are more than just colorful organelles; they are integral to the survival and reproduction of many plant species. Their ability to synthesize and store pigments not only contributes to the aesthetic value of plants but also supports ecological interactions and human health. As we continue to study these fascinating structures, we deepen our appreciation for the complexity of plant life and the interconnectedness of all living organisms. Understanding chromoplasts will undoubtedly pave the way for advancements in agriculture, nutrition, and environmental sustainability, highlighting the importance of plant biology in our daily lives.

在植物生物学的世界中，理解构成植物美丽和功能的各种成分至关重要。其中一个成分是色素体，它在水果和花朵的着色中发挥着重要作用。色素体（chromoplast）是某些植物细胞中发现的专门细胞器，负责合成和储存赋予许多植物鲜艳颜色的色素。与主要参与光合作用并含有叶绿素的叶绿体不同，色素体含有类胡萝卜素和其他色素，其颜色范围从黄色到红色。这种区别很重要，因为它突显了不同质体在植物细胞内的多样功能。色素体的存在在成熟水果和鲜艳花朵中尤为明显。例如，胡萝卜的明亮橙色或西红柿的深红色主要归因于存储在色素体中的类胡萝卜素。这些色素不仅吸引授粉者和种子传播者，还对抗紫外线辐射和氧化应激提供保护功能。在水果成熟过程中，叶绿体转变为色素体的现象是反映植物生物学动态特性的迷人现象。此外，色素体并不仅限于水果和花朵；它们还可以在植物的根和叶等其他部位找到，在这些部位，它们有助于植物的整体健康和美观。对色素体的研究对于园艺师和农业科学家来说至关重要，他们旨在提高水果和蔬菜的质量和市场竞争力。通过了解这些细胞器的功能及其操控方式，研究人员可以制定策略，以生产出颜色、风味和营养成分改进的作物。除了生物学意义外，色素体在食品科学和营养学中也具有重要意义。色素体产生的色素不仅负责水果和蔬菜的视觉吸引力，还在促进人类健康方面发挥着重要作用。例如，类胡萝卜素被认为是抗氧化剂，可以帮助降低慢性疾病的风险。摄入富含色彩的水果和蔬菜的饮食可以提供促进整体健康的必需营养素。此外，色素体的探索超越了传统植物学，进入了生物技术和基因工程的领域。科学家们正在研究增强色素体中特定色素表达的方法，以创造可能提供更好营养成分或更长保质期的转基因生物（GMO）。这项研究引发了关于可持续性和未来食品生产的关键问题，强调了对创新采取平衡方法的必要性。总之，色素体不仅仅是色彩斑斓的细胞器；它们对许多植物物种的生存和繁殖至关重要。它们合成和储存色素的能力不仅有助于植物的美学价值，而且支持生态互动和人类健康。随着我们继续研究这些迷人的结构，我们加深了对植物生命复杂性的欣赏以及所有生物之间的相互联系。理解色素体无疑将为农业、营养和环境可持续性的发展铺平道路，突显植物生物学在我们日常生活中的重要性。