水果光合作用:更多关于何处,如何和为什么的信息
Andreia Garrido1, Artur Conde1, João Serôdio2
1Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
Plants (Basel, Switzerland)
|July 14, 2023
概括
水果光合作用为水果和种子发育提供必要的能量和氧气. 了解这一过程对于优化农业作物产量和质量至关重要.
科学领域:
- 植物生理学 植物生理学
- 生物化学 生物化学
- 农业科学 农业科学
背景情况:
- 光合作用通常发生在叶子中,但其他植物器官,包括水果,也可以进行光合作用.
- 在非叶子器官,特别是水果中,光合作用的作用和调节仍然不完全理解.
- 水果的光合作用受解剖学,生理学和环境因素的影响.
研究的目的:
- 审查和系统化有关水果光合作用现有知识.
- 探索水果中的光合作用过程的功能和生物学意义.
- 解决水果光合作用活动的生态驱动因素和发育调节问题.
主要方法:
- 文献综述和现有关于水果光合作用研究的综合.
- 分析影响水果光合作用能力的因素,包括叶绿素含量,口腔密度和皮层厚度.
- 检查水果光合作用对水果和种子发育的生物化学贡献.
主要成果:
- 果实具有光合作用能力,特别是在早期发育过程中,提供ATP,NADPH,O2和碳骨.
- 光合作用支持果实生长和种子活力的必需代谢物 (例如脂质,糖,黄类) 的生物合成.
- 水果的光合作用可以通过提供氧气来防止内部组织和种子的缺氧.
结论:
- 水果光合作用在当地能源和代谢物生产中起着至关重要的作用,支持水果和种子的发育.
- 了解水果光合作用为改善作物管理和育种策略提供了潜力.
- 操纵水果光合作用可以提高水果的质量,产量和营养价值.
相关概念视频
The Z-Scheme of Electron Transport in Photosynthesis
10.3K
The light reactions of photosynthesis assume a linear flow of electrons from water to NADP+. During this process, light energy drives the splitting of water molecules to produce oxygen. However, oxidation of water molecules is a thermodynamically unfavorable reaction and requires a strong oxidizing agent. This is accomplished by the first product of light reactions: oxidized P680 (or P680+), the most powerful oxidizing agent known in biology. The oxidized P680 that acquires an electron from the...
10.3K
What is Photosynthesis?
99.8K
Photosynthesis is a multipart, biochemical process that occurs in plants as well as in some bacteria. It captures carbon dioxide and solar energy to produce glucose. Glucose stores chemical energy in the form of carbohydrates. The overall biochemical formula of photosynthesis is 6 CO2 + 6 H2O + Light energy → C6H12O6 + 6 O2. Photosynthesis releases oxygen into the atmosphere and is largely responsible for maintaining the Earth’s atmospheric oxygen content.
99.8K
Photosystems
4.9K
Photosystems are multiprotein complexes that form the functional units of photosynthesis in plants, algae, and cyanobacteria. They are found embedded in the membrane of tiny sac-like structures called thylakoids placed inside the chloroplast.
Functioning of Photosystems
Photosystems contain many pigment molecules, such as chlorophylls and carotenoids, arranged in a particular organization across two domains — the antenna complex and the reaction center. The main aim of the pigment...
Functioning of Photosystems
Photosystems contain many pigment molecules, such as chlorophylls and carotenoids, arranged in a particular organization across two domains — the antenna complex and the reaction center. The main aim of the pigment...
4.9K
Light as Energy
79.3K
The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
Photons
A photon is a discrete electromagnetic particle or bundle of energy. Photons are characterized by their frequency, wavelength, and amplitude, similar to the properties of a wave. Waves with higher frequencies transmit more energy and have shorter wavelengths than longer wavelengths that transmit...
Photons
A photon is a discrete electromagnetic particle or bundle of energy. Photons are characterized by their frequency, wavelength, and amplitude, similar to the properties of a wave. Waves with higher frequencies transmit more energy and have shorter wavelengths than longer wavelengths that transmit...
79.3K
Oxygenic Photosynthesis
47
Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate...
47
Photosystem II
71.3K
The multi-protein complex photosystem II (PS II) harvests photons and transfers their energy through its bound pigments to its reaction center, and ultimately to photosystem I (PSI) through the electron transport chain. The pigments responsible for caputirng the light energy in photosystems include chlorophyll a, chlorophyll b, and carotenoids.
The pigment molecules are arranged across two photosystem domains — the antenna complex and the reaction center. The main aim of the pigment...
The pigment molecules are arranged across two photosystem domains — the antenna complex and the reaction center. The main aim of the pigment...
71.3K


