在植物的非生物压力下,硫化和氧化之间交叉交谈的作用在不断扩大
相关实验视频
Updated: Jun 22, 2025

11:01
Monitoring Plant Hormones During Stress Responses
Published on: June 15, 2009
16.6K
Neha Saini1, Luzia V Modolo2, Renu Deswal3
1School of Interdisciplinary and Applied Sciences, Department of Biochemistry, Central University of Haryana, Mahendergarh, Haryana, 123031, India.
Plant physiology and biochemistry : PPB
|June 29, 2024
概括
硫化 (H2S) 和氧化 (NO) 是提高植物抗压能力的关键气体递质. 这篇评论探讨了它们的生物合成,功能和交叉对话,以调节植物对非生物压力的反应.
科学领域:
- 植物生理学 植物生理学
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 无生物应激 (盐,干旱,温度) 对植物生长和发育产生负面影响.
- 压力条件增加了活性氧物种,降低了抗氧化酶活性,降低了植物的耐受性.
- 硫化 (H2S) 和氧化 (NO) 等气体传递物在植物生理过程中起着至关重要的作用.
研究的目的:
- 审查植物中H2S和NO的生物合成和功能.
- 探索在非生物压力下H2S和NO之间的相互作用和交叉对话.
- 了解H2S和NO如何调节基因表达以应对压力.
主要方法:
- 文献综述侧重于H2S和NO生物合成的酶和非酶途径.
- 通过H2S和NO介导的翻译后修饰 (透硫,化) 的分析.
- 检查H2S和NO在调节植物生化和信号通路中的作用.
主要成果:
- 通过不同的途径合成H2S和NO,并通过关键的翻译后修饰进行介导.
- 这些气体递质调节关键的应激反应机制,包括ROS稳态,抗氧化系统和离子运输.
- 有证据表明,H2S和NO信号通路之间存在显著的交叉交谈.
结论:
- H2S和NO是重要的信号分子,增强了植物的非生物应激耐受性.
- 了解它们的生物合成,功能和相互作用对于提高作物弹性至关重要.
- 对它们的监管机制的进一步研究可以指导农业应用.
相关概念视频
Responses to Drought and Flooding
10.6K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.6K
Responses to Salt Stress
13.1K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
13.1K
Responses to Heat and Cold Stress
13.4K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.4K
Regulation of Transpiration by Stomata
28.2K
During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
28.2K
Key Elements for Plant Nutrition
18.7K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
18.7K
The Roles of Bacteria and Fungi in Plant Nutrition
35.2K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
35.2K

