通过转录相关的代谢网络,转胺调节大豆的阴影应激适应
Nishbah Mughal1, Xiaoling Wu2, Yuhong He2
1College of Life Science, Sichuan Agricultural University, Ya'an, 625014, China; Sichuan Engineering Research Center for Crop Strip Intercropping System/Key Laboratory of Crop Ecophysiology and Farming System in Southwest, Ministry of Agriculture and Rural Affairs, Chengdu 611130, China.
Plant physiology and biochemistry : PPB
|March 5, 2025
概括
转胺 (tZ) 通过调节关键代谢和信号通路,增强大豆对阴影压力的弹性. 这项研究揭示了在低光条件下提高作物产量的分子见解.
科学领域:
- 植物科学 植物科学
- 分子生物学分子生物学
- 农业科学 农业科学
背景情况:
- 阴影压力显著影响大豆生长,光合作用和产量.
- 细胞因素,就像trans-zeatin (tZ) 一样,在植物发育和应激反应中起着至关重要的作用.
- 了解阴影耐受性分子机制对于作物改进至关重要.
研究的目的:
- 调查转酸 (tZ) 在调解大豆对阴影压力的反应中的分子机制.
- 通过使用多组学,阐明涉及到大豆适应低光条件的监管网络.
- 为了确定由tZ在阴影压力下影响的关键途径和基因.
主要方法:
- 综合性多种omics方法结合了代谢学和转录学.
- 对阴影敏感和耐阴影的大豆复合杂交线 (RILs) 的分析.
- 在不同的光照下评估生长,生物质,光合作用效率和产量.
主要成果:
- 超酸 (tZ) 显著改善了大豆生长,生物质,光合作用效率和在阴影压力下的产量.
- 阴影压力改变了关键的代谢途径,包括烯胺,黄胺和氨酸生物合成.
- tZ治疗通过调节这些通路和激素信号,细胞壁生物发生和防御反应来增强适应性反应.
结论:
- 转胺 (tZ) 在大豆适应阴影压力的过程中,在分子层面上起着至关重要的作用.
- 该研究确定了在阴影压力下由tZ调节的关键代谢途径和转录因子.
- 研究结果为提高大豆对低光强度的适应性和优化农业实践提供了见解.
相关概念视频
Transcription
146.4K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
146.4K
Regulation of Transpiration by Stomata
27.7K
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.
27.7K
Adaptations that Reduce Water Loss
25.1K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.1K
Responses to Heat and Cold Stress
13.3K
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.
13.3K
Photoreceptors and Plant Responses to Light
20.0K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
20.0K
Photosystem II
69.6K
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...
69.6K


