中的WRKY转录因子:主导发育和应激性的关键调控因子
Tongtong Li1, Bin Li1, Yuanyuan Wang2
1College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, China.
Plant, cell & environment
|August 20, 2025
概括
米WRKY转录因子是植物生长和应激适应的关键调节剂. 这份报告详细介绍了它们在发展和国防方面的作用,
科学领域:
- 植物生物学
- 分子遗传学
- 农业科学
背景情况:
- 米 (Oryza sativa L.) 对于全球粮食安全至关重要,但面临环境变化和害虫的威胁.
- WRKY转录因子对植物生长和应激反应至关重要,但需要对大米WRKY (OsWRKY) 进行全面审查.
研究的目的:
- 提供OsWRKY在大米中的多方面的作用的全面审查.
- 整合最近关于OSWRKY在生长,发育和应激适应方面的发现.
- 为OSWRKY提出未来的研究方向, 以提高的弹性.
主要方法:
- 关于OsWRKY的文献综述和当前研究.
- 对OsWRKYs在调节种子发芽,生长,繁殖和衰老中的作用的分析.
- 检查 OsWRKYs 在非生物和生物应激反应中的参与.
主要成果:
- OsWRKYs调节各种生理过程,包括发芽,生长,繁殖和叶子衰老.
- OsWRKY对于适应非生物压力 (温度,干旱,盐度,重金属,营养不平衡) 和生物挑战 (病原体,昆虫) 是至关重要的.
- OsWRKYs通过W-box元素调节目标基因,影响植物激素信号传递,ROS平衡和防御,平衡生长和防御.
结论:
- OsWRKY是对米发育和应激耐受性至关重要的多功能调节剂.
- 了解OsWRKY的监管机制是基因工程和基因组编辑的关键,
- 未来的研究应侧重于OSWRKY对联合压力的反应及其多层次调节.
更多相关视频
11:33Investigating Interactions Between Histone Modifying Enzymes and Transcription Factors in vivo by Fluorescence Resonance Energy Transfer
Published on: October 14, 2022
1.7K
05:22Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support
Published on: January 25, 2022
3.8K
相关概念视频
Responses to Drought and Flooding
10.9K
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.
10.9K
Other Stress Responses in Bacteria
62
Bacteria have global regulatory systems that control several types of stress mechanisms. These include Pho regulon and the heat shock response, which are essential systems for environmental adaptation, such as nutrient limitation and proteotoxic stress. The Pho regulon and the heat shock response exemplify bacterial resilience, enabling rapid adaptation to fluctuating environmental conditions.Pho RegulonBacteria require phosphorus for essential cellular processes, including nucleic acid...
62
Transcription
148.1K
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...
148.1K
Transcriptional Regulation: Riboswitches
113
Riboswitches are RNA elements that regulate gene expression by altering their secondary structures in response to specific effector molecules. These elements, located in the leader regions of certain mRNAs, act as transcriptional regulators by toggling between alternative conformations to control downstream gene expression. Riboswitch-mediated regulation is a precise mechanism for modulating biosynthetic pathways, as exemplified by the riboflavin biosynthesis pathway in Bacillus...
113
Riboswitches
8.5K
Riboswitches are non-coding mRNA domains that regulate the transcription and translation of downstream genes without the help of proteins. Riboswitches bind directly to a metabolite and can form unique stem-loop or hairpin structures in response to the amount of the metabolite present. They have two distinct regions – a metabolite-binding aptamer and an expression platform.
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
8.5K
Cell Signaling in Plants
5.7K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
5.7K
