RinRK1增强了在根毛尖的纳米域样结构中的NF受体积累
Ning Zhou1,2, Xiaolin Li1,2, Zhiqiong Zheng1
1National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China.
Nature communications
|April 26, 2024
概括
虫节点因子 (NF) 信号需要NF受体和激酶RinRK1. 这项研究揭示了RinRK1和Flotillin 1 (Flot1) 在根毛尖组织NF受体综合体,这对于共生感染线程形成至关重要.
科学领域:
- 植物与微生物的相互作用
- 分子植物科学 分子植物科学
- 协生信号传递是共生信号传递.
背景情况:
- 豆类-树枝生物共生对于固有关键.
- 诺德因子 (NF) 感知由NF受体启动共生信号传递.
- 林RK1激酶对于感染线 (IT) 形成至关重要,但其机制尚不清楚.
研究的目的:
- 阐明RinRK1在NF信号传递中的分子机制.
- 研究RinRK1和Flotillin 1 (Flot1) 在NF受体局部化和功能中的作用.
- 了解共生感染期间信号复合体的组合.
主要方法:
- 同免疫沉测试检测蛋白质相互作用.
- 孔焦显微镜可视化根毛中的蛋白质定位.
- 在RinRK1和Flot1.1缺乏突变物的遗传分析.
主要成果:
- RinRK1与NF受体 (NFR1,NFR5) 相互作用,并促进它们在根毛尖上的积累.
- 浮提林1 (Flot1) 与NF受体和RinRK1.1相关.
- 在NF刺激时,RinRK1和Flot1都对NF受体复合体的组合和定位至关重要.
结论:
- RinRK1和Flot1促进局部血信号平台的形成.
- 这些平台对于NF受体复合组合和随后的共生感染至关重要.
- 这项研究揭示了调节豆类共生信号的新机制.
相关概念视频
Cell Signaling in Plants
5.6K
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...
5.6K
Regulation of the Unfolded Protein Response
2.4K
Inositol-requiring kinase one or IRE1 is the most conserved eukaryotic unfolded protein response (UPR) receptor. It is a type I transmembrane protein kinase receptor with a distinctive site-specific RNase activity. As the binding mechanics of the misfolded proteins with the N-terminal domain of IRE-1 are unclear, three binding models — direct, indirect, and allosteric -- are proposed for receptor activation. Nevertheless, it is known that once a misfolded protein associates with IRE1, it...
2.4K
Enzyme-linked Receptors
78.3K
Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
78.3K
NF-κB-dependent Signaling Pathway
7.4K
The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The...
NF-κB-dependent Signaling Mechanism
The...
7.4K


