MoWsc1,MoWsc2和MoMid2可以识别宿主表面的信号,并调节由Magnaporthe oryzae介导的感染
Kailun Lu1, Ru Xin1, Xiuyun Ju1
1The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, China.
Plant physiology
|February 24, 2026
概括
细胞壁完整性 (CWI) 传感器MoWsc1,MoWsc2和MoMid2对于植物病原菌Magnaporthe oryzae至关重要. MoWsc2对于压缩物形成特别重要,影响病原性.
科学领域:
- 菌类学 菌类学是指菌类学.
- 植物病理学 植物病理学
- 分子生物学分子生物学
背景情况:
- 细胞壁完整性 (CWI) 传感器调节真菌细胞壁生物合成.
- 关于植物病原菌中CWI传感器功能的知识有限.
- 马格纳波特虫拥有三个可谓的CWI传感器:MoWsc1,MoWsc2和MoMid2.
研究的目的:
- 研究MoWsc1,MoWsc2和MoMid2在M. oryzae.中的生物学作用.
- 确定这些CWI传感器对真菌病原性和发展的贡献.
主要方法:
- 对MoWsc1,MoWsc2和MoMid2.2的单,双和三重淘汰突变的构建和分析.
- 评估病原性,压缩体形成和侵入性生长.
- 研究表面疏水性识别和与大米表面物质的结合试验.
主要成果:
- 双重 (ΔMowsc2 ΔMomid2) 和三重 (ΔMowsc1 ΔMowsc2 ΔMomid2) 突变的病毒性显著降低.
- 这些突变物在疏水表面和植物组织上表现出压缩物形成的缺陷.
- MoWsc1和MoWsc2参与水性识别;MoWsc2和MoMid2识别大米表面物质.
- 受损的压缩体透和侵入性生长有助于减少毒性.
- 个别的基因删除具有较小的影响,但MoWsc1,MoWsc2和MoMid2在生长,化和应激反应中起着独立的作用,MoWsc2是appressorium形成的关键.
结论:
- CWI传感器对于M. oryzae的植物生长,结合,细胞壁完整性和致病性至关重要.
- MoWsc1,MoWsc2和MoMid2表现出重叠的功能,但MoWsc2在调节压形成和随后的感染过程中发挥着关键作用.
更多相关视频
07:14The Plant Infection Test: Spray and Wound-Mediated Inoculation with the Plant Pathogen Magnaporthe Grisea
Published on: August 4, 2018
13.5K
07:36Visualizing Early Infection Sites of Rice Blast Disease Magnaporthe oryzae on Barley Hordeum vulgare Using a Basic Microscope and a Smartphone
Published on: March 17, 2023
2.3K
相关概念视频
01:28Yeast Signaling
18.0K
Yeasts are single-celled organisms, but unlike bacteria, they are eukaryotes (cells with a nucleus). Cell signaling in yeast is similar to signaling in other eukaryotic cells. A ligand, such as a protein or a small molecule released from a yeast cell, attaches to a receptor on the cell surface. The binding stimulates second-messenger kinases to activate or inactivate transcription factors that further regulate gene expression. Many of the yeast intracellular signaling cascades have similar...
18.0K
01:29Fungal Group Zygomycota
1.6K
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
1.6K
01:18Surface Membrane Barriers
3.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
3.1K
01:28Fungal Phylum Microsporidia
606
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
606