为了在Drechslerella dactyloides中快速膨胀环状细胞,需要一个形的膜容器
Yue Chen1, Jia Liu1, Seogchan Kang2
1State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Molecular Microbiology and Technology of the Ministry of Education, Department of Microbiology, Frontiers Science Center for Cell Responses, College of Life Science, Nankai University, Tianjin, 300071, China.
Nature communications
|November 15, 2023
概括
肉食真菌迅速扩大其等离子体膜 (PM),使用独特的形膜构造结构 (PMS). 这种结构由DdSnc1蛋白质促进,使得细胞迅速膨胀以捕获线虫.
科学领域:
- 细胞生物学 细胞生物学
- 菌群学 菌群学 菌群学是指菌群学
- 生物化学 生物化学
背景情况:
- 细胞扩张和形状变化是由囊泡与等离子膜 (PM) 融合所驱动的.
- 肉食真菌拥有专门的收缩环 (CR) 细胞,它们迅速膨胀以捕捉猎物.
研究的目的:
- 在CR膨胀过程中调查肉食真菌Drechslerella dactyloides快速和不可逆转的PM膨胀背后的细胞机制.
- 阐明形膜构造结构 (PMS) 和相关蛋白质在CR细胞扩张中的作用.
主要方法:
- 显微镜观察CR细胞成熟和膨胀.
- 对囊泡动力学和膜积累的分析.
- 通过遗传或生化方法 (隐含) 调查v-SNARE蛋白DdSnc1的作用.
主要成果:
- 在成熟过程中,囊泡积聚并融合,在CR细胞的乳头周围形成PMS.
- 在CR膨胀后,PMS消失,与PM光滑度相关联.
- 该v-SNARE蛋白DdSnc1积聚在CR细胞中,对于PMS形成和CR膨胀至关重要.
结论:
- 该PMS作为膜构建材料的储存库,使得CR膨胀过程中快速和广泛的PM膨胀.
- DdSnc1 是一个关键的蛋白质,调节PMS形成和捕获线虫所需的快速细胞扩张.
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