相关实验视频
Updated: Jul 28, 2026
05:57
In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells
Published on: May 16, 2011
25.8K
在高通量动力学中对细菌粘附于组织的量化
Nimrod Shteindel1, Danielle Gutman2, Gil Atzmon2
1Department of Evolutionary and Environmental Biology, Haifa University, Tivon, Israel.
Biology methods & protocols
|August 14, 2023
概括
这项研究引入了一种快速,高通量测试,以测量细菌粘附动力学. 这种新方法准确地追踪了细菌突变如何影响组织相互作用,有助于开发新的治疗方法.
科学领域:
- 微生物学 微生物学
- 生物技术是生物技术.
- 细胞生物学 细胞生物学
背景情况:
- 细菌粘附对于与宿主组织的致病性和有益相互作用至关重要.
- 目前的方法缺乏时间分辨率来捕捉细菌粘附的快速动态.
- 了解粘附动力学对于开发有针对性的干预措施至关重要.
研究的目的:
- 开发和验证一种高通量试验,用于测量细菌粘附动力学,分辨率为秒到分钟.
- 为了研究*Pseudomonas aeruginosa*野生型和突变菌株对人类胚胎 (HEK293) 细胞的粘附模式.
- 为药物查和理解宿主-细菌相互作用提供一种工具.
主要方法:
- 开发了一种新型的高通量检测方法来量化细菌粘附.
- 该测试以秒到分钟的分辨率测量粘附动力学.
- 测试了 *Pseudomonas aeruginosa* PAO1 野生型,鞭毛,皮利和定数感应突变体对 HEK293 细胞的附着性.
主要成果:
- 粘附率与HEK293细胞的汇合有很好的相关性.
- 观察到的细菌突变的粘附模式与现有文献一致.
- 该试验证明了高通量能力和动态分辨率.
结论:
- 开发的测定方法提供了关于细菌粘附的关键动态数据.
- 这种方法可以加速药物查和开发新疗法.
- 它增强了对病原性和益生菌细菌与宿主组织相互作用的理解.
相关概念视频
01:58Mechanical Protein Functions
Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force.
01:10Intracellular Movement of Viruses and Bacteria
Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...
01:18Flagella and Motility in Bacteria
Flagella are specialized, thread-like structures that extend from a bacteria's cell envelope. They play a crucial role in motility and chemotaxis. Their structural organization and functioning exemplify sophisticated biological engineering, enabling bacterial survival and adaptability in diverse environments.Structure of the FlagellumA bacterial flagellum consists of three key components: the filament, the hook, and basal body. The filament, a long, helical structure composed of repeating...