TCID50测试:一种简单的方法来确定细菌病毒滴度
Zhihui Zhang1, Xiaoyue Zhang1, Hongying Chen2
1College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China.
Methods in molecular biology (Clifton, N.J.)
|July 1, 2024
概括
本研究详细介绍了50%组织培养感染剂量 (TCID50) 方法,用于确定baculovirus感染标位. 它涉及连续稀释和监测昆虫细胞的细胞病变效应,以量化病毒感染力.
科学领域:
- 分子病毒学分子病毒学
- 昆虫细胞培养 昆虫细胞培养
- 生物技术是生物技术.
背景情况:
- 准确量化baculovirus传染性标位对于有效的基因表达和病毒产生至关重要.
- 传统的定位定位方法可能是耗时和劳动密集的.
研究的目的:
- 描述一种简单可靠的方法来确定baculovirus传染性标位.
- 为计算使用TCID50试验的baculovirus标位提供一个协议.
主要方法:
- 使用了50%组织培养感染剂量 (TCID50) 方法.
- 连续稀释的baculovirus库存被添加到Sf9昆虫细胞在96井板.
- 细胞被化了3-5天,并监测了细胞病变效应 (细胞死亡).
- 使用Reed-Muench方法进行标位计算.
主要成果:
- TCID50试验提供了细菌病毒感染性的定量测量.
- 感染Sf9细胞中的细胞病变效应是病毒活性的可靠指标.
- 里德-穆恩奇法允许根据观察到的细胞死亡计算病毒标位.
结论:
- TCID50方法是确定baculovirus传染性标位的实用方法.
- 这种方法促进了用于研究和生产的标准化baculovirus库存评估.
- 精确的标位测定对于优化基于baculovirus的应用程序至关重要.
相关概念视频
01:23Microbial Growth Measurement: Direct Methods
Direct methods for measuring microbial populations in a culture are essential tools in microbiology, providing quantitative data for various applications. Among these, microscopic counts, plate counts, and serial dilution are widely used techniques, each with unique principles and applications.Microscopic CountsMicroscopic counting involves the use of a Petroff-Hausser chamber, a specialized microscope slide with a grid and defined depth. By observing a liquid culture under a microscope,...
01:24Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...