评估样本储存时间对病毒检测的影响,使用基于CTAB的快速和成本有效的提取方法
Deogratius Mark1, Fred Tairo2, Joseph Ndunguru2,3
1Tanzania Agricultural Research Institute, 6226, Dar-es-Salaam, Tanzania. deomarkd@yahoo.com.
Plant methods
|May 9, 2024
概括
一种基于CTAB的新方法 (M3) 即使在长期储存后,也能有效地从麻瓜叶中提取高质量的DNA和RNA. 这种具有成本效益的方法对于植物病毒流行病学和偏远地区的疾病控制至关重要.
科学领域:
- 植物病理学 植物病理学
- 分子生物学分子生物学
- 生物技术是生物技术.
背景情况:
- 大麻叶样本在储存和运输过程中迅速降解.
- 获得高质量的DNA/RNA对于植物病毒流行病学和疾病控制至关重要.
- 需要低成本,高效的方法,特别是在偏远地区和发展中国家.
研究的目的:
- 调查样品储存时间对核酸 (NA) 的影响. 病毒检测的质量.
- 优化和测试一个简单,快速,经济高效的基于CTAB的方法 (M3) 为NA. 提取. 提取. 这是一种提取.
- 将M3与两种现有的基于CTAB的方法 (M1和M2) 进行比较.
主要方法:
- 优化了基于CTAB的方法 (M3) 对NA进行优化. 提取. 提取. 这是一种提取.
- 测试M3与M1和M2一起使用新鲜和储存的麻瓜叶 (1-56个月).
- 使用纳米滴和阿加罗斯凝电泳量化DNA/RNA;估计的降解速率.
主要成果:
- 方法M3提取了更高的DNA度,用于短期存储 (1-8个月).
- 长期储存 (26-56个月) 的M3和M2产生了高DNA度.
- M3和M2从新鲜样本中产生了高质量的DNA;RT-PCR检测了从M3提取的RNA中检测到的病毒.
结论:
- 优化的CTAB方法 (M3) 对于加工新鲜和干燥麻样来说,具有成本效益,快速和简单.
- 这种方法有助于及时做出植物疾病管理和监测的决定.
- 它可以实现高效的NA. 在资源有限的环境中用于植物病毒诊断的提取.
相关概念视频
Effects of EDTA on End-Point Detection Methods
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Automated 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...


