快速和敏感的单个样本病毒转基因组学使用纳米孔Flongle测序
Ian Pichler1, Stefan Schmutz1, Gabriela Ziltener1
1Institute of Medical Virology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland.
Journal of virological methods
|July 29, 2023
概括
这项研究引入了一个更快,更便宜的病毒转基因下一代测序 (mNGS) 方法,使用纳米孔片技术. 这种方法可以在临床诊断中快速和经济有效地检测病毒,改善患者护理的周转时间.
科学领域:
- 临床诊断 临床诊断 临床诊断
- 病毒学 病毒学
- 基因组学就是基因组学.
背景情况:
- 病毒元基因组下一代测序 (mNGS) 为诊断复杂感染提供了对病毒核酸的公正检测.
- 目前的mNGS诊断通常依赖于Illumina测序,它是准确的,但受到长时间和高成本的限制.
- 这阻碍了mNGS在常规临床实践中的广泛采用.
研究的目的:
- 开发和评估用于临床诊断的快速,具有成本效益的病毒mNGS协议.
- 与现有的基于Illumina的mNGS方法相比,减少样本到结果的时间.
- 评估用于检测DNA/RNA病毒的新协议的灵敏度和准确性.
主要方法:
- 开发一种新的mNGS协议,利用纳米孔子测序.
- 优化样品准备和测序步骤,以减少总体时间.
- 使用不同的临床样本,直接比较Nanopore Flongle mNGS与Illumina mNGS.
主要成果:
- 纳米孔Flongle协议显著减少了样品准备 (6小时) 和测序 (2小时) 的时间.
- 该方法证明了DNA/RNA病毒的敏感检测,即使在低输入水平 (高达33-38 Ct).
- 对比分析显示,纳米孔和Illumina mNGS之间的诊断结果相似.
结论:
- 开发的Nanopore Flongle mNGS协议为临床病毒诊断提供了一个快速且具有成本效益的替代方案.
- 这种方法适用于严重病例的个体测试,解决当前方法的局限性.
- 该研究强调了纳米孔测序在提高病毒诊断的周转时间和可访问性方面的潜力.
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