利用纳米孔直接RNA测序来分析病毒RNA的修饰
Lu Tan1, Zhihao Guo1, Xiaoming Wang2
1Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China.
mSystems
|January 31, 2024
概括
本研究评估了使用牛津纳米孔直接RNA测序检测病毒RNA修饰的计算工具. 使用Tombo_com和xPore集成的管道显示了病毒表谱学的前景,揭示了对Sindbis病毒RNA修饰的洞察力.
科学领域:
- 病毒学 病毒学
- 计算生物学 计算生物学
- 分子生物学分子生物学
背景情况:
- 病毒RNA的修改影响病毒生命周期和宿主反应.
- 牛津纳米孔直接RNA测序使得研究RNA修饰成为可能.
- 现有的计算工具需要对病毒RNA修饰检测进行系统评估.
研究的目的:
- 综合评估用于检测病毒RNA修饰的计算工具的性能.
- 确定最佳工具,并开发病毒表谱学管道.
- 为了研究Sindbis病毒中的RNA修饰模式.
主要方法:
- 使用来自受感染的哺乳动物和蚊子细胞的Sindbis病毒RNA测试了10种计算工具,并以体外转录的RNA作为对照.
- 调整了对比方法的切断值,以尽量减少假阳性.
- 来自Tombo_com和xPore的综合预测,用于管道开发.
主要成果:
- 单模工具对病毒RNA修饰无效.
- 优化的比较工具显示了不同的预测;Tombo_com和xPore交叉预测得到了显著的丰富.
- 拟议的管道成功预测了SARS-CoV-2中的N6-甲基氨酸,并揭示了Sindbis病毒亚基因组RNA的密集修饰,特别是修饰的尿素.
结论:
- 建议将Tombo_com和xPore集成的管道用于病毒RNA修饰检测.
- 仔细应用计算工具对于分析病毒表谱学至关重要.
- 需要进一步验证才能充分解释病毒RNA的修饰.
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