通过CRISPR-Cas12a辅助的特定检测mopox病毒
Mandeep Singh1, Chitra Seetharam Misra1, Gargi Bindal1,2
1Applied Genomics Section, Bhabha Atomic Research Centre, Mumbai, India.
Journal of medical virology
|July 29, 2023
概括
一种新的集群定期间隔的短平行体重复 (CRISPR) -Cas12a试验可以快速检测mopox病毒. 这种敏感的诊断工具可以将mopox与其他orthopoxvirus区分开来,有助于疾病监测.
科学领域:
- 病毒学 病毒学
- 分子诊断学 分子诊断
- 公共卫生 公共卫生
背景情况:
- 莫波克斯病毒 (Orthopoxvirus属) 引起人类疾病,最近在非特有地区发生了全球性疫情.
- 快速,灵敏和特定的诊断测试对于mopox监测和控制至关重要.
- 区分mopox和其他orthopoxvirus是具有挑战性的,但在共同流行地区至关重要.
研究的目的:
- 开发一种用于特定检测mopox病毒的新型诊断试验.
- 为了利用mopox病毒的独特遗传特征进行测试设计.
- 提供一个快速和灵敏的工具,用于mopox病毒的识别.
主要方法:
- 开发一个基于核酶的聚类正规间隔短时间的平行体重复 (CRISPR-Cas12a) 测试.
- 在polA (E9L) 基因中识别mopox特定的保存序列.
- 利用单核酸多态性 (SNP) 来区分mopox与其他orthopoxvirus.
主要成果:
- 开发的CRISPR-Cas12a试验证明了对mopox病毒的高特异性.
- 该试验达到检测限值为1副本/μl.
- 该测试在30分钟内提供了结果.
- 该试验成功区分了mopox病毒和相关的orthopox病毒.
结论:
- 克里斯普尔-Cas12a试验提供了一种敏感和特定的方法来检测mopox病毒.
- 这种测定对MPOX监测具有实用价值,特别是在多种orthopoxvirus存在的地区.
- 该测试可以帮助识别mopox热点并控制疾病的传播.
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