使用CRISPR查检查病毒宿主因子发现的审查
Wayne Ren See1, Meisam Yousefi1, Yaw Shin Ooi1,2
1Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore.
mBio
|October 18, 2024
概括
聚类定期间隔的短平行体重复 (CRISPR) 查彻底改变了病毒与宿主相互作用的研究. 这篇评论详细介绍了CRISPR的细节.
科学领域:
- 病毒学 病毒学
- 遗传学 遗传学 是一个
- 分子生物学分子生物学
背景情况:
- 基因组规模的先进基因查,包括哈普洛伊德基因查和CRISPR淘汰查,已经提升了我们对病毒感染生物学的理解.
- 由于其在基因组编辑中的精度和效率,CRISPR查越来越多地用于识别新型病毒宿主因素.
研究的目的:
- 从科学和技术的角度审查CRISPR查对理解病毒与宿主相互作用的影响.
- 总结已发表的CRISPR屏用于识别病毒宿主因素,详细说明实验设计和关键发现.
- 为未来对病毒宿主因子的无偏发现提供参考,使用黄病毒和SARS-CoV-2作为案例研究.
主要方法:
- 关于CRISPR查应用到病毒与宿主相互作用的已发表文献的综述.
- 对实验设计的分析和来自各种CRISPR屏幕的重要发现.
- 讨论针对特定研究问题的CRISPR查定制方法.
主要成果:
- 克里斯普尔查显著推进了对病毒感染至关重要的宿主因子的发现.
- 现有CRISPR屏幕的全面摘要提供了对其设计和结果的洞察.
- 涉及黄病毒和SARS-CoV-2的案例研究说明了CRISPR查的广泛适用性.
结论:
- 克里斯普尔查代表了病毒学中的变革性技术,使我们能够更深入地了解病毒宿主动态.
- 该审查对旨在利用CRISPR技术来无偏见地识别病毒宿主因素的研究人员提供指南.
- 未来的CRISPR查应用有望进一步揭开病毒病原和宿主反应的复杂性.
相关概念视频
CRISPR
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced Short...
CRISPR and crRNAs
Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
CRISPR
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced Short...
The Antiviral System of Bacteria and Archaea: CRISPR
CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this defense.
CRISPR/Cas9 Genome Editing
The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...


