Young Scientist Forum |
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Research advances on pathogenic nucleic acid detection technology based on CRIPSR/Cas system |
Hongzhao LI1,2(),Hao WANG2(),Rui YIN2,Min YUE1,2,Yan LI1,2 |
1.Hainan Institute of Zhejiang University, Sanya 572025, Hainan, China 2.Institute of Preventive Veterinary Sciences/Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, Zhejiang, China |
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Abstract Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein (Cas) (CRISPR/Cas) system, an ancient bacterial and archaeal immune system, has rapidly developed into a popular gene-editing tool, which largely promotes the development of several biology-related fields. By combining the CRISPR/Cas systems with the isothermal amplification techniques, the novel and effective detection methods with high sensitivity and independence of equipment have been established, such as DNA endonuclease-targeted CRISPR trans-reporter (DETECTR) and specific high-sensitivity enzymatic reporter unlocking (SHERLOCK). These new technologies not only improve the performance of the CRISPR/Cas system in different situations, but also inspire its application potential in the on-site detection. In this review, we summarized the nucleic acid detection methods developed on the three widely-used CRISPR/Cas systems (CRISPR/Cas9, CRISPR/Cas12a, and CRISPR/Cas13), and elucidated their biological significance and the principles of action. We also reviewed the recent studies on the applications of CRISPR/Cas systems in pathogen detection, and analyzed the characteristics and possible defects of different detection systems in practical applications. This review aims to provide more constructive advice on developing adaptable and efficient CRISPR/Cas-based detection methods for different pathogens in various practical scenarios.
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Received: 05 August 2022
Published: 03 November 2023
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Corresponding Authors:
Yan LI
E-mail: 22017116@zju.edu.cn;11917042@zju.edu.cn
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基于CRISPR/Cas系统的病原核酸检测技术研究进展
作为一种古老的细菌和古菌免疫系统,规律成簇的间隔短回文重复序列及其相关蛋白[clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein (Cas), CRISPR/Cas]系统现已发展为新兴的热门基因编辑工具,极大地推动了其他多个生物学相关领域的发展。其中,通过结合CRISPR/Cas系统与核酸恒温扩增技术建立了一些新型的高效、灵敏、不依赖仪器设备的检测方法,如DNA内切酶靶向的CRISPR反式报告系统(DNA endonuclease-targeted CRISPR trans-reporter, DETECTR)、特异性高灵敏度的酶报告器系统(specific high-sensitivity enzymatic reporter unlocking, SHERLOCK)等,不但提高了CRISPR/Cas系统在不同应用场景下的检测性能,更进一步激发了其在现场检测中的应用潜力。本文基于近年来被广泛应用的3种CRISPR/Cas系统(CRISPR/Cas9、CRISPR/Cas12a以及CRISPR/Cas13)的生物核酸检测方法,阐述了CRISPR/Cas系统的生物学意义及一般作用原理,并通过回顾以往开展的CRISPR/Cas系统相关的病原检测研究,比较分析了不同检测系统的特点以及在实际应用过程中可能存在的不足,为针对不同病原在不同应用场景下建立更加高效、合理的CRISPR/Cas系统检测方法提供了有益参考。
关键词:
CRISPR/Cas系统,
Cas蛋白,
病原,
核酸,
检测方法
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doi: 10.1016/j.bios.2020.112906
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