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Updated: Oct 5, 2025

Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
Published on: August 16, 2024
Programmable Biosensors Based on RNA-Guided CRISPR/Cas Endonuclease
Xiaolong Liu1, Mubashir Hussain1, Jianguo Dai1
1Shenzhen Key Laboratory of Fermentation, Purification and Analysis, Shenzhen Polytechnic, Shenzhen, 518055, China.
Clustered regularly interspaced short palindromic repeat and CRISPR-associated protein (CRISPR-Cas) systems are revolutionizing nucleic acid detection for infectious diseases. This review highlights CRISPR-Cas biosensors for rapid, point-of-care diagnostics of pathogens and tumors.
Area of Science:
- Biotechnology
- Molecular Biology
- Infectious Disease Diagnostics
Background:
- Infectious diseases pose significant public health and economic threats globally.
- Traditional nucleic acid detection methods face limitations in speed and precision.
- CRISPR-Cas systems, originally for genome engineering, offer programmable precision.
Purpose of the Study:
- To review the application of CRISPR-Cas systems as biosensors for nucleic acid detection.
- To explore the capabilities of CRISPR-Cas in identifying genetic mutations and microbial pathogens.
- To discuss the advantages and challenges of developing CRISPR-Cas for point-of-care (POC) diagnostics.
Main Methods:
- Review of current literature on CRISPR-Cas enzyme utility in biosensing.
- Analysis of CRISPR-Cas mechanisms for recognition, signal amplification, and detection.
- Evaluation of CRISPR-Cas technology for diagnostic applications.
Main Results:
- CRISPR-Cas systems function as effective biosensors for accurate nucleic acid detection.
- These systems enable rapid, multiplexed biomarker identification for tumors and pathogens.
- CRISPR-Cas technology demonstrates potential for improved rational redesign in biosensing.
Conclusions:
- CRISPR-Cas biosensors represent a significant advancement in diagnostic technology.
- The review provides insights into the current status and future potential of CRISPR-Cas for rapid POC diagnostics.
- Overcoming current hurdles is crucial for widespread adoption of CRISPR-Cas diagnostic tools.
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