Journal
COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY
Volume 21, Issue 4, Pages 3770-3798Publisher
WILEY
DOI: 10.1111/1541-4337.13000
Keywords
Cas effectors; challenges and opportunities; collateral cleavage (trans-cleavage); CRISPR-Cas-based detection; detection methods; food safety
Categories
Funding
- National Natural Science Foundation of China [32072309, 21672161, 81503086, 2217412]
- Tianjin Municipal Science and Technology Committee [19JCYBJC27800]
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science Technology [19PTSYJC00060]
- Tianjin Graduate Scientific Research Innovation Project [2021YJSB208]
- Shenzhen Bay Open Laboratory Fund 2021 by Shenzhen Bay Laboratory
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Food safety is a critical global issue, and current detection methods have some shortcomings. As an emerging technology, the CRISPR-Cas system has great potential for applications in food safety detection, and it is expected to address the limitations of existing methods.
Food safety is one of the biggest public issues occurring around the world. Microbiological, chemical, and physical hazards can lead to food safety issues, which may occur at all stages of the supply chain. In order to tackle food safety issues and safeguard consumer health, rapid, accurate, specific, and field-deployable detection methods meeting diverse requirements are one of the imperative measures for food safety assurance. CRISPR-Cas system, a newly emerging technology, has been successfully repurposed in biosensing and has demonstrated huge potential to establish conceptually novel detection methods with high sensitivity and specificity. This review focuses on CRISPR-Cas-based detection and its current status and huge potential specifically for food safety inspection. We firstly illustrate the pending problems in food safety and summarize the popular detection methods. We then describe the potential applications of CRISPR-Cas-based detection in food safety inspection. Finally, the challenges and futuristic opportunities are proposed and discussed. Generally speaking, the current food safety detection methods are still unsatisfactory in some ways such as being time-consuming, displaying unmet sensitivity and specificity standards, and there is a comparative paucity of multiplexed testing and POCT. Recent studies have shown that CRISPR-Cas-based biosensing is an innovative and fast-expanding technology, which could make up for the shortcomings of the existing methods or even replace them. To sum up, the implementation of CRISPR-Cas and the integration of CRISPR-Cas with other techniques is promising and desirable, which is expected to provide customized and smart detection methods for food safety inspection in the coming future.
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