Announcing a new article publication for Zoonoses journal. Pathogenic infections cause severe clinical illnesses in humans and animals. Increased encounters between humans and animals and constant environmental changes exacerbate the transmission of zoonotic infectious diseases. Recently, the World Health Organization has declared some zoonotic epidemics as public health emergencies of international concern. Hence, rapid and accurate detection of the causative pathogen is particularly essential in combating emerging and re-emerging infectious diseases. Traditional pathogen detection tools are time-consuming, costly, and require skilled personnel, which greatly hinder the development of rapid diagnostic tests, particularly in resource-constrained regions. Clustered regularly interspaced short palindromic repeats (CRISPR-)-Cas- and aptamer-based platforms have replaced traditional pathogen detection methods.
This article reviews two novel next-generation core pathogen detection platforms that are utilized for clinical and foodborne pathogenic microorganisms: CRISPR-Cas-based systems, including dCas9, Cas12a/b, Cas13, and Cas14; and aptamer-based biosensor detection tools. CRISPR-Cas- and aptamer-based techniques are highlighted and the strengths and weaknesses are compared. CRISPR-Cas-based tools require cumbersome procedures, such as nucleic acid amplification and extraction, while aptamer-based tools require improved sensitivity. The combination of CRISPR-Cas- and aptamer-based techniques as a promising approach to overcome these deficiencies are reviewed. Finally, Cas14-based tools as functionally stronger platforms for the detection of non-nucleic acid targets are discussed.
https://www.scienceopen.com/hosted-document?doi=10.15212/ZOONOSES-2023-0008
Zoonoses is fully open access journal for research scientists, physicians, veterinarians, and public health professionals working on diverse disciplinaries of zoonotic diseases.
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eISSN 2737-7474
ISSN 2737-7466
Helin Yu, Wenwen Jing and Xunjia Cheng. CRISPR-Cas- and Aptamer-based Systems for Diagnosing Pathogens: A Review. Zoonoses. 2023. Vol. 3(1). DOI: 10.15212/ZOONOSES-2023-0008