Maturada Patchsung, Aimorn Homchan, Kanokpol Aphicho, Surased Suraritdechachai, Thanyapat Wanitchanon, Archiraya Pattama, Khomkrit Sappakhaw, Piyachat Meesawat, Thanakrit Wongsatit, Artittaya Athipanyasilp, Krittapas Jantarug, Niracha Athipanyasilp, Juthamas Buahom, Supapat Visanpattanasin, Nootaree Niljianskul, Pimchai Chaiyen, Ruchanok Tinikul, Nuanjun Wichukchinda, Surakameth Mahasirimongkol, Rujipas Sirijatuphat, Nasikarn Angkasekwinai, Michael A Crone, Paul S Freemont, Julia Joung, Alim Ladha, Omar Abudayyeh, Jonathan Gootenberg, Feng Zhang, Claire Chewapreecha, Sittinan Chanarat, Navin Horthongkham, Danaya Pakotiprapha, Chayasith Uttamapinant
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Herein, we developed a robust multiplexed clustered regularly interspaced short palindromic repeats (CRISPR)-based detection using LwaCas13a and PsmCas13b to simultaneously diagnose severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and pinpoint the causative SARS-CoV-2 variant of concern (VOC)-including globally dominant VOCs Delta (B.1.617.2) and Omicron (B.1.1.529)-all the while maintaining high levels of accuracy upon the detection of multiple SARS-CoV-2 gene targets. The platform has several attributes suitable for POC use: premixed, freeze-dried reagents for easy use and storage; convenient direct-to-eye or smartphone-based readouts; and a one-pot variant of the multiplexed detection. To reduce reliance on proprietary reagents and enable sustainable use of such a technology in low- and middle-income countries, we locally produced and formulated our own recombinase polymerase amplification reaction and demonstrated its equivalent efficiency to commercial counterparts. 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A Multiplexed Cas13-Based Assay with Point-of-Care Attributes for Simultaneous COVID-19 Diagnosis and Variant Surveillance.
Point-of-care (POC) nucleic acid detection technologies are poised to aid gold-standard technologies in controlling the COVID-19 pandemic, yet shortcomings in the capability to perform critically needed complex detection-such as multiplexed detection for viral variant surveillance-may limit their widespread adoption. Herein, we developed a robust multiplexed clustered regularly interspaced short palindromic repeats (CRISPR)-based detection using LwaCas13a and PsmCas13b to simultaneously diagnose severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and pinpoint the causative SARS-CoV-2 variant of concern (VOC)-including globally dominant VOCs Delta (B.1.617.2) and Omicron (B.1.1.529)-all the while maintaining high levels of accuracy upon the detection of multiple SARS-CoV-2 gene targets. The platform has several attributes suitable for POC use: premixed, freeze-dried reagents for easy use and storage; convenient direct-to-eye or smartphone-based readouts; and a one-pot variant of the multiplexed detection. To reduce reliance on proprietary reagents and enable sustainable use of such a technology in low- and middle-income countries, we locally produced and formulated our own recombinase polymerase amplification reaction and demonstrated its equivalent efficiency to commercial counterparts. Our tool-CRISPR-based detection for simultaneous COVID-19 diagnosis and variant surveillance that can be locally manufactured-may enable sustainable use of CRISPR diagnostics technologies for COVID-19 and other diseases in POC settings.
CRISPR JournalBiochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
6.30
自引率
2.70%
发文量
76
期刊介绍:
In recognition of this extraordinary scientific and technological era, Mary Ann Liebert, Inc., publishers recently announced the creation of The CRISPR Journal -- an international, multidisciplinary peer-reviewed journal publishing outstanding research on the myriad applications and underlying technology of CRISPR.
Debuting in 2018, The CRISPR Journal will be published online and in print with flexible open access options, providing a high-profile venue for groundbreaking research, as well as lively and provocative commentary, analysis, and debate. The CRISPR Journal adds an exciting and dynamic component to the Mary Ann Liebert, Inc. portfolio, which includes GEN (Genetic Engineering & Biotechnology News) and more than 80 leading peer-reviewed journals.