Selected article for: "CRISPR detection and high load"
Author: Alcantara, R.; Penaranda, K.; Mendoza, G.; Nakamoto, J. A.; Martins-Luna, J.; Del Valle, J.; Adaui, V.; Milon, P.
Title: Unlocking low- and middle-income countries to detect SARS-CoV-2
  • Cord-id: vwxpazi0
  • Document date: 2021_4_20
    • ID: vwxpazi0
    Snippet: Low- and middle-income countries (LMICs) are significantly affected by SARS-CoV-2, partially due to their limited capacity for local development of molecular testing and accentuated by the international supply shortage. Here, we describe a molecular toolkit that can be readily produced and deployed in LMICs using minimal laboratory equipment. Our results show that mid-scale production of enzymes and nucleic acids can supply thousand tests per production batch. One-step RT-PCR was optimized for t
    Document: Low- and middle-income countries (LMICs) are significantly affected by SARS-CoV-2, partially due to their limited capacity for local development of molecular testing and accentuated by the international supply shortage. Here, we describe a molecular toolkit that can be readily produced and deployed in LMICs using minimal laboratory equipment. Our results show that mid-scale production of enzymes and nucleic acids can supply thousand tests per production batch. One-step RT-PCR was optimized for two SARS-CoV-2 loci and coupled to CRISPR/Cas12a detection. The clinical validation indicated a sensitivity near 100% for mid and high viral load samples (Cq [≤] 33). The specificity was around 100% regardless of viral load. The toolkit was used with the mobile laboratory BentoLab, potentially unlocking LMICs to implement detection services in unattended regions. Altogether, we provide detailed methods and performance evidence of molecular tools aiming to aid LMICs to deploy molecular testing for current or future pathogenic outbreaks.

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