A role for Biofoundries in rapid development and validation of automated SARS-CoV-2 clinical diagnostics.
Michael A. Crone,Miles Priestman,Marta Ciechonska,Kirsten Jensen,David J. Sharp,Arthi Anand,Paul Randell,Marko Storch,Paul S. Freemont +8 more
TLDR
A reagent-agnostic automated SARS-CoV-2 testing platform that can be quickly deployed and scaled is presented and installed in NHS diagnostic labs, increasing testing capacity by 1000 samples per day.Abstract:
The SARS-CoV-2 pandemic has shown how a rapid rise in demand for patient and community sample testing can quickly overwhelm testing capability globally. With most diagnostic infrastructure dependent on specialized instruments, their exclusive reagent supplies quickly become bottlenecks, creating an urgent need for approaches to boost testing capacity. We address this challenge by refocusing the London Biofoundry onto the development of alternative testing pipelines. Here, we present a reagent-agnostic automated SARS-CoV-2 testing platform that can be quickly deployed and scaled. Using an in-house-generated, open-source, MS2-virus-like particle (VLP) SARS-CoV-2 standard, we validate RNA extraction and RT-qPCR workflows as well as two detection assays based on CRISPR-Cas13a and RT-loop-mediated isothermal amplification (RT-LAMP). In collaboration with an NHS diagnostic testing lab, we report the performance of the overall workflow and detection of SARS-CoV-2 in patient samples using RT-qPCR, CRISPR-Cas13a, and RT-LAMP. The validated RNA extraction and RT-qPCR platform has been installed in NHS diagnostic labs, increasing testing capacity by 1000 samples per day.read more
Citations
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Simultaneous dual-gene diagnosis of SARS-CoV-2 based on CRISPR/Cas9-mediated lateral flow assay.
Erhu Xiong,Erhu Xiong,Ling Jiang,Tian Tian,Menglu Hu,Huahua Yue,Mengqi Huang,Wei Lin,Yongzhong Jiang,Debin Zhu,Xiaoming Zhou +10 more
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Automation in the Life Science Research Laboratory.
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Vaccine delivery systems toward lymph nodes.
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