CRISPR-Cas12-based detection of SARS-CoV-2.

CRISPR-Cas12-based detection of SARS-CoV-2.
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DOI:
10.1038/s41587-020-0513-4
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发表时间:
2020-07
影响因子:
46.9
通讯作者:
Chiu, Charles Y.
Chiu, Charles Y.
中科院分区:
工程技术1区
文献类型:
--
作者:
Broughton, James P.;Deng, Xianding;Yu, Guixia;Fasching, Clare L.;Servellita, Venice;Singh, Jasmeet;Miao, Xin;Streithorst, Jessica A.;Granados, Andrea;Sotomayor-Gonzalez, Alicia;Zorn, Kelsey;Gopez, Allan;Hsu, Elaine;Gu, Wei;Miller, Steve;Pan, Chao-Yang;Guevara, Hugo;Wadford, Debra A.;Chen, Janice S.;Chiu, Charles Y.

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2019年12月,中国武汉开始爆发β冠状病毒SARS-CoV-2。COVID-19是一种与感染相关的疾病,迅速蔓延,导致全球大流行。我们报告了一种快速(<40分钟),易于实施和准确的基于CRISPR-Cas 12的侧向流检测方法的开发,用于检测呼吸道拭子RNA提取物中的SARS-CoV-2。我们使用人造参考样本和来自美国患者的临床样本验证了我们的方法,包括36名COVID-19感染患者和42名其他病毒性呼吸道感染患者。我们基于CRISPR的DETECTR检测试剂盒为美国CDC SARS-CoV-2实时RT-PCR检测试剂盒提供了直观且更快的替代方案,阳性预测一致率为95%,阴性预测一致率为100%。患者样本中的SARS-CoV-2使用基于CRISPR的侧向流检测在一小时内被检测到。
An outbreak of betacoronavirus SARS-CoV-2 began in Wuhan, China in December 2019. COVID-19, the disease associated with infection, rapidly spread to produce a global pandemic. We report development of a rapid (<40 min), easy-to-implement and accurate CRISPR-Cas12-based lateral flow assay for detection of SARS-CoV-2 from respiratory swab RNA extracts. We validated our method using contrived reference samples and clinical samples from US patients, including 36 patients with COVID-19 infection and 42 patients with other viral respiratory infections. Our CRISPR-based DETECTR assay provides a visual and faster alternative to the US CDC SARS-CoV-2 real-time RT-PCR assay, with 95% positive predictive agreement and 100% negative predictive agreement.. SARS-CoV-2 in patient samples is detected in under an hour using a CRISPR-based lateral flow assay.
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