Field-deployable viral diagnostics using CRISPR-Cas13.

Field-deployable viral diagnostics using CRISPR-Cas13.
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DOI:
10.1126/science.aas8836
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发表时间:
2018-04-27
期刊:
Science (New York, N.Y.)
影响因子:
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通讯作者:
Sabeti PC
Sabeti PC
中科院分区:
其他
文献类型:
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作者:
Myhrvold C;Freije CA;Gootenberg JS;Abudayyeh OO;Metsky HC;Durbin AF;Kellner MJ;Tan AL;Paul LM;Parham LA;Garcia KF;Barnes KG;Chak B;Mondini A;Nogueira ML;Isern S;Michael SF;Lorenzana I;Yozwiak NL;MacInnis BL;Bosch I;Gehrke L;Zhang F;Sabeti PC

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Mitigating global infectious disease requires diagnostic tools that are sensitive, specific, and rapidly field-deployable. Here, we demonstrate that the Cas13-based SHERLOCK (Specific High Sensitivity Enzymatic Reporter UnLOCKing) platform can detect Zika virus (ZIKV) and dengue virus (DENV) in patient samples at concentrations down to 1 copy/μl. We develop HUDSON (Heating Unextracted Diagnostic Samples to Obliterate Nucleases), a protocol that pairs with SHERLOCK for viral detection directly from bodily fluids, enabling instrument-free DENV detection directly from patient samples in < 2 hours. We further demonstrate that SHERLOCK can distinguish the 4 DENV serotypes as well as region-specific strains of ZIKV from the 2015–2016 pandemic. Finally, we report the rapid design and testing (<1 week) of instrument-free assays to detect clinically relevant viral single nucleotide polymorphisms.
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