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Development of a Saliva-Optimized RT-LAMP Assay for SARS-CoV-2.
Yu, Albert D; Galatsis, Kristina; Zheng, Jian; Le, Jasmine Quynh; Ma, Dingbang; Perlman, Stanley; Rosbash, Michael.
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  • Yu AD; Howard Hughes Medical Institute and Department of Biology, Brandeis University, Waltham, Massachusetts, USA.
  • Galatsis K; Howard Hughes Medical Institute and Department of Biology, Brandeis University, Waltham, Massachusetts, USA.
  • Zheng J; Department of Microbiology and Immunology, University of Iowa, Iowa City, Iowa, USA.
  • Le JQ; Howard Hughes Medical Institute and Department of Biology, Brandeis University, Waltham, Massachusetts, USA.
  • Ma D; Howard Hughes Medical Institute and Department of Biology, Brandeis University, Waltham, Massachusetts, USA.
  • Perlman S; Department of Microbiology and Immunology, University of Iowa, Iowa City, Iowa, USA.
  • Rosbash M; Howard Hughes Medical Institute and Department of Biology, Brandeis University, Waltham, Massachusetts, USA.
J Biomol Tech ; 32(3): 102-113, 2021 09.
Article en En | MEDLINE | ID: mdl-35027868
Conventional reverse transcription quantitative polymerase chain reaction (RT-qPCR) technology has struggled to fulfill the unprecedented need for diagnostic testing created by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. Complexity and cost hinder access to testing, and long turnaround time decreases its utility. To ameliorate these issues, we focus on saliva and introduce several advances to colorimetric reverse transcription loop-mediated isothermal amplification (RT-LAMP) technology; RT-LAMP offers a minimal equipment alternative to RT-qPCR. First, we validated the use of the novel dye LAMPShade Violet (LSV), which improves the visual clarity and contrast of the colorimetric readout. Second, we compared different inactivation conditions on infectivity and RNA yield from saliva. Third, we developed a 10-minute RNA purification protocol from saliva. We call this magnetic bead protocol SalivaBeads. Finally, we developed a magnetic stick, StickLAMP, which provides reliable bead-based RNA purification as well as simple and low-cost access to scalable testing from saliva.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: SARS-CoV-2 / COVID-19 Tipo de estudio: Diagnostic_studies / Guideline Límite: Humans Idioma: En Revista: J Biomol Tech Asunto de la revista: BIOTECNOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: SARS-CoV-2 / COVID-19 Tipo de estudio: Diagnostic_studies / Guideline Límite: Humans Idioma: En Revista: J Biomol Tech Asunto de la revista: BIOTECNOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos