About: Abstract SARS-CoV-2 genetic identification is based on viral RNA extraction prior to RT-qPCR assay, however recent studies support the elimination of the extraction step. Herein, we assessed the RNA extraction necessity, by comparing RT-qPCR efficacy in several direct approaches vs. the gold standard RNA extraction, in detection of SARS-CoV-2 from laboratory samples as well as clinical Oro-nasopharyngeal SARS-CoV-2 swabs. Our findings show advantage for the extraction procedure, however a direct no-buffer approach might be an alternative, since it identified more than 60% of positive clinical specimens.   Goto Sponge  NotDistinct  Permalink

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  • Abstract SARS-CoV-2 genetic identification is based on viral RNA extraction prior to RT-qPCR assay, however recent studies support the elimination of the extraction step. Herein, we assessed the RNA extraction necessity, by comparing RT-qPCR efficacy in several direct approaches vs. the gold standard RNA extraction, in detection of SARS-CoV-2 from laboratory samples as well as clinical Oro-nasopharyngeal SARS-CoV-2 swabs. Our findings show advantage for the extraction procedure, however a direct no-buffer approach might be an alternative, since it identified more than 60% of positive clinical specimens.
subject
  • Biotechnology
  • Zoonoses
  • Biochemistry
  • Polymerase chain reaction
  • Titration
  • COVID-19
  • Biochemistry methods
  • Laboratory techniques
  • Molecular biology
  • Sarbecovirus
  • Chiroptera-borne diseases
  • Infraspecific virus taxa
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