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Details of HT-SGS process from sample to sequencing.

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posted on 2021-04-08, 17:27 authored by Sung Hee Ko, Elham Bayat Mokhtari, Prakriti Mudvari, Sydney Stein, Christopher D. Stringham, Danielle Wagner, Sabrina Ramelli, Marcos J. Ramos-Benitez, Jeffrey R. Strich, Richard T. Davey Jr., Tongqing Zhou, John Misasi, Peter D. Kwong, Daniel S. Chertow, Nancy J. Sullivan, Eli A. Boritz

SARS-CoV-2 genomic RNA (gRNA) is reverse-transcribed with a primer that binds in ORF6, downstream of the M gene stop codon, and includes a UMI sequence of 8 random nucleotides flanked by a PCR reverse primer binding site. Reverse-transcription products are amplified by PCR using a forward primer that binds in ORF1, upstream of the spike gene start codon. Amplified products are then subjected to long-read sequencing.

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