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- W4293240941 abstract "This process instruction describes the steps for quantitative analysis of nucleic acid from SARS-CoV-2 with a triplex Reverse Transcriptase droplet digital Polymerase Chain Reaction (RT-ddPCR) assay targeting the N Gene, S Gene and 3 mutation assays (one each for HV69-70, E484K/N501Y, del156-157/R158G, del143-145, and LPPA24S) in extracted and purified RNA samples from solid wastewater samples for population level SARS-CoV-2 community surveillance. RT-ddPCR is a modified version of conventional RT-PCR workflows which involves separating the reaction mixture into many partitions (~20,000) before thermal cycling which allows for direct absolute quantification of the target RNA molecules. Future protocols will be published that are complementary to this one and describe assays targeting additional SARS-CoV-2 mutations. This protocol uses RNA extracted using this protocol: High Throughput RNA Extraction and PCR Inhibitor Removal of Settled Solids for Wastewater Surveillance of SARS-CoV-2 RNA. That RNA is generated from samples subjected to pre-analytical steps outlined in: High Throughput pre-analytical processing of wastewater settled solids for SARS-CoV-2 RNA analyses. It is recommended that these assays be run along assays for PMMoV and BCoV as controls as described in the companion protocol High Throughput SARS-COV-2, PMMOV, and BCoV quantification in settled solids using digital RT-PCR The readout of this assay is a concentration of each target in the extracted RNA samples (copies/µL). Scope This process instruction applies to quantitative analysis of nucleic acid from SARS-CoV-2 RNA from solid wastewater samples with ddPCR using a Bio-Rad AutoDG Droplet Digital PCR system consisting of the AutoDG Automated Droplet Generator and the QX200 droplet reader." @default.
- W4293240941 created "2022-08-27" @default.
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- W4293240941 date "2022-04-28" @default.
- W4293240941 modified "2023-10-18" @default.
- W4293240941 title "Quantification of SARS-CoV-2 variant mutations (HV69-70, E484K/N501Y,del156-157/R158G, del143-145, and LPPA24S) in settled solids using digital RT-PCR v2" @default.
- W4293240941 doi "https://doi.org/10.17504/protocols.io.14egnzrrzg5d/v5" @default.
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