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SARS-CoV-2 samples may escape detection because of a single point mutation in the N gene
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View Affiliations Hide AffiliationsArmin Ensserarmin.ensser fau.de
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Citation style for this article: . SARS-CoV-2 samples may escape detection because of a single point mutation in the N gene. Euro Surveill. 2020;25(39):pii=2001650. https://doi.org/10.2807/1560-7917.ES.2020.25.39.2001650 Received: 10 Sept 2020; Accepted: 30 Sept 2020
Abstract
We found that a single nucleotide polymorphism (SNP) in the nucleoprotein gene of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from a patient interfered with detection in a widely used commercial assay. Some 0.2% of the isolates in the EpiCoV database contain this SNP. Although SARS-CoV-2 was still detected by the other probe in the assay, this underlines the necessity of targeting two independent essential regions of a pathogen for reliable detection.
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