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dc.contributor.authorNavarroa, Anna
dc.contributor.authorGómeza, Livia
dc.contributor.authorSanseverinoa, Isabella
dc.contributor.authorNiegowskaa, Magdalena
dc.contributor.authorRokab, Eszter
dc.contributor.authorPedraccinic, Rosalba
dc.contributor.authorTeresa, Varghab
dc.contributor.authorLettieri, Teresa
dc.descriptionNavarro Cuenca, A., Gomez Cortes, L., Sanseverino, I., Niegowska, M.Z., Roka, E., Pedraccini, R., Vargha, M. and Lettieri, T., SARS-CoV-2, Wastewater, Multiplex assay, RT-qPCR, Environmental surveillance, SCIENCE OF THE TOTAL ENVIRONMENT, ISSN 0048-9697, 797, 2021, p. 148890, JRC124451.
dc.descriptionScience of the Total Environment
dc.description.abstractA multiplex reverse transcription quantitative PCR (RT-qPCR)-based method was designed for the simultaneous detection of different SARS-CoV-2 genes. In this study, we used three target genes encoding for the nucleocapsid 1 and 3 (N1, N3), and the spike (S) proteins, all commonly used in the detection of SARS-CoV-2 in human and environmental samples. The performance of the multiplex assay, compared to the single assay was assessed for the standard calibration curve, required for absolute quantification, and then, for the real environmental samples to detect SARS-CoV-2. For this latter, four environmental samples were collected at a local wastewater treatment plant (WWTP). The results showed that the cycle threshold (Ct) values of the multiplex were comparable to the values obtained by the singleplex PCR. The amplification of the three target genes indicated the presence of SARS-CoV-2 in the four water samples with an increasing trend in February and these results were confirmed in the multiplex approach, showing the robustness of this method and its applicability for the relative abundance analysis among the samples. Overall, both the laboratory and field work results demonstrated that the multiplex PCR assay developed in this study could provide a method for SARS-CoV-2 detection as robust as the single qPCR, but faster and cost-effective, reducing by three times the number of reactions, and consequently the handling time and reagents.
dc.subjectMultiplex assay
dc.subjectEnvironmental surveillance
dc.titleSARS-CoV-2 detection in wastewater using multiplex quantitative PCR
dc.typecom document

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