Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption

Wastewater: Based Epidemiology (WBE) consists of quantifying biomarkers in sewerage systems to derive real-time information on the health and/or lifestyle of the contributing population. WBE usefulness was vastly demonstrated in the context of the COVID-19 pandemic. Many methods for SARS-CoV-2 RNA d...

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Main Authors: Alonso Reyes-Calderón, Elías Mindreau-Ganoza, Braulio Pardo-Figueroa, Katherine R. Garcia-Luquillas, Sonia P. Yufra, Pedro E. Romero, Claudia Antonini, Jose-Miguel Renom, Cesar R. Mota, Monica C. Santa-Maria
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Heliyon
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Online Access:http://www.sciencedirect.com/science/article/pii/S2405844023033376
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author Alonso Reyes-Calderón
Elías Mindreau-Ganoza
Braulio Pardo-Figueroa
Katherine R. Garcia-Luquillas
Sonia P. Yufra
Pedro E. Romero
Claudia Antonini
Jose-Miguel Renom
Cesar R. Mota
Monica C. Santa-Maria
author_facet Alonso Reyes-Calderón
Elías Mindreau-Ganoza
Braulio Pardo-Figueroa
Katherine R. Garcia-Luquillas
Sonia P. Yufra
Pedro E. Romero
Claudia Antonini
Jose-Miguel Renom
Cesar R. Mota
Monica C. Santa-Maria
author_sort Alonso Reyes-Calderón
collection DOAJ
description Wastewater: Based Epidemiology (WBE) consists of quantifying biomarkers in sewerage systems to derive real-time information on the health and/or lifestyle of the contributing population. WBE usefulness was vastly demonstrated in the context of the COVID-19 pandemic. Many methods for SARS-CoV-2 RNA determination in wastewater were devised, which vary in cost, infrastructure requirements and sensitivity. For most developing countries, implementing WBE for viral outbreaks, such as that of SARS-CoV-2, proved challenging due to budget, reagent availability and infrastructure constraints. In this study, we assessed low-cost methods for SARS-CoV-2 RNA quantification by RT-qPCR, and performed variant identification by NGS in wastewater samples. Results showed that the effect of adjusting pH to 4 and/or adding MgCl2 (25 mM) was negligible when using the adsorption-elution method, as well as basal physicochemical parameters in the sample. In addition, results supported the standardized use of linear rather than plasmid DNA for a more accurate viral RT-qPCR estimation. The modified TRIzol-based purification method in this study yielded comparable RT-qPCR estimation to a column-based approach, but provided better NGS results, suggesting that column-based purification for viral analysis should be revised. Overall, this work provides evaluation of a robust, sensitive and cost-effective method for SARS-CoV-2 RNA analysis that could be implemented for other viruses, for a wider WEB adoption.
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spelling doaj.art-f5354d199d41490b8812013469e4ee7c2023-05-26T04:21:45ZengElsevierHeliyon2405-84402023-06-0196e16130Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoptionAlonso Reyes-Calderón0Elías Mindreau-Ganoza1Braulio Pardo-Figueroa2Katherine R. Garcia-Luquillas3Sonia P. Yufra4Pedro E. Romero5Claudia Antonini6Jose-Miguel Renom7Cesar R. Mota8Monica C. Santa-Maria9Centro de Investigación y Tecnología del Agua - CITA, Universidad de Ingenieria y Tecnologia – UTEC, Jr. Medrano Silva 165, Lima, 15063, PeruFacultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Av. Germán Amézaga s/n, Lima, 15081, PeruCentro de Investigación y Tecnología del Agua - CITA, Universidad de Ingenieria y Tecnologia – UTEC, Jr. Medrano Silva 165, Lima, 15063, PeruCentro de Investigación y Tecnología del Agua - CITA, Universidad de Ingenieria y Tecnologia – UTEC, Jr. Medrano Silva 165, Lima, 15063, PeruDepartamento de Ingeniería Metalúrgica e Ingeniería Ambiental, Universidad Nacional de San Agustín, Av. Independencia s/n, Arequipa, 04001, PeruFacultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Av. Germán Amézaga s/n, Lima, 15081, PeruDepartamento de Ingeniería Industrial, Universidad de Ingenieria y Tecnologia - UTEC, Jr. Medrano Silva 165, Lima, 15063, PeruDepartamento de Ciencias, Universidad de Ingenieria y Tecnologia - UTEC, Jr. Medrano Silva 165, Lima, 15063, PeruDepartamento de Engenharia Sanitária e Ambiental, Escola de Engenharia, Universidade Federal de Minas Gerais (UFMG), Av. Antonio Carlos, Belo Horizonte, 6.627, 31270-901, BrazilCentro de Investigación y Tecnología del Agua - CITA, Universidad de Ingenieria y Tecnologia – UTEC, Jr. Medrano Silva 165, Lima, 15063, Peru; Corresponding author. Jr. Medrano Silva 165, Lima, 15063, Peru.Wastewater: Based Epidemiology (WBE) consists of quantifying biomarkers in sewerage systems to derive real-time information on the health and/or lifestyle of the contributing population. WBE usefulness was vastly demonstrated in the context of the COVID-19 pandemic. Many methods for SARS-CoV-2 RNA determination in wastewater were devised, which vary in cost, infrastructure requirements and sensitivity. For most developing countries, implementing WBE for viral outbreaks, such as that of SARS-CoV-2, proved challenging due to budget, reagent availability and infrastructure constraints. In this study, we assessed low-cost methods for SARS-CoV-2 RNA quantification by RT-qPCR, and performed variant identification by NGS in wastewater samples. Results showed that the effect of adjusting pH to 4 and/or adding MgCl2 (25 mM) was negligible when using the adsorption-elution method, as well as basal physicochemical parameters in the sample. In addition, results supported the standardized use of linear rather than plasmid DNA for a more accurate viral RT-qPCR estimation. The modified TRIzol-based purification method in this study yielded comparable RT-qPCR estimation to a column-based approach, but provided better NGS results, suggesting that column-based purification for viral analysis should be revised. Overall, this work provides evaluation of a robust, sensitive and cost-effective method for SARS-CoV-2 RNA analysis that could be implemented for other viruses, for a wider WEB adoption.http://www.sciencedirect.com/science/article/pii/S2405844023033376Wastewater-based epidemiologySARS-CoV-2COVID-19Virus quantificationViral genomic surveillanceRNA purification
spellingShingle Alonso Reyes-Calderón
Elías Mindreau-Ganoza
Braulio Pardo-Figueroa
Katherine R. Garcia-Luquillas
Sonia P. Yufra
Pedro E. Romero
Claudia Antonini
Jose-Miguel Renom
Cesar R. Mota
Monica C. Santa-Maria
Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
Heliyon
Wastewater-based epidemiology
SARS-CoV-2
COVID-19
Virus quantification
Viral genomic surveillance
RNA purification
title Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
title_full Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
title_fullStr Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
title_full_unstemmed Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
title_short Evaluation of low-cost SARS-CoV-2 RNA purification methods for viral quantification by RT-qPCR and next-generation sequencing analysis: Implications for wider wastewater-based epidemiology adoption
title_sort evaluation of low cost sars cov 2 rna purification methods for viral quantification by rt qpcr and next generation sequencing analysis implications for wider wastewater based epidemiology adoption
topic Wastewater-based epidemiology
SARS-CoV-2
COVID-19
Virus quantification
Viral genomic surveillance
RNA purification
url http://www.sciencedirect.com/science/article/pii/S2405844023033376
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