| Title: | Evaluation of methods and processes for robust monitoring of SARS-CoV-2 in wastewater |
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| Authors: | ID Maksimović, Olivera (Author)
ID Lengar, Živa (Author)
ID Kogej Zwitter, Zala (Author)
ID Bačnik, Katarina (Author)
ID Bajde, Irena (Author)
ID Milavec, Mojca (Author)
ID Županič, Anže (Author)
ID Mehle, Nataša (Author)
ID Kutnjak, Denis (Author)
ID Ravnikar, Maja (Author)
ID Gutiérrez-Aguirre, Ion (Author) |
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| Files: |  URL - Source URL, visit https://link.springer.com/article/10.1007/s12560-022-09533-0
 PDF - Presentation file, download (1,32 MB)
MD5: DE49AA11C9A1134C49C9787FF19F93D4
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  NIB - National Institute of Biology
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| Abstract: | The SARS-CoV-2 pandemic has accelerated the development of virus concentration and molecular-based virus detection methods, monitoring systems and overall approach to epidemiology. Early into the pandemic, wastewater-based epidemiology started to be employed as a tool for tracking the virus transmission dynamics in a given area. The complexity of wastewater coupled with a lack of standardized methods led us to evaluate each step of the analysis individually and see which approach gave the most robust results for SARS-CoV-2 monitoring in wastewater. In this article, we present a step-by-step, retrospective view on the method development and implementation for the case of a pilot monitoring performed in Slovenia. We specifically address points regarding the thermal stability of the samples during storage, screening for the appropriate sample concentration and RNA extraction procedures and real-time PCR assay selection. Here, we show that the temperature and duration of the storage of the wastewater sample can have a varying impact on the detection depending on the structural form in which the SARS-CoV-2 target is present. We found that concentration and RNA extraction using Centricon filtration units coupled with Qiagen RNA extraction kit or direct RNA capture and extraction using semi-automated kit from Promega give the most optimal results out of the seven methods tested. Lastly, we confirm the use of N1 and N2 assays developed by the CDC (USA) as the best performing assays among four tested in combination with Fast Virus 1-mastermix. Data show a realistic overall process for method implementation as well as provide valuable information in regards to how different approaches in the analysis compare to one another under the specific conditions present in Slovenia during a pilot monitoring running from the beginning of the pandemic. |
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| Keywords: | waste water, method evolution, virus detection, SARS-CoV-2 |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 23.08.2022 |
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| Year of publishing: | 2022 |
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| Number of pages: | str. 384-400 |
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| Numbering: | Vol. 14 |
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| PID: | 20.500.12556/DiRROS-19431  |
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| UDC: | 579 |
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| ISSN on article: | 1867-0334 |
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| DOI: | 10.1007/s12560-022-09533-0 |
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| COBISS.SI-ID: | 119616515 |
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| Publication date in DiRROS: | 17.07.2024 |
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| Views: | 286 |
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| Downloads: | 194 |
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| Metadata: |    |
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