Evaluation of a Proteinase K-Based Extraction Method to Detect Hepatitis A Virus, Hepatitis E Virus and Norovirus in Artificially Contaminated Dairy Products
Human norovirus and hepatitis viruses (hepatitis A (HAV) and hepatitis E (HEV)) are leading causes of foodborne disease worldwide. Among the various food products, different types of dairy products can be implicated in viral foodborne outbreaks and contamination can occur at different stages, such as preparation, contact with contaminated equipment or via other foods. The aim of this study was to characterise a proteinase K method adapted from the ISO 15216 method for the detection of HAV, HEV and norovirus in artificially contaminated dairy products, based on the recent international standard of ISO 16140-4. Results showed that the recovery yields obtained from pure RNA in dairy products ranged from 5.76% to 76.40% for HAV, from 35.09% to 100.00% for HEV, from 25.09% to 100.00% for norovirus GI and from 47.83% to 100.00% for norovirus GII. The process control MNV-1 was detected in all RNA extracts, with recovery yields between 36.83% and 100.00%. The limit of detection (LOD) of the method was between 184 and 642 genome copies/mL (or/g) for the LOD50 and 802 and 2800 genome copies/mL or/g for the LOD95 according to the virus analysed. This method proved to be suitable for detecting viruses in dairy products for routine diagnostic needs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Foods (Basel, Switzerland) - 12(2023), 7 vom: 01. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hennechart-Collette, Catherine [VerfasserIn] |
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| Links: |
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| Themen: |
Detection |
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| Anmerkungen: |
Date Revised 15.04.2023 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/foods12071489 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM355526697 |
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| 520 | |a Human norovirus and hepatitis viruses (hepatitis A (HAV) and hepatitis E (HEV)) are leading causes of foodborne disease worldwide. Among the various food products, different types of dairy products can be implicated in viral foodborne outbreaks and contamination can occur at different stages, such as preparation, contact with contaminated equipment or via other foods. The aim of this study was to characterise a proteinase K method adapted from the ISO 15216 method for the detection of HAV, HEV and norovirus in artificially contaminated dairy products, based on the recent international standard of ISO 16140-4. Results showed that the recovery yields obtained from pure RNA in dairy products ranged from 5.76% to 76.40% for HAV, from 35.09% to 100.00% for HEV, from 25.09% to 100.00% for norovirus GI and from 47.83% to 100.00% for norovirus GII. The process control MNV-1 was detected in all RNA extracts, with recovery yields between 36.83% and 100.00%. The limit of detection (LOD) of the method was between 184 and 642 genome copies/mL (or/g) for the LOD50 and 802 and 2800 genome copies/mL or/g for the LOD95 according to the virus analysed. This method proved to be suitable for detecting viruses in dairy products for routine diagnostic needs | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a detection | |
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| 700 | 1 | |a Martin-Latil, Sandra |e verfasserin |4 aut | |
| 700 | 1 | |a Perelle, Sylvie |e verfasserin |4 aut | |
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