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Wang Z, Zhang CM, Li YF. Influence of suspended particles and dissolved organic matters on virus enrichment in reclaimed water by two-step tangential flow ultrafiltration: Phenomena and mechanisms. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134494. [PMID: 38703688 DOI: 10.1016/j.jhazmat.2024.134494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Enteric virus concentration in large-volume water samples is crucial for detection and essential for assessing water safety. Certain dissolution and suspension components can affect the enrichment process. In this study, tangential flow ultrafiltration (TFUF) was used as an enrichment method for recovering enteric virus in water samples. Interestingly, the bacteriophage MS2 recovery in reclaimed water and the reclaimed water without particles were higher than that in ultrapure water. The simulated reclaimed water experiments showed that humic acid (HA) (92.16% ± 4.32%) and tryptophan (Try) (81.50 ± 7.71%) enhanced MS2 recovery, while the presence of kaolin (Kaolin) inhibited MS2 recovery with an efficiency of 63.13% ± 11.17%. Furthermore, Atomic force microscopy (AFM) revealed that the MS2-HA cluster and the MS2-Try cluster had larger roughness values on the membrane surface, making it difficult to be eluted, whereas MS2-Kaolin cluster had compact surfaces making it difficult to be eluted. Additionally, the MS2-HA cluster is bound to the membrane by single hydrogen bond with SO, whereas both the MS2-Try cluster and the MS2-Kaolin cluster are bound to the membrane by two hydrogen bonds, making eluting MS2 challenging. These findings have potential implications for validating standardized methods for virus enrichment in water samples.
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Affiliation(s)
- Zhen Wang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Chong-Miao Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| | - Yong-Fu Li
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
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2
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A simplified viral RNA extraction method based on magnetic nanoparticles for fast and high-throughput detection of SARS-CoV-2. Talanta 2023; 258:124479. [PMID: 36966663 PMCID: PMC10035799 DOI: 10.1016/j.talanta.2023.124479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/25/2023]
Abstract
The ongoing outbreak of the novel coronavirus disease 2019 (COVID-19) draws worldwide concerns due to its long incubation period and strong infectivity. Although RT-PCR-based methods are being widely applied for clinical diagnosis, timely and accurate diagnosis towards COVID-19 causing virus, the SARS-CoV-2, is still limited due to labor-intensive and time-consuming operations. Herein, we report a new viral RNA extraction method based on poly-(amino ester) with carboxyl group (PC)-coated magnetic nanoparticles (pcMNPs) for the sensitive detection of SARS-CoV-2. This method combines the lysis and binding steps into one step, and refines multiple washing steps into one step, giving a turnaround time of less than 9 min. Furthermore, the extracted pcMNP-RNA complexes can be directly introduced into subsequent RT-PCR reactions without elution. This simplified viral RNA method could be well adapted in fast manual and automated high-throughput nucleic acids extraction protocols suitable for different scenarios. A high sensitivity down to 100 copies/mL and a linear correlation between 100 and 106 copies/mL of SARS-CoV-2 pseudovirus particles are achieved in both protocols. Benefitting from the simplicity and excellent performances, this new method can dramatically improve the efficiency and reduce operational requirements for the early clinical diagnosis and large-scale SARS-CoV-2 nucleic acid screening.
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Hata A, Meuchi Y, Liu M, Torii S, Katayama H. Surfactant Treatment for Efficient Gene Detection of Enteric Viruses and Indicators in Surface Water Concentrated by Ultrafiltration. FOOD AND ENVIRONMENTAL VIROLOGY 2023; 15:8-20. [PMID: 36592278 DOI: 10.1007/s12560-022-09543-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 11/16/2022] [Indexed: 06/17/2023]
Abstract
The hollow fiber ultrafiltration (HFUF)-based microbial concentration method is widely applied for monitoring pathogenic viruses and microbial indicators in environmental water samples. However, the HFUF-based method can co-concentrate substances that interfere with downstream molecular processes-nucleic acid extraction, reverse transcription (RT), and PCR. These inhibitory substances are assumed to be hydrophobic and, therefore, expected to be excluded by a simple surfactant treatment before the silica membrane-based RNA extraction process. In this study, the efficacy and limitations of the sodium deoxycholate (SD) treatment were assessed by quantifying a process control and indigenous viruses using 42 surface water samples concentrated with HFUF. With some exceptions, which tended to be seen in samples with high turbidity (> 4.0 NTU), virus recovery by the ultrafiltration method was sufficiently high (> 10%). RNA extraction-RT-quantitative PCR (RT-qPCR) efficiency of the process control was insufficient (10%) for 30 of the 42 HFUF concentrates without any pretreatments, but it was markedly improved for 21 of the 30 inhibitory concentrates by the SD treatment. Detection rates of indigenous viruses were also improved and no substantial loss of viral RNA was observed. The SD treatment was particularly effective in mitigating RT-qPCR inhibition, although it was not effective in improving RNA extraction efficiency. The methodology is simple and easily applied. These findings indicate that SD treatment can be a good alternative to sample dilution, which is widely applied to mitigate the effect of RT-qPCR inhibition, and can be compatible with other countermeasures.
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Affiliation(s)
- Akihiko Hata
- Department of Environmental and Civil Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan.
| | - Yuno Meuchi
- Department of Environmental and Civil Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Miaomiao Liu
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Shotaro Torii
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
- School of Architecture, Civil and Environmental Engineering (ENAC), École polytechnique fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Hiroyuki Katayama
- Department of Urban Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Vincent-Hubert F, Wacrenier C, Desdouits M, Jousse S, Schaeffer J, Le Mehaute P, Nakache-Danglot F, Le Guyader FS. Development of passive samplers for the detection of SARS-CoV-2 in sewage and seawater: Application for the monitoring of sewage. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 833:155139. [PMID: 35405243 PMCID: PMC8993413 DOI: 10.1016/j.scitotenv.2022.155139] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/05/2022] [Accepted: 04/05/2022] [Indexed: 05/16/2023]
Abstract
Recent studies have shown that passive sampling is a promising tool for SARS-CoV-2 detection for wastewater-based epidemiology (WBE) application. We have previously developed passive sampling of viruses using polymer membranes in seawater. Even though SARS-CoV-2 was not detected yet in seawater, passive sampling could be optimized for future application in coastal areas close to wastewater treatment plant (WWTP). The aim of this study was to optimize passive sampling of SARS-CoV-2 in sewage and seawater by selecting a suitable membrane, to determine whether the quantities of virus increase over time, and then to determine if passive sampling and traditional sampling are correlated when conducted in a wastewater treatment plant. Nylon and Zetapor allowed the detection of heat inactivated SARS-CoV-2 and of the Porcine Epidemic Diarrhea Virus (PEDV), a coronavirus surrogate, in wastewater and seawater spiked with these 2 viruses, showing an increase in detection between 4 h and 24 h of immersion and significantly higher recoveries of both viruses with nylon in seawater (15%) compared to wastewater (4%). On wastewater samples, both membranes detected the virus, the recovery rate was of about 3% for freshly collected samples, and no significant difference was found between SARS-CoV-2 genome concentration on Zetapor and that in water. In sewage spiked seawater, similar concentrations of genome were found on both membranes, with a mean recovery rate of 16% and 11% respectively for nylon and Zetapor. A 3-weeks monitoring with passive sampler allowed the detection of viruses in the influent of a WWTP with a frequency of 100% and 76% for SARS-CoV-2 and norovirus GII respectively. Passive and traditional sampling gave the same evolution of the SARS-CoV-2 concentration over time. All these results confirmed the interest of passive sampling for virus detection and its potential application for monitoring in the wastewater system for targeted public health actions.
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Affiliation(s)
- Françoise Vincent-Hubert
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France.
| | - Candice Wacrenier
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France
| | - Marion Desdouits
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France
| | - Sarah Jousse
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France
| | - Julien Schaeffer
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France
| | | | | | - Françoise S Le Guyader
- Ifremer, Laboratoire de Microbiologie, LSEM/SG2M, rue de l'île d'Yeu, BP 21105, 44311 NANTES cedex 03, France
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5
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Alamin M, Tsuji S, Hata A, Hara-Yamamura H, Honda R. Selection of surrogate viruses for process control in detection of SARS-CoV-2 in wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 823:153737. [PMID: 35149069 PMCID: PMC8824713 DOI: 10.1016/j.scitotenv.2022.153737] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 05/24/2023]
Abstract
Since SARS-CoV-2 RNA in wastewater is often present at low concentration or under detection limit, ensuring the reliability of detection processes using appropriate process controls is essential. The objective of this study was to evaluate applicability and limitations of candidate surrogate viruses as process controls under combinations of different virus concentration and RNA extraction methods. Detection efficiency of SARS-CoV-2 spiked in wastewater was compared with those of candidate surrogate viruses of bacteriophage ϕ6, pepper mild mottle virus (PMMoV), F-specific coliphage (F-phage), and murine norovirus (MNV). After inactivated SARS-CoV-2 and ϕ6 were spiked in two different wastewaters, the viruses in solid and liquid fractions of wastewater were concentrated by centrifuge and polyethylene glycol (PEG) precipitation, respectively. Viral RNA was extracted by using QIAamp Viral RNA Mini Kit and 3 other commercially available extraction kits, then quantified by reverse transcription-quantitative PCR using CDCN1 assay. Regardless of extraction kits, SARS-CoV-2 was consistently detected with good efficiency from both liquid (11-200%) and solid fractions (7.1-93%). Among the candidate process controls, PMMoV was widely detected at good efficiencies from both liquid and solid fractions regardless of selection of RNA extraction kits. F-phage and MNV also showed good detection efficiencies in most combinations of wastewater fractions and RNA extraction kits. An enveloped virus ɸ6 was found often undetected or to have very low detection efficiency (0.1-4.2%) even when SARS-CoV-2 spiked in wastewater was detected with good efficiency. Consequently, PMMoV is widely applicable as process control for detection of SARS-CoV-2 either in liquid fractions concentrated by PEG precipitation, or in solid fractions concentrated by centrifuge.
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Affiliation(s)
- Md Alamin
- Graduate School of Natural Science and Technology, Kanazawa University, Japan
| | - Shohei Tsuji
- School of Environmental Design, Kanazawa University, Japan
| | - Akihiko Hata
- Faculty of Engineering, Toyama Prefectural University, Japan
| | | | - Ryo Honda
- Faculty of Geosciences and Civil Engineering, Kanazawa University, Japan.
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6
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Hata A, Shirasaka Y, Ihara M, Yamashita N, Tanaka H. Spatial and temporal distributions of enteric viruses and indicators in a lake receiving municipal wastewater treatment plant discharge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 780:146607. [PMID: 33773350 DOI: 10.1016/j.scitotenv.2021.146607] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/16/2021] [Accepted: 03/16/2021] [Indexed: 06/12/2023]
Abstract
Although lake water can be used as a source of drinking water and recreational activities, there is a dearth of research on the occurrence and fate of enteric viruses. Over a period of 14 months at six points in 2014-2015, we conducted monthly monitoring of the virological water quality of a Japanese lake. The lake receives effluent from three surrounding wastewater treatment plants and retains water for about two weeks. These features allowed us to investigate the occurrence and fate of viruses in the lake environment. Human enteric viruses such as noroviruses and their indicators (pepper mild mottle virus and F-specific RNA bacteriophage [FRNAPH] genogroups) were quantified by PCR-based assays. Additionally, FRNAPH genogroups were quantified by infectivity-based assays to estimate the degree of virus inactivation. Pepper mild mottle virus, genogroup II (GII) norovirus, and GI-FRNAPH were identified in relatively high frequencies (positive in >40% out of 64 samples), with concentrations ranging from 1.3 × 101 to 2.9 × 104 copies/L. Human enteric viruses and some indicators were not detected and less prevalent, respectively, after April 2015. Principal component analysis revealed that the virological water quality changed gradually over time, but its differences between the sampling points were not apparent. FRNAPH genogroups were inactivated during the warm season (averaged water temperature of >20 °C) compared to the cool season (averaged water temperature of <20 °C), which may have been due to the more severe environmental stresses such as sunlight and water temperature. This suggests that the infection risk associated with the use of the lake water may have been overestimated by the gene quantification assay during the warm season.
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Affiliation(s)
- Akihiko Hata
- Department of Environmental and Civil Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan.
| | - Yuya Shirasaka
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
| | - Masaru Ihara
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
| | - Naoyuki Yamashita
- Course of Rural Engineering, Department of Science and Technology for Biological Resources and Environment, Faculty of Agriculture, Graduate School of Agriculture Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Hiroaki Tanaka
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
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7
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Vitek R, do Nascimento FH, Masini JC. Polymer monoliths for the concentration of viruses from environmental waters: A review. J Sep Sci 2021; 45:134-148. [PMID: 34128332 DOI: 10.1002/jssc.202100282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/09/2021] [Accepted: 06/10/2021] [Indexed: 12/13/2022]
Abstract
Even at low concentrations in environmental waters, some viruses are highly infective, making them a threat to human health. They are the leading cause of waterborne enteric diseases. In agriculture, plant viruses in irrigation and runoff water threat the crops. The low concentrations pose a challenge to early contamination detection. Thus, concentrating the virus particles into a small volume may be mandatory to achieve reliable detection in molecular techniques. This paper reviews the organic monoliths developments and their applications to concentrate virus particles from waters (waste, surface, tap, sea, and irrigation waters). Free-radical polymerization and polyaddition reactions are the most common strategies to prepare the monoliths currently used for virus concentration. Here, the routes for preparing and functionalizing both methacrylate and epoxy-based monoliths will be shortly described, following a revision of their retention mechanisms and applications in the concentration of enteric and plant viruses in several kinds of waters.
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Affiliation(s)
- Renan Vitek
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil.,Instituto Federal de Educação Ciência e Tecnologia de Mato Grosso, Cuiabá, Brazil
| | - Fernando H do Nascimento
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Jorge C Masini
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
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Hata A, Furumai H, Katayama H. Sequential treatment using a hydrophobic resin and gel filtration to improve viral gene quantification from highly complex environmental concentrates. WATER RESEARCH 2020; 174:115652. [PMID: 32135428 DOI: 10.1016/j.watres.2020.115652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 06/10/2023]
Abstract
Assays based on the polymerase chain reaction (PCR) are widely applied to quantify enteric viruses in aquatic environments to study their fates and potential infection risks. However, inhibitory substances enriched by virus concentration processes can result in inaccurate quantification. This study aimed to find a method for improving virus quantification by mitigating the effects of inhibitory environmental concentrates, using previous knowledge of the properties of the inhibitory substances. Performances of anion exchange resins, gel filtration, and a hydrophobic resin (DAX-8) were comparatively evaluated using poliovirus and its extracted RNA spiked into humic acid solutions. These solutions served as good representatives of the inhibitory environmental concentrates. A sequential treatment using DAX-8 resin and gel filtration produced the most favorable results, i.e., low virus losses that were stable and a reduced inhibitory effect. Furthermore, the sequential treatment was applied to another set of 15 environmental concentrates. Without the sequential treatment, serious underestimation (>4.0 log10 to 1.1 log10) of a molecular process control (murine norovirus) was measured for eight samples. With the treatment, the control was detected with <1.0 log10 underestimation for all samples. The treatment improved the quantification of seven types of indigenous viruses. In summary, the sequential treatment is effective in improving the viral quantification in various of environmental concentrates.
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Affiliation(s)
- Akihiko Hata
- Department of Environmental and Civil Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu-shi, Toyama, 939-0398, Japan.
| | - Hiroaki Furumai
- Research Center for Water Environment Technology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Hiroyuki Katayama
- Department of Urban Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Zhao D, Lin K, Wang L, Qiu Z, Zhao X, Du K, Han L, Tian F, Chang Y. A physical approach for the estimation of the SERS enhancement factor through the enrichment and separation of target molecules using magnetic adsorbents. RSC Adv 2020; 10:20028-20037. [PMID: 35520413 PMCID: PMC9054121 DOI: 10.1039/d0ra03019h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 05/02/2020] [Indexed: 11/21/2022] Open
Abstract
The controllable synthesis of nanosized Fe3O4 (10–20 nm) encapsulated in different numbers of graphene layers (1–5 layers) (Fe3O4@DGL NPs) was realized through a facile and green hydrothermal reaction at a temperature as low as 200 °C.
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Affiliation(s)
- Danhui Zhao
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Kui Lin
- Analytical Instrumentation Centre
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Lanhui Wang
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Zhigang Qiu
- Department of Environment and Health
- Tianjin Institute of Environmental and Operational Medicine
- Tianjin 300050
- P. R. China
| | - Xin Zhao
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Kunze Du
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Lifeng Han
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Fei Tian
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
| | - Yanxu Chang
- Tianjin Key Laboratory of TCM Chemistry and Analysis
- Tianjin University of Traditional Chinese Medicine
- Tianjin
- P. R. China
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Strubbia S, Phan MVT, Schaeffer J, Koopmans M, Cotten M, Le Guyader FS. Characterization of Norovirus and Other Human Enteric Viruses in Sewage and Stool Samples Through Next-Generation Sequencing. FOOD AND ENVIRONMENTAL VIROLOGY 2019; 11:400-409. [PMID: 31446609 PMCID: PMC6848244 DOI: 10.1007/s12560-019-09402-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 08/17/2019] [Indexed: 05/06/2023]
Abstract
This study aimed to optimize a method to identify human enteric viruses in sewage and stool samples using random primed next-generation sequencing. We tested three methods, two employed virus enrichment based on the binding properties of the viral capsid using pig-mucin capture or by selecting viral RNA prior to library preparation through a capture using the SureSelect target enrichment. The third method was based on a non-specific biophysical precipitation with polyethylene glycol. Full genomes of a number of common human enteric viruses including norovirus, rotavirus, husavirus, enterovirus and astrovirus were obtained. In stool samples full norovirus genome were detected as well as partial enterovirus genome. A variety of norovirus sequences was detected in sewage samples, with genogroup II being more prevalent. Interestingly, the pig-mucin capture enhanced not only the recovery of norovirus and rotavirus but also recovery of astrovirus, sapovirus and husavirus. Documenting sewage virome using these methods provides information for molecular epidemiology and may be useful in developing strategies to prevent further spread of viruses.
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Affiliation(s)
- Sofia Strubbia
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France
| | - My V T Phan
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Julien Schaeffer
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France
| | - Marion Koopmans
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Matthew Cotten
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- London School of Hygiene and Tropical Medicine, London, UK
- Uganda Virus Research Institute, Entebbe, Uganda
- MRC-Centre for Virus Research, Glasgow, UK
| | - Françoise S Le Guyader
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France.
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11
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Strubbia S, Schaeffer J, Oude Munnink BB, Besnard A, Phan MVT, Nieuwenhuijse DF, de Graaf M, Schapendonk CME, Wacrenier C, Cotten M, Koopmans MPG, Le Guyader FS. Metavirome Sequencing to Evaluate Norovirus Diversity in Sewage and Related Bioaccumulated Oysters. Front Microbiol 2019; 10:2394. [PMID: 31681246 PMCID: PMC6811496 DOI: 10.3389/fmicb.2019.02394] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/03/2019] [Indexed: 12/20/2022] Open
Abstract
Metagenomic sequencing is a promising method to determine the virus diversity in environmental samples such as sewage or shellfish. However, to identify the short RNA genomes of human enteric viruses among the large diversity of nucleic acids present in such complex matrices, method optimization is still needed. This work presents methodological developments focused on norovirus, a small ssRNA non-enveloped virus known as the major cause of human gastroenteritis worldwide and frequently present in human excreta and sewage. Different elution protocols were applied and Illumina MiSeq technology were used to study norovirus diversity. A double approach, agnostic deep sequencing and a capture-based approach (VirCapSeq-VERT) was used to identify norovirus in environmental samples. Family-specific viral contigs were classified and sorted by SLIM and final norovirus contigs were genotyped using the online Norovirus genotyping tool v2.0. From sewage samples, 14 norovirus genogroup I sequences were identified of which six were complete genomes. For norovirus genogroup II, nine sequences were identified and three of them comprised more than half of the genome. In oyster samples bioaccumulated with these sewage samples, only the use of an enrichment step during library preparation allowed successful identification of nine different sequences of norovirus genogroup I and four for genogroup II (>500 bp). This study demonstrates the importance of method development to increase virus recovery, and the interest of a capture-based approach to be able to identify viruses present at low concentrations.
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Affiliation(s)
- Sofia Strubbia
- Laboratoire de Microbiologie, LSEM-SG2M-RBE, Ifremer, Nantes, France
| | - Julien Schaeffer
- Laboratoire de Microbiologie, LSEM-SG2M-RBE, Ifremer, Nantes, France
| | - Bas B Oude Munnink
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Alban Besnard
- Laboratoire de Microbiologie, LSEM-SG2M-RBE, Ifremer, Nantes, France
| | - My V T Phan
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - David F Nieuwenhuijse
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Miranda de Graaf
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | | | - Candice Wacrenier
- Laboratoire de Microbiologie, LSEM-SG2M-RBE, Ifremer, Nantes, France
| | - Matthew Cotten
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Marion P G Koopmans
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
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Canh VD, Kasuga I, Furumai H, Katayama H. Viability RT-qPCR Combined with Sodium Deoxycholate Pre-treatment for Selective Quantification of Infectious Viruses in Drinking Water Samples. FOOD AND ENVIRONMENTAL VIROLOGY 2019; 11:40-51. [PMID: 30680674 DOI: 10.1007/s12560-019-09368-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 01/18/2019] [Indexed: 05/22/2023]
Abstract
The presence of pathogenic viruses in drinking water is a major public health concern. Although viability RT-qPCR methods were developed to quantify infectious viruses, they may not always reflect viral infectivity, therefore leading to false-positive results. In this study, sodium deoxycholate (SD) pre-treatment was used to improve the efficiency of viability RT-qPCR methods with respect to exclusive quantification of infectious viruses. The ability of SD pre-treatment to enhance the penetration of three viability markers, namely, ethidium monoazide (EMA, 100 µM), propidium monoazide (PMA, 100 µM), and cis-dichlorodiammineplatinum (CDDP, 1000 µM), into heat-treated (90 °C for 1 min) Aichi virus at various concentrations (0.01-0.5%) was evaluated. The optimal SD concentration was found to be 0.1% for all markers. EMA/PMA/CDDP-RT-qPCR with 0.1% SD pre-treatment was significantly more effective than without SD pre-treatment in determining AiV inactivation after heat (50, 60, 70, 80, or 90 °C for 1 min) or chlorine treatment (1 mgCl2/L for 1, 2, 5, or 10 min). Among the viability RT-qPCR methods tested, CDDP-RT-qPCR with SD pre-treatment (SD-CDDP-RT-qPCR) was the most effective in reflecting viral infectivity. Performance testing of SD-CDDP-RT-qPCR in concentrated drinking water samples did not reveal any significant effects of SD-CDDP treatment. Thus, SD-CDDP-RT-qPCR could be a useful tool for monitoring infectious virus presence in drinking water.
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Affiliation(s)
- Vu Duc Canh
- Department of Urban Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
| | - Ikuro Kasuga
- Department of Urban Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Hiroaki Furumai
- Research Center for Water Environment Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Hiroyuki Katayama
- Department of Urban Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
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Ferrihydrite treatment to mitigate inhibition of RT-qPCR virus detection from large-volume environmental water samples. J Virol Methods 2019; 263:60-67. [DOI: 10.1016/j.jviromet.2018.10.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/11/2018] [Accepted: 10/22/2018] [Indexed: 11/19/2022]
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Amarasiri M, Kitajima M, Miyamura A, Santos R, Monteiro S, Miura T, Kazama S, Okabe S, Sano D. Reverse transcription-quantitative PCR assays for genotype-specific detection of human noroviruses in clinical and environmental samples. Int J Hyg Environ Health 2018; 221:578-585. [DOI: 10.1016/j.ijheh.2018.02.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 02/20/2018] [Accepted: 02/20/2018] [Indexed: 12/13/2022]
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