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Genetic analysis of noroviruses taken from gastroenteritis patients, river water and oysters.

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Title: Genetic analysis of noroviruses taken from gastroenteritis patients, river water and oysters.
Authors: Ueki, Y.1,2 youeki@ihe.pref.miyagi.jp, Akiyama, K.1, Watanabe, T.2, Omura, T.2
Source: Water Science & Technology. 2004, Vol. 50 Issue 1, p51-56. 6p.
Subjects: Gastroenteritis, Oysters, Gastrointestinal diseases, Virus disease transmission, Rivers, Patients
Geographic Terms: Japan
Abstract: As oysters are eaten raw in Japan, their contamination with the non-bacterial agent of gastroenteritis has become a serious health problem. As it is well known that oysters tend to concentrate noroviruses (NV) in their digestive diverticula, NV may be linked with the acute gastroenteritis. However, since NV cannot be cultivated in cell cultures, and they have genetic diversity, the behaviour of NV in the aquatic environment is little known. In this study, NV samples were taken from gastroenteritis patients; from the river flowing into the oyster-farming area; and from oysters harvested from that river. Genetic identities of NV samples were analysed in capsid and RNA-dependent RNA polymerase (RdRp) regions respectively. In both regions, strains taken from patients were >96% identical with those from river and oyster samples. This proved that oysters were contaminated with NV excreted from patients with gastroenteritis. [ABSTRACT FROM AUTHOR]
Copyright of Water Science & Technology is the property of IWA Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 26699481
AccessLevel: 6
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PubTypeId: academicJournal
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  Data: Genetic analysis of noroviruses taken from gastroenteritis patients, river water and oysters.
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  Data: <searchLink fieldCode="JN" term="%22Water+Science+%26+Technology%22">Water Science & Technology</searchLink>. 2004, Vol. 50 Issue 1, p51-56. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Gastroenteritis%22">Gastroenteritis</searchLink><br /><searchLink fieldCode="DE" term="%22Oysters%22">Oysters</searchLink><br /><searchLink fieldCode="DE" term="%22Gastrointestinal+diseases%22">Gastrointestinal diseases</searchLink><br /><searchLink fieldCode="DE" term="%22Virus+disease+transmission%22">Virus disease transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Rivers%22">Rivers</searchLink><br /><searchLink fieldCode="DE" term="%22Patients%22">Patients</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Japan%22">Japan</searchLink>
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  Data: As oysters are eaten raw in Japan, their contamination with the non-bacterial agent of gastroenteritis has become a serious health problem. As it is well known that oysters tend to concentrate noroviruses (NV) in their digestive diverticula, NV may be linked with the acute gastroenteritis. However, since NV cannot be cultivated in cell cultures, and they have genetic diversity, the behaviour of NV in the aquatic environment is little known. In this study, NV samples were taken from gastroenteritis patients; from the river flowing into the oyster-farming area; and from oysters harvested from that river. Genetic identities of NV samples were analysed in capsid and RNA-dependent RNA polymerase (RdRp) regions respectively. In both regions, strains taken from patients were >96% identical with those from river and oyster samples. This proved that oysters were contaminated with NV excreted from patients with gastroenteritis. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Water Science & Technology is the property of IWA Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.2166/wst.2004.0016
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      – Code: eng
        Text: English
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        PageCount: 6
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      – SubjectFull: Gastroenteritis
        Type: general
      – SubjectFull: Oysters
        Type: general
      – SubjectFull: Gastrointestinal diseases
        Type: general
      – SubjectFull: Virus disease transmission
        Type: general
      – SubjectFull: Rivers
        Type: general
      – SubjectFull: Patients
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      – SubjectFull: Japan
        Type: general
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      – TitleFull: Genetic analysis of noroviruses taken from gastroenteritis patients, river water and oysters.
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              Text: 2004
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