Norwalk Virus Binding to Oysters
Author Information
Author(s): Le Guyader Françoise S., Loisy Fabienne, Atmar Robert L., Hutson Anne M., Estes Mary K., Ruvoën-Clouet Nathalie, Pommepuy Monique, Le Pendu Jacques
Primary Institution: Institut Français de Recherche pour l'Exploitation de la Mer
Hypothesis
Can Norwalk virus or virus-like particles bind specifically to oyster tissues?
Conclusion
The study found that Norwalk virus can specifically bind to oyster digestive tissues, indicating that oysters can concentrate this human pathogen.
Supporting Evidence
- Norwalk virus particles were detected in oyster digestive tissues after bioaccumulation.
- Immunostaining showed specific binding of viral particles to digestive ducts.
- The binding mechanism involves carbohydrate structures similar to those on human tissues.
Takeaway
Oysters can grab onto a virus that makes people sick, and just washing them won't get rid of it.
Methodology
The study involved bioaccumulation experiments and immunohistochemical analysis to assess virus binding to oyster tissues.
Limitations
The study did not evaluate the binding of other norovirus strains or other shellfish species.
Digital Object Identifier (DOI)
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