Consulta: subjectFacets:"Oyster contamination"
Registros recuperados: 2
Data/hora: 13/06/2024 05:24:49

La contamination de la Gironde par le cadmium : origine, extension, importance
Provedor de dados: 5
Autores: Boutier, Bernard; Chiffoleau, Jean-francois; Jouanneau, Jean-marie; Latouche, Claude; Philipps, Isabelle.
In 1979, the French monitoring program RNO (Réseau National d'Observation de la qualité du milieu Marin) pointed out a dramatic cadmium contamination in the oysters from the Gironde estuary (up to 100 ug -1, dry weight). The wild oyster-beds upstream the estuary were shown to be the most contaminated. This result tends to point to the river as the source of the cadmium contamination. At the same rime, uncontaminated oysters from Arcachon were transplanted in the Gironde estuary (La Fosse, Dau). This ex periment confirmed the importance and proved the permanence of the contamination. Very high concentrations of dissolved cadmium (400 ng. 1-1) were measured in the estuarine mixing zone. This phenomenon can be explained by the desorption of cadmiumfrom...
Tipo: Text
Palavras-chave: Cadmium; Désorption; Estuaire; Bilan géochimique; Contamination des huîtres; Cadmium; Desorption; Estuary; Geochemical budget; Oyster contamination.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/00167/27820/26013.pdf

Shellfish contamination by norovirus : strain selection based on ligand expression?
Provedor de dados: 5
Autores: Le Guyader, Soizick; Atmar, Robert; Maalouf, Haifa; Le Pendu, Jacques.
Shellfish can be a vector for human pathogens. Despite regulation based on enteric bacteria, shellfish are still implicated in viral outbreaks. Oysters are the most common shellfish associated with outbreaks, and noroviruses, which cause acute gastroenteritis, are the most frequently identified pathogen in these outbreaks. Analysis of shellfish-related outbreak data worldwide shows an unexpected high proportion of NoV GI strains. Recent studies performed in vitro, in vivo and in the environment indicate that oysters are not just a passive filter, but can selectively accumulate norovirus strains based on virus carbohydrate ligands shared with humans. These observations may help explain the GI/GII bias observed in shellfish-related outbreaks compared to...
Tipo: Text
Palavras-chave: Shellfish; Noroviruses; Oyster contamination; Pathogen.
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00150/26093/24313.pdf