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Seasonal changes in mRNA encoding for cell stress markers in the oyster Crassostrea gigas exposed to radioactive discharges in their natural environment ArchiMer
Farcy, Emilie; Voiseux, Claire; Lebel, Jean-marc; Fievet, Bruno.
The North Cotentin area (Normandy, France) hosts several nuclear facilities among which the AREVA reprocessing plant of La Hague is responsible for controlled discharges of liquid radioactive wastes into the marine environment. The resulting increase in radioactivity is very small compared to natural radioactivity. However, concerns about environment protection prompted the scientific community to focus on the effects of the chronic exposure to low concentrations of radionuclides in non-human biota. This study contributes to the evaluation of the possible impact of radioactive discharges on the oyster Crassostrea gigas in the field. Real-time polymerase chain reaction was used to quantify the expression levels of genes involved in cell stress in the...
Tipo: Text Palavras-chave: Crassostrea gigas; Superoxide dismutase; Metallothionein; Heat shock protein; MRNA; Seasonal variations; Radioactive discharges.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2601.pdf
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