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Responses of juvenile European flounder (Platichthys flesus) to multistress in the Vilaine estuary, during a 6-month survey
- Evrard, E. (författare)
- Devaux, A. (författare)
- Bony, S. (författare)
- visa fler...
- Cachot, J. (författare)
- Quiniou, L. (författare)
- LaRoche, J. (författare)
- visa färre...
- (creator_code:org_t)
- 2012-09-04
- 2013
- Engelska.
- Ingår i: Environmental science and pollution research international. - : Springer Science and Business Media LLC. - 0944-1344 .- 1614-7499. ; 20:2, s. 676-689
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Physiological and genetic responses of age 0+ Platichthys flesus were investigated in the eutrophicated and moderately contaminated Vilaine estuary, during a 6-month survey. The main objective of this study was to explore the biological responses of fishes during their juvenile period in an estuarine system in order to detect a possible selective pressure induced by the environmental stress. Our results showed a general convergence in physiological responses along the survey: an increase in genotoxicity was associated with an increase in mRNA expression of ATPase and betaine homocysteine methyltransferase. These results could suggest an increase of cellular damage, energetic request, and detoxification rate related to the growing exposure time to stress. Considering the aging of the cohort, the genetic characteristics of the Vilaine flounder cohort came closer to the one observed in a highly stressed system, the Seine estuary, suggesting a potential selective pressure mainly induced by the chemical stress. © 2012 Springer-Verlag.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- Chemical contamination
- DNA damage
- Flounder
- Genetic variability
- adenosine triphosphatase
- apolipoprotein E
- apolipoprotein E1
- betaine homocysteine methyltransferase
- environmental stress
- enzyme activity
- eutrophication
- flatfish
- gene expression
- genetic analysis
- genetic variation
- genotoxicity
- juvenile
- physiological response
- pollution effect
- age
- animal
- article
- body size
- comet assay
- estuary
- France
- gene expression regulation
- genetics
- liver
- physiological stress
- physiology
- population genetics
- single strand conformation polymorphism
- water pollution
- Adenosine Triphosphatases
- Age Factors
- Animals
- Apolipoproteins E
- Betaine-Homocysteine S-Methyltransferase
- Estuaries
- Genetics
- Population
- Polymorphism
- Single-Stranded Conformational
- Stress
- Physiological
- Bretagne
- Ille et Vilaine
- Seine Estuary
- Vilaine Estuary
- Pisces
- Platichthys flesus
- Pleuronectoidei
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Environmental science and pollution research international (Sök värdpublikationen i LIBRIS)
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- Evrard, E.
- Devaux, A.
- Bony, S.
- Cachot, J.
- Charrier, Grégor ...
- Quiniou, L.
- visa fler...
- LaRoche, J.
- visa färre...
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