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Effects of organohalogen pollution are coded in hepatic gene expression profiles of Baltic salmon

Reprinted with permission from Environmental Science & Technology. © 2020 American Chemical Society
Hatchery-reared Atlantic salmon (Salmo salar) have been released to support the wild salmon stocks in the Baltic Sea for decades. During their feeding migration, salmon are exposed to organohalogen compounds (OHCs). Here, we investigated the OHC levels and transcriptome profiles in the liver of wild and hatchery-reared salmon collected from the Baltic main basin, the Bothnian Sea, and the Gulf of Finland and examined whether salmon origin and OHC levels contributed to the hepatic transcriptome profiles. There were no differences in the OHC concentrations and transcriptome profiles between wild and hatchery-reared fish but there were large differences among the areas. Several transcript levels were associated with polychlorinated biphenyls, chlordanes, and dichlorodiphenyltrichloroethane in a concentration-dependent manner. When comparing the different areas, lipid metabolism, ....

United States , Baltic Sea , Bothnian Sea , American Chemical Society Journal , Hatchery Reared Atlantic , Environmental Science , ஒன்றுபட்டது மாநிலங்களில் , பால்டிக் கடல் , அமெரிக்கன் இரசாயன சமூகம் இதழ் , சுற்றுச்சூழல் அறிவியல் ,