Biomarkers and heavy metal bioaccumulation in mussels transplanted to coastal waters of the Beagle Channel.
Mussels coming from a mussel farm at Brown Bay (Beagle Channel) were transplanted to four sites inside Ushuaia Bay for 2 and 4 weeks. The objective of this study was to assess the quality of coastal waters of Ushuaia Bay by measuring catalase activity, lipid peroxidation, total lipid content, bioaccumulation of heavy metals and condition index in transplanted mussel Mytilus edulis chilensis. Biomarkers except condition index showed significant differences among exposure times as well as among tissues. Digestive gland presented the highest catalase activity, malondialdehyde level and total lipid content. Digestive gland also was the main target tissue of accumulation of iron and copper, while gill accumulated the highest levels of zinc. A principal component analyzes with the whole set of data allowed to separate stations based on physicochemical conditions and biochemical responses of each studied area.
Giarratano
Erica
E
Centro Austral de Investigaciones Científicas (CADIC - CONICET), Av. B. Houssay 200 (V9410BFD) Ushuaia, Tierra del Fuego, Argentina. giarratanoerica@hotmail.com
Duarte
Claudia A
CA
Amin
Oscar A
OA
D000818:Animals; D001118:Argentina; D015415:Biomarkers / Q000378:metabolism; D002374:Catalase / Q000032:analysis / Q000378:metabolism; D004064:Digestive System / Q000737:chemistry / Q000187:drug effects / Q000378:metabolism; D004781:Environmental Exposure / Q000032:analysis*; D004784:Environmental Monitoring; D005880:Gills / Q000737:chemistry / Q000187:drug effects / Q000378:metabolism; D050356:Lipid Metabolism / Q000187:drug effects; D015227:Lipid Peroxidation / Q000187:drug effects; D008315:Malondialdehyde / Q000032:analysis / Q000378:metabolism; D019216:Metals, Heavy / Q000378:metabolism* / Q000633:toxicity; D049880:Mytilus edulis / Q000737:chemistry / Q000187:drug effects / Q000378:metabolism*; D018384:Oxidative Stress / Q000187:drug effects; D012623:Seawater / Q000737:chemistry; D014873:Water Pollutants / Q000378:metabolism* / Q000633:toxicity
D015415:Biomarkers; D019216:Metals, Heavy; D014873:Water Pollutants; D008315:Malondialdehyde; D002374:Catalase