Sublethal responses in caged organisms exposed to sediments affected by oil spills

Chemosphere
C Morales-CasellesT A DelValls

Abstract

This study was performed to determine sublethal responses of two invertebrate species by using field deployments in areas affected by oil spills, which are acute in the Galician Coast (NNW, Spain) and chronic in the Bay of Algeciras (SSW, Spain). The organisms employed were the crab Carcinus maenas and the clam Ruditapes philippinarum, and during 28 days the animals were exposed to contaminated sediments in cages under field conditions. Different biomarkers of exposure were determined after a 28-day period exposure: ethoxyresorufin O-deethylase (EROD), phase I detoxification enzyme, glutathione-S-transferase (GST) phase II detoxification enzyme but also implicated in oxidative stress events, glutathione peroxidase (GPX) and glutathione reductase (GR), both antioxidant enzymes. In addition, histopathological effects in target tissues of the deployed organisms were evaluated. Biomarker measurements were linked with the concentration of chemicals in the sediments in order to elucidate the type, source and bioavailability of contaminants that produce adverse effects in the bioindicator species. Results obtained in this study have shown how the application of the selected battery of biomarkers under field bioassays allows for the id...Continue Reading

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Citations

Sep 4, 2009·Environmental Monitoring and Assessment·Sofiene TliliHamadi Boussetta
Jan 1, 2011·Journal of Environmental Sciences (China)·Jamel JebaliHamadi Boussetta
Nov 8, 2012·Environmental Monitoring and Assessment·G V Aguirre-MartínezM L Martín-Díaz
Jun 18, 2014·Environment International·Elsa Teresa Rodrigues, Miguel Ângelo Pardal
Jun 17, 2015·Archives of Environmental Contamination and Toxicology·Houssem ChalghmiDalila Saidane-Mosbahi
Jun 15, 2015·Ecotoxicology and Environmental Safety·Gabriela V Aguirre-MartínezM Laura Martín-Díaz
May 25, 2010·Environment International·Cristiano V M AraújoIgnacio Moreno-Garrido
Jan 29, 2010·Ecotoxicology and Environmental Safety·Cristina López-GalindoMontserrat Solé
Nov 13, 2009·The Science of the Total Environment·Cristiano V M AraújoIgnacio Moreno-Garrido
Oct 6, 2015·Ecotoxicology and Environmental Safety·Gabriela V Aguirre-MartínezM Laura Martín-Díaz
Jul 12, 2013·Environmental Toxicology and Chemistry·Kate Hotard, Enmin Zou
Feb 16, 2011·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·S LavaríasM Ansaldo
Dec 26, 2009·Environmental Research·Adriana H NudiArthur de L Scofield

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