Biochemical and physiological responses of two clam species to Triclosan combined with climate change scenario.

摘要: Ocean acidification and warming are among the man-induced factors that most likely impact aquatic wildlife worldwide. Besides effects caused by temperature rise lowered pH conditions, chemicals of current use can also adversely affect organisms. Both climate change emerging pollutants, including toxic impacts in marine invertebrates, have been investigated recent years. However, less information is available on combined these physical chemical stressors that, nature, occur simultaneously. Thus, this study contrasts antimicrobial agent plastic additive, Triclosan (TCS) related clams Ruditapes philippinarum (invasive) decussatus (native) evaluates if influenced modifications. Organisms were acclimated for 30 days at two conditions (control: 17 °C; pH 8.1 scenario: 21 °C, pH 7.7) absence drug (experimental period I) followed a 7 days exposure under same water parameters but either (unexposed) or presence TCS 1 μg/L II). Biochemical responses covering metabolic, oxidative defences damage-related biomarkers contrasted end experimental II. The overall picture showed well-marked antioxidant activation higher bioaccumulation forecasted scenario despite reduction respiration rate unaltered metabolism exposed clams. Since highly consumed shellfish, consequences tissue anthropogenic to final consumers should be alerted not only present more significantly predicted climatic humans other components trophic chain.