Detoxification and effects of the UV filter BP3 in the digestive gland and hemocytes of yellow clam (Amarilladesma mactroides) under a perspective of global warming scenario
2022
Lopes, Fernanda Chaves | de Castro, Micheli Rosa | Patrocinio, Guilherme Toledo Alves | da Silveira Guerreiro, Amanda | Barbosa, Sergiane Caldas | Primel, Ednei Gilberto | de Martinez Gaspar Martins, Camila
In this study, we evaluated the combined effects of exposure to BP3 (at an environmentally relevant concentration of 1 μg/L) with temperature increasing (24 °C) in the marine bivalve Amarilladesma mactroides. The BP3 (1 μg/L) at 20 °C increased ROS and antioxidants in the digestive glands of clams, without causing significant effect on lipid peroxidation (LPO). However, at high temperature (24 °C), BP3 suppressed increases in antioxidant defenses, mainly glutathione peroxidase, lead to a rise in LPO in the digestive gland, however this condition increased hemocyte viability. The Integrated Biological Responses (IBR) approach show that temperature influences BP3 effects, as the highest score was observed in animals exposed to 1 μg/L of BP3 at 20 °C (9.35), while the lowest was observed in BP3 group at 24 °C (1.02). These results draw attention to the harmful effects of BP3 on bivalves, especially in a scenario of thermal stress.
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