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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

preliminary study on multi-level biomarkers response of the tropical oyster Crassostrea brasiliana to exposure to the antifouling biocide DCOI

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Author(s):
de Campos, Bruno Galvao [1] ; Fontes, Mayana Karoline [1] ; Gusso-Choueri, Paloma Kachel [2] ; Marinsek, Gabriela Pustiglione [1, 3] ; Nobre, Caio Rodrigues [1] ; Moreno, Beatriz Barbosa [4] ; Lemos Abreu, Fiamma Eugenia [5] ; Fillmann, Gilberto [5] ; Mari, Renata de Britto [1] ; de Souza Abessa, Denis Moledo [1]
Total Authors: 10
Affiliation:
[1] Sao Paulo State Univ, UNESP, Biosci Inst, Praca Infante Dom Henrique S-N, BR-11330900 Sao Vicente, SP - Brazil
[2] Univ Santa Cecilia, Dept Ecotoxicol, Santos, SP - Brazil
[3] Sao Paulo State Univ, UNESP, Inst Adv Studies Ocean, Av Joao Francisco Bensdorp 1178, BR-11350011 Sao Vicente, SP - Brazil
[4] Univ Fed Sao Paulo UNIFESP, Inst Mar, Rua Maria Maximo 168, BR-11030100 Santos, SP - Brazil
[5] Univ Fed Rio Grande FURG, Inst Oceanog, Av Italia S-N, Km 8, Campus Carreiros, BR-96203900 Rio Grande, RS - Brazil
Total Affiliations: 5
Document type: Journal article
Source: Marine Pollution Bulletin; v. 174, JAN 2022.
Web of Science Citations: 0
Abstract

This study investigated the sublethal effects of environmentally relevant concentrations of DCOIT on the neotropical oyster Crassostrea brasiliana. Gills and digestive glands of animals exposed to increasing concentrations of DCOIT were analyzed for biochemical, cellular, and histopathological responses. Exposure to DCOIT (0.2 to 151 mu g L-1) for 120 h triggered oxidative stress in both tissues (through the modulation of GPX, GST, GSH and GR), which led to damage of membrane lipids (increase of LPO and reduction of the NRRT). DCOIT increased histopathological pathologies in gills, such as necrosis, lymphocyte infiltration and epithelial desquamation. This study showed that short term exposure to environmental concentrations of DCOIT causes negative effects on C. brasiliana at biochemical, physiological, and histological levels. Therefore, the use of DCOIT as a booster biocide in antifouling paints should be further assessed, as it may cause environmental hazards to marine organisms. (AU)

FAPESP's process: 17/10211-0 - Ecotoxicological study of the anti-fouling biocide Sea-Nine in neotropical marine invertebrates.
Grantee:Bruno Galvão de Campos
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 17/04970-5 - Relationship between metal concentrations in the sediment, bioaccumulation and toxic responses in p. vivipara:subsidies for the environmental risk assessment
Grantee:Paloma Kachel Gusso Choueri
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 20/03004-0 - Assessment of bioaccumulation and toxicity of innovative antifouling nanomaterials on tropical and neotropical marine invertebrates
Grantee:Denis Moledo de Souza Abessa
Support Opportunities: BIOTA-FAPESP Program - Regular Research Grants