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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
The gastrointestinal tract and its enteric nervous system are the first routes of food and xenobiotics uptake. Considering the importance of this organ, this study evaluated intestinal biomarkers of Sphoeroides testudineus integrating the data to generate tools for pollution assessment. The fish were collected in three sites of São Paulo Coast and their intestines were analyzed for biochemical, histology, and neuronal density and morphometry biomarkers. To evaluate the differences among the data, a PERMANOVA was applied, followed by a FA/PCA. The PERMANOVA indicated differences (P < 0.001) between the regions (RA, A1, and A2). Four factors were extracted from the FA/PCA (62% cumulative), showing that the animals from A2 presented severe alterations, mainly in intestinal morphometry and neuronal density. A1 alterations refer mainly to the increase of neuronal metabolism. Our results also evidence a gradient of environmental quality related to the protection level (AR > A1 > A2).
São Paulo State University (Unesp) Department of Biological and Environmental Sciences Animal Morphophysiology Laboratory, Coastal Campus
São Paulo State University (Unesp) Department of Biological and Environmental Sciences Research Group on Pollution and Aquatic Ecotoxicology, Coastal Campus
São Paulo State University (Unesp) Institute for Advanced Studies of Ocean
Federal University of São Paulo Department of Marine Sciences Institute of the Sea, Baixada Santista Campus
Ecotoxicology Laboratory - Unisanta Universidade Santa Cecília, R. Oswaldo Cruz, 277 – CP 11045-907 - Boqueirão
São Paulo State University (Unesp) Department of Biological and Environmental Sciences Animal Morphophysiology Laboratory, Coastal Campus
São Paulo State University (Unesp) Department of Biological and Environmental Sciences Research Group on Pollution and Aquatic Ecotoxicology, Coastal Campus
São Paulo State University (Unesp) Institute for Advanced Studies of Ocean
FAPESP: 2014/07793-9
CNPq: 301766/2019-3
CNPq: 308533/2018-6