Shell form and enzymatic alterations in Lottia subrugosa (Gastropoda, Lotiidae) transplanted to a contaminated site.

Autor: Harayashiki CAY; Instituto do Mar, Universidade Federal de São Paulo (IMAR-UNIFESP), Santos, SP, Brazil. Electronic address: c.harayashiki@gmail.com., Sadauskas-Henrique H; Laboratório de Organismos Marinhos e Costeiros (LABOMAC), Universidade Santa Cecília (Unisanta), Santos, SP, Brazil., de Souza-Bastos LR; Laboratório de Toxicologia e Avaliação Ambiental, Instituto de Tecnologia para o Desenvolvimento - LACTEC, Rodovia BR-116, km 98, n° 8813 - Jardim das Américas, 81531-980 Curitiba, PR, Brazil., Gouveia N; Instituto do Mar, Universidade Federal de São Paulo (IMAR-UNIFESP), Santos, SP, Brazil., Pont GD; Grupo Integrado de Aquicultura e Estudos Ambientais, Departamento de Zootecnia, Universidade Federal do Paraná, Rua dos Funcionários, 1540, Juvevê, 80035-050 Curitiba, PR, Brazil., Ostrensky A; Grupo Integrado de Aquicultura e Estudos Ambientais, Departamento de Zootecnia, Universidade Federal do Paraná, Rua dos Funcionários, 1540, Juvevê, 80035-050 Curitiba, PR, Brazil., Castro IB; Instituto do Mar, Universidade Federal de São Paulo (IMAR-UNIFESP), Santos, SP, Brazil.
Jazyk: angličtina
Zdroj: Marine pollution bulletin [Mar Pollut Bull] 2021 Mar; Vol. 164, pp. 112075. Date of Electronic Publication: 2021 Jan 27.
DOI: 10.1016/j.marpolbul.2021.112075
Abstrakt: Studies have shown that shell morphology and enzymatic activities in mollusks are affected by contaminants exposure. However, the correlation between enzymatic activities and the biomineralization process are not fully understood. The present study used a transplant bioassay and field sampling to evaluate shell measurements and the activities of carbonic anhydrase, Ca 2+ -ATPase, and Mg 2+ -ATPase in Lottia subrugosa sampled in Brazilian sites under different contamination levels. Results showed that, in general, shells from the reference site (Palmas) were more rounded than the ones from the contaminated site (Balsa). Effects in enzymatic activities in specimens from transplant bioassay were attributed to the known high contaminant levels present at Balsa. While the lack of enzymatic activity alterations during field sampling was attributed to physiological adaptation to contaminants exposure. Enzymatic activities were not correlated to shell biometric parameters in field sampling, indicating that these enzymes were not related to shell alterations detected in the present study.
(Copyright © 2021 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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