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

Autor(es)

Harayashiki, Cyntia Ayumi Yokota ^[1] ; Sadauskas-Henrique, Helen ^[2] ; Souza-Bastos, Luciana Rodrigues de ^[3] ; Gouveia, Nayara ^[1] ; Pont, Giorgi Dal ^[4] ; Ostrensky, Antonio ^[4] ; Castro, Italo Braga ^[1]

Afiliação do(s) autor(es)

^[1] Univ Fed Sao Paulo IMAR UNIFESP, Inst Mar, Santos, SP - Brazil

^[2] Univ Santa Cecilia Unisanta, Lab Organismos Marinhos & Costeiros LABOMAC, Santos, SP - Brazil

^[3] Inst Tecnol Desenvolvimento LACTEC, Lab Toxicol & Avaliacao Ambiental, Rodovia BR-116, Km 98, 8813 Jardim Amer, BR-81531980 Curitiba, PR - Brazil

^[4] Univ Fed Parana, Dept Zootecnia, Grp Integrado Aquicultura & Estudos Ambientais, Rua Funcionarios, 1540, BR-80035050 Curitiba, PR - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Marine Pollution Bulletin; v. 164, MAR 2021.
• Citações Web of Science: 0

Resumo

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, Ca2+-ATPase, and Mg2+-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. (AU)

• Processo FAPESP: 18/08015-0 - Alterações estruturais de conchas e respostas bioquímicas em lapas como biomarcadores de contaminação ambiental
• Beneficiário: Cyntia Ayumi Yokota Harayashiki
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado