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RESEARCH ARTICLE

Effects of metal accumulation on oxidative metabolism of Mytilus edulis, a commercially relevant mussel in northern Patagonia, Argentina

Sebastián E. Sabatini https://orcid.org/0000-0003-3969-6829 A B * , Tatiana Noya Abad https://orcid.org/0000-0001-9987-731X A C , Magalí Leis B , Yanina S. Minaberry D , María Soledad Yusseppone E , Henrique Knack de Almeida A , Griselda Genovese F G # and Javier A. Calcagno C #
+ Author Affiliations
- Author Affiliations

A Laboratorio de Enzimología, Estrés Oxidativo y Metabolismo (LEEM), Departamento de Química Biológica, IQUIBICEN, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.

B Departamento de Biodiverdidad y Biología Experimental (DBBE), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.

C Centro de Ciencias Naturales, Ambientales y Antropológicas (CCNAA), Universidad Maimónides, Buenos Aires, Argentina.

D Departamento de Química Inorgánica, Analítica y Química Física (INQUIMAE), CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.

E Instituto de Investigaciones Marinas y Costeras (IIMyC), CONICET, Universidad Nacional de Mar del Plata (UNMDP), Mar del Plata, Argentina.

F Laboratorio de Ecotoxicología Acuática, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.

G Instituto de Biodiversidad y Biología Experimental (IBBEA) CONICET–Universidad de Buenos Aires, Buenos Aires, Argentina.

* Correspondence to: sabatini@bg.fcen.uba.ar
# These authors contributed equally to this paper

Handling Editor: Donald Baird

Marine and Freshwater Research 74(2) 144-156 https://doi.org/10.1071/MF22173
Submitted: 30 August 2022  Accepted: 6 December 2022   Published: 10 January 2023

© 2023 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

Context: Bivalve fishery represents an important socio-economic resource in Río Negro province, and Mytilus platensis is the main exploited species. Thus, biomonitoring trace metals in this mussel is particularly relevant for both environmental protection and human consumption.

Aim: Anthropogenic pollution and its environmental impact on mussels were experimentally evaluated in situ in two coastline sites of northern Patagonia.

Methods: Trace metal concentrations were quantified in the water of a harbour area (Port of San Antonio Este) and a reference site (Isla Mejillón), an extraction location of M. platensis, were quantified. Metal accumulation and its effects on metabolic parameters were also measured in mussels.

Results: Higher concentrations of chromium, nickel and zinc in water were registered in the harbour, along with copper and chromium in gills, digestive gland and mantle of M. platensis, were registered in the harbour. Furthermore, superoxide dismutase activity was augmented, whereas glutathione concentration was reduced in the digestive gland and mantle of mussels from that area. Moreover, the highest glutathione-S-transferase activities in mantle and lipid peroxidation, regardless of organ, were also found there.

Conclusion: The harbour area has a negative effect on M. platensis and its effects on metal accumulation and oxidative imbalance are organ-specific.

Implication: This work provided new insights into metal uptake of a commercialised mussel in a realistic environment in Río Negro province.

Keywords: antioxidants, chromium, copper, lipid peroxidation, metal accumulation, mussels, nickel, oxidative balance, San Antonio Bay, zinc.


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