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Arslan P, Gül G, Günal AÇ. How do biocidals affect the non-target marine organisms: the short-term effects of antifouling agent sodium pyrithione on Mediterranean mussels (Mytilus galloprovincialis, Lamark 1819). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:118332-118340. [PMID: 37910376 DOI: 10.1007/s11356-023-30611-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 10/18/2023] [Indexed: 11/03/2023]
Abstract
The metallic pyrithiones are used as antifouling paints for marine vehicles against fouling organisms. However, they are dissolved in marine water and have negative impacts on marine non-target organisms. This study evaluated the adverse effects of sodium pyrithione (NaPT) on Mytilus galloprovincialis using total hemocyte counts (THCs), oxidative stress and antioxidant parameters, and histopathological observations. Mussels were exposed to 0.1 and 1 μg/L NaPT for 96 h. The THC values of the NaPT-exposed mussels significantly decreased (p < 0.05). Lipid peroxidation and advanced oxidative protein products of digestive gland and gill tissues were decreased but only the digestive gland tissues of 0.1 μg/L NaPT values were significantly decreased compared to control groups (p < 0.05). Histological alterations were observed in the gill and the digestive gland tissues revealing malformations and hyperplasia of gill lamella; degenerations and loss of tubules of digestive gland after exposure to NaPT for 96 h. As a result, biocidal sodium pyrithione has adverse effects on the mussels even in short-term exposures and low concentrations.
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Affiliation(s)
- Pınar Arslan
- Biology Department, Faculty of Science, Çankırı Karatekin University, Çankırı, Türkiye.
| | - Göktuğ Gül
- Environmental Health and Environmental Sciences Program, Health Services Vocational School, Gazi University, Ankara, Türkiye
| | - Aysel Çağlan Günal
- Biology Education Department, Faculty of Gazi Education, Gazi University, Ankara, Türkiye
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La Porta G, Magara G, Goretti E, Caldaroni B, Dörr AJM, Selvaggi R, Pallottini M, Gardi T, Cenci-Goga BT, Cappelletti D, Elia AC. Applying Artificial Neural Networks to Oxidative Stress Biomarkers in Forager Honey Bees ( Apis mellifera) for Ecological Assessment. TOXICS 2023; 11:661. [PMID: 37624166 PMCID: PMC10459414 DOI: 10.3390/toxics11080661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/26/2023]
Abstract
Insect pollinators provide an important ecosystem service that supports global biodiversity and environmental health. The study investigates the effects of the environmental matrix on six oxidative stress biomarkers in the honey bee Apis mellifera. Thirty-five apiaries located in urban, forested, and agricultural areas in Central Italy were sampled during the summer season. Enzyme activities in forager bees were analyzed using an artificial neural network, allowing the identification and representation of the apiary patterns in a Self-Organizing Map. The SOM nodes were correlated with the environmental parameters and tissue levels of eight heavy metals. The results indicated that the apiaries were not clustered according to their spatial distribution. Superoxide dismutase expressed a positive correlation with Cr and Mn concentrations; catalase with Zn, Mn, Fe, and daily maximum air temperature; glutathione S-transferase with Cr, Fe, and daily maximal air temperature; and glutathione reductase showed a negative correlation to Ni and Fe exposure. This study highlights the importance of exploring how environmental stressors affect these insects and the role of oxidative stress biomarkers. Artificial neural networks proved to be a powerful approach to untangle the complex relationships between the environment and oxidative stress biomarkers in honey bees. The application of SOM modeling offers a valuable means of assessing the potential effects of environmental pressures on honey bee populations.
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Affiliation(s)
- Gianandrea La Porta
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Enzo Goretti
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Barbara Caldaroni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Ambrosius Josef Martin Dörr
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Roberta Selvaggi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Matteo Pallottini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Tiziano Gardi
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06126 Perugia, Italy
| | | | - David Cappelletti
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
| | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06126 Perugia, Italy (E.G.); (D.C.)
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Esposito G, Pastorino P, Prearo M, Magara G, Cesarani A, Freitas R, Caldaroni B, Meloni D, Pais A, Dondo A, Antuofermo E, Elia AC. Ecotoxicity of Copper(I) Chloride in Grooved Carpet Shell ( Ruditapes decussatus). Antioxidants (Basel) 2022; 11:2148. [PMID: 36358520 PMCID: PMC9686603 DOI: 10.3390/antiox11112148] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 09/29/2023] Open
Abstract
Copper (Cu) is a ubiquitous trace element in the aquatic environment, and is usually found at low levels. Copper environmental concentrations can be altered as a result anthropogenic activities. Shellfish are useful bioindicators to ensure adequate environmental monitoring. Thus, the aim of the present study was as follows: (a) determine the LC50 of copper(I) chloride in grooved carpet shell (Ruditapes decussatus) collected in the Santa Gilla lagoon (Sardinia, Italy), and (b) analyze the antioxidant biomarkers in digestive gland and gills of same specimens exposed to different concentrations of the above-mentioned metal (0.045, 0.45, and 0.90 mg/L) for 96 h. A withdrawal period of 96 h was considered for the treated clam, carrying out the same biochemical analyses, superoxide dismutase (SOD), catalase (CAT), selenium-dependent glutathione peroxidase (Se-GPx), glutathione S-transferases (GSTs), and total glutathione (GSH+2GSSG) in the two tissues. Different time and dose responses of the antioxidant biomarkers were recorded in the digestive glands and gills. Oxidative stress biomarkers highlighted the ability of Cu to induce oxidative stress in R. decussatus. Clam, following the withdrawal period of 96 h, has not been able to achieve the control levels of all biochemical markers in the digestive gland and gills. R. decussatus can be a suitable model to assess the ecotoxicity of copper in aquatic ecosystems. These findings may advance knowledge on the role and the effects of copper on oxidative stress biomarkers in grooved carpet shell. The metal ecotoxicity response can be useful to perform accurate biomarker-based monitoring programs using this bivalve species.
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Affiliation(s)
- Giuseppe Esposito
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Paolo Pastorino
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Alberto Cesarani
- Department of Agriculture, University of Sassari, 07100 Sassari, Italy
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Rosa Freitas
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Barbara Caldaroni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
| | - Domenico Meloni
- Department of Veterinary Medicine, University of Sassari, 07100 Sassari, Italy
| | - Antonio Pais
- Department of Agriculture, University of Sassari, 07100 Sassari, Italy
| | - Alessandro Dondo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d’Aosta, 10154 Torino, Italy
| | | | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
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