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Anthropogenic electromagnetic fields and their influence on growth, humoral Immunity, and metal concentrations in gilthead seabream (Sparus aurata)

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dc.contributor.authorOrtiz García, María
dc.contributor.authorGarcía Gamuz, José Antonio
dc.contributor.authorMartínez López, Salvadora
dc.contributor.authorEsteban Abad, María de los Ángeles
dc.contributor.departmentBiología Celular e Histología
dc.contributor.otherFacultad de Biología
dc.date.accessioned2026-02-09T11:25:38Z
dc.date.available2026-02-09T11:25:38Z
dc.date.issued2026-01-27
dc.description.abstractThe increasing presence of extremely low-frequency electromagnetic fields (ELF-EMF) in marine environments, driven by human activities and climate change, poses a potential risk to aquatic organisms. This study investigated the physiological and immunological effects of ELF-EMF exposure on gilthead seabream (Sparus aurata), a key species in Mediterranean aquaculture. Fish were exposed to ELF-EMF for one or three weeks, and their growth, serum immune parameters (peroxidase and lysozyme activities), and tissue chemical elements were compared with those of unexposed controls. No significant differences were observed in fish weight, length, or serum immune parameters between the exposed and control groups at any time point. However, a significant reduction in liver cadmium (Cd) levels was detected in fish exposed to ELF-EMF for three weeks, suggesting potential modulation of metal detoxification pathways. The concentrations of other elements, including arsenic (As), lead (Pb), iron (Fe), manganese (Mn), copper (Cu), and zinc (Zn), showed minor changes in various tissues. The levels of sodium (Na), magnesium (Mg), calcium (Ca), and potassium (K) were altered in some tissues after one week of ELF-EMF exposure but generally returned to control levels after three weeks. These findings indicate that short-term ELF-EMF exposure does not significantly affect growth or innate immunity in gilthead seabream under the tested conditions. The observed alterations in tissue levels of toxic and trace elements, as well as macronutrients, indicate potential interactions between ELF-EMF, metal homeostasis, and detoxification mechanisms, necessitating further investigation. This study contributes to the understanding of the effects of anthropogenic ELF-EMF on marine organisms and highlights the need for continued research to assess the long-term ecological implications of increasing ELF-EMF levels in aquatic environments.
dc.formatapplication/vnd.ms-excel
dc.identifier.urihttp://hdl.handle.net/10201/202001
dc.languageeng
dc.publisherElsevier
dc.relationMaría Ortiz is the recipient of a pre-doctoral grant (22303/FPI/23) awarded by the Fundación Séneca de la Región de Murcia (Spain). This work was financed by the RADIAc project of the ThinkInAzul program supported by the MCIN with funding from the European Union Next Generation EU (PRTR-C17.I1) and by the Comunidad Autónoma de la Región de Murcia-Fundación Séneca (Spain).
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectElectromagnetic fields (EMF)
dc.subjectChemical elements homeostasis
dc.subjectDetoxification
dc.subjectGilthead seabream (Sparus aurata)
dc.subject.odsObjetivo 14: Océanos
dc.titleAnthropogenic electromagnetic fields and their influence on growth, humoral Immunity, and metal concentrations in gilthead seabream (Sparus aurata)
dc.typeinfo:eu-repo/semantics/dataset
dc.type.versioninfo:eu-repo/semantics/publishedVersion
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relation.isAuthorOfPublication.latestForDiscoverya132dcfb-ad9c-488d-9752-4db380e37628
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