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Evaluation of oxidative stress caused by virgin and environmental microplastics in gilthead seabream (sparus aurata)

Zenodo (CERN European Organization for Nuclear Research) 2024
Molina Navarro, Álvaro Torres-Gómez, Ico Martinez, Paula Canada, Daniel Montero, Natacha Nogueira, Natacha Nogueira, May Gómez, May Gómez, Alicia Herrera, Alicia Herrera

Summary

Researchers evaluated oxidative stress responses in gilthead seabream (Sparus aurata) exposed to both virgin and environmentally collected microplastics, comparing the ecotoxicological effects of laboratory-grade particles against real-world contaminated samples to better reflect actual marine exposure conditions.

Oxidative stress arises when there is an imbalance between the production of reactive oxygen species and the body's antioxidant defenses. Microplastics (MPs), which are widespread plastic particles less than 5 mm in size, can potentially induce oxidative stress due to their physical and chemical hazards. While this issue has been explored in numerous studies over recent years, most research has concentrated on the effects of virgin or artificially contaminated MPs. Consequently, there is still much to learn about the impact of environmental microplastics (EMPs). Here, we investigated the effects of EMPs and virgin MPs on Sparus aurata juveniles. For this purpose, an 80-day experiment was conducted. Three different diets were supplied in triplicate: A (control), B (diet with 10 Also see: https://micro2024.sciencesconf.org/559457/document

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