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Investigating the combined effects of microplastics and suspended sediment on mussels in controlled experimental conditions.
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Researchers investigated the combined effects of microplastics and suspended sediment on mussels under controlled experimental conditions, examining how co-exposure to these two particulates alters physiological responses compared to single-stressor exposures. The study addressed interactions between two common aquatic stressors to better predict realistic environmental impacts on filter-feeding bivalves.
Microplastics (MPs) ( Also see: https://micro2024.sciencesconf.org/559342/document
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Investigating the combined effects of microplastics and suspended sediment on mussels in controlled experimental conditions.
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Researchers investigated the combined effects of microplastics and suspended sediment on mussels under controlled experimental conditions, examining how simultaneous exposure to both stressors affects physiological responses compared to exposure to either stressor alone.
Exploring the effect of microparticles on bivalves: Exposure of Mytilus galloprovincialis and Ruditapes philippinarum to both microplastics and silt
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Researchers exposed mussels and clams to polyethylene microplastics, natural silt particles, and a combination of both, finding that the mixture caused significantly worse mortality and oxidative stress than either substance alone. Clams were more sensitive to microplastic exposure than mussels, while mussels retained more microplastics in their tissues. The study reveals that the combined presence of natural sediment particles and microplastics in coastal waters creates synergistic harmful effects on filter-feeding shellfish that are greater than the sum of individual exposures.
Elucidating the consequences of the co-exposure of microplastics jointly to other pollutants in bivalves: A review
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This review examines studies on the combined effects of microplastics and other pollutants in bivalves, finding that co-exposure often modifies individual toxicant effects and highlighting bivalves as important sentinel species for monitoring complex environmental contamination.
Microplastics can aggravate the impact of ocean acidification on the health of mussels: Insights from physiological performance, immunity and byssus properties
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Researchers found that the combination of ocean acidification and microplastic exposure weakened mussel immune systems, reduced feeding performance, and degraded the quality of byssus threads used for attachment. The study suggests that co-occurring ocean acidification and microplastic pollution could increase the vulnerability of bivalves to disease and dislodgement, threatening their survival in future marine environments.
Immunotoxicity of petroleum hydrocarbons and microplastics alone or in combination to a bivalve species: Synergic impacts and potential toxication mechanisms
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Marine mussels exposed to petroleum hydrocarbons and microplastics separately and together showed that combined exposure caused greater immune suppression and lysosomal damage than either stressor alone, identifying oxidative stress pathways as a key mechanism of joint toxicity.
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