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Biological impacts of bio-based and compostable microplastics on blue mussels (Mytilus edulis)
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No abstract content was provided for this study, so its specific findings on blue mussels and bio-based, compostable microplastics cannot be summarized here.
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Fragment-Shaped Microplastics Induce Size- and Polymer-Dependent Physiological and Gut Microbial Responses in Mytilus edulis
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Blue mussels were exposed to fragment-shaped microplastics of different sizes and polymer types in a lab study. Researchers measured how the plastics built up in the mussels and how this affected their physiology and gut bacteria, finding that responses varied depending on microplastic size and polymer type.
Are bio-based and biodegradable microplastics impacting for blue mussel (Mytilus edulis)?
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Researchers tested whether polylactic acid microplastics, a bio-based and biodegradable alternative to conventional plastics, cause toxicity in blue mussels over eight days of exposure. Standard biomarkers for oxidative stress, neurotoxicity, and immunotoxicity showed no significant effects. However, metabolomic analysis revealed changes in glycerophospholipid levels, suggesting subtle biochemical alterations that warrant further investigation into the safety of biodegradable microplastics in marine environments.
Exposure to microplastics reduces attachment strength and alters the haemolymph proteome of blue mussels (Mytilus edulis)
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Researchers found that blue mussels exposed to polyethylene microplastics for 52 days produced fewer attachment threads and lost about 50% of their grip strength. Both conventional and biodegradable microplastics altered proteins in the mussels' blood involved in immune regulation, metabolism, and structural development, suggesting microplastics could undermine reef formation.
Quantification and characterization of microplastics in blue mussels (Mytilus edulis): protocol setup and preliminary data on the contamination of the French Atlantic coast
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Researchers quantified and characterized microplastics in blue mussels from a study site, finding microplastics in a large proportion of sampled individuals and documenting the types and sizes of particles present.
Microplastics in blue mussels (Mytilus edulis) : does mussel size and distribution affect the number of microplastic particles found in the mussels?
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Researchers collected 213 blue mussels from three sites in the Oslo fjord to investigate whether mussel body size affects the number of microplastic particles found in their tissues. They found microplastics in mussels across size classes, with differences in particle counts between sites and size groups. The study contributes to understanding how mussel size and sampling location affect microplastic bioaccumulation in this commonly used sentinel species.
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