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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Marine & Wildlife Nanoplastics Sign in to save

Ingestion and effects of micro- and nanoplastics in blue mussel (Mytilus edulis) larvae

Marine Pollution Bulletin 2019 107 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Sinja Rist, Sinja Rist, Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Nanna B. Hartmann, Rodrigo Almeda Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Rodrigo Almeda Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Rodrigo Almeda Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Sinja Rist, Sinja Rist, Rodrigo Almeda Sinja Rist, Sinja Rist, Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Anders Baun, Sinja Rist, Rodrigo Almeda Anders Baun, Rodrigo Almeda Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Anders Baun, Anders Baun, Anders Baun, Anders Baun, Anders Baun, Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Nanna B. Hartmann, Anders Baun, Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Sinja Rist, Rodrigo Almeda Anders Baun, Nanna B. Hartmann, Rodrigo Almeda Nanna B. Hartmann, Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Sinja Rist, Anders Baun, Nanna B. Hartmann, Sinja Rist, Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Anders Baun, Anders Baun, Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Nanna B. Hartmann, Anders Baun, Rodrigo Almeda Rodrigo Almeda Nanna B. Hartmann, Sinja Rist, Nanna B. Hartmann, Sinja Rist, Nanna B. Hartmann, Anders Baun, Rodrigo Almeda Rodrigo Almeda Nanna B. Hartmann, Nanna B. Hartmann, Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Rodrigo Almeda Sinja Rist, Anders Baun, Rodrigo Almeda

Summary

Blue mussel larvae were exposed to 100 nm and 2 μm polystyrene beads and microplastics were found to remain inside larvae despite active egestion, with growth unaffected but the proportion of abnormally developed larvae increasing at the highest polystyrene concentration (282 μg/L). The findings suggest that early developmental stages of mussels can be harmed by microplastic exposure at concentrations relevant to polluted coastal areas.

It is well known that mussels are exposed to microplastics but ingestion and potential effects on mussel larvae are not well understood. We quantified ingestion and egestion of 100 nm and 2 μm polystyrene beads in blue mussel larvae after 4 h exposure and 16 h depuration using different plastic-to-microalgae ratios. Effects on growth and development of mussel larvae were investigated at 0.42, 28.2 and 282 μgL within 15 days of exposure. We found that, on a mass basis, larvae ingested a higher amount of 2 μm than 100 nm beads, while egestion was independent of particle size and the plastics-to-algae ratio. Although particle egestion occurred readily, microplastics remained inside the larvae. Larval growth was not affected but abnormally developed larvae increased after exposure to polystyrene beads. Malformations were more pronounced for 100 nm beads, at higher concentration and after longer exposure time.

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