Cited by 2,263Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyMarine Ecology and Invasive Species

Ingested Microscopic Plastic Translocates to the Circulatory System of the Mussel, Mytilus edulis (L.)

Browne, Mark A., Dissanayake, Awantha, Galloway, Tamara S., Lowe, David M., Thompson, Richard C.·2008·Environmental Science & Technology

Abstract

Plastics debris is accumulating in the environment and is fragmenting into smaller pieces; as it does, the potential for ingestion by animals increases. The consequences of macroplastic debris for wildlife are well documented, however the impacts of microplastic (< 1 mm) are poorly understood. The mussel, Mytilus edulis, was used to investigate ingestion, translocation, and accumulation of this debris. Initial experiments showed that upon ingestion, microplastic accumulated in the gut. Mussels were subsequently exposed to treatments containing seawater and microplastic (3.0 or 9.6 microm). After transfer to clean conditions, microplastic was tracked in the hemolymph. Particles translocated from the gut to the circulatory system within 3 days and persisted for over 48 days. Abundance of microplastic was greatest after 12 days and declined thereafter. Smaller particles were more abundant than larger particles and our data indicate as plastic fragments into smaller particles, the potential for accumulation in the tissues of an organism increases. The short-term pulse exposure used here did not result in significant biological effects. However, plastics are exceedingly durable and so further work using a wider range of organisms, polymers, and periods of exposure will be required to establish the biological consequences of this debris.

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Crossref · 10.1021/es800249a

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Authors
Browne, M. A., Dissanayake, A., Galloway, T. S., Lowe, D. M., & Thompson, R. C.
Affiliations
University of Exeter (GB)
Corresponding author
Browne, Mark A.
Venue
Environmental Science & Technology
Published
2008-05-30
Volume
42
Issue
13
Pages
5026-5031
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W1967273901
Cited by
2,263
References
42
Citations by year
2026: 119 · 2025: 180 · 2024: 226 · 2023: 229 · 2022: 283 · 2021: 219 · 2020: 274 · 2019: 174 · 2018: 138 · 2017: 100 · 2016: 91 · 2015: 77 · 2014: 46 · 2013: 46 · 2012: 18
FWCI
13.45
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Leverhulme Trust
  • Natural Environment Research Council (pml010003)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine Ecology and Invasive Species
Keywords
microplastics, Mytilus edulis, mussels, plastic ingestion, hemolymph, cardiovascular system, particle size, plastic debris, marine pollution, bioaccumulation
MeSH terms
Analysis of Variance, Animals, Body Burden, Cardiovascular System, Gastrointestinal Contents, Particle Size, Plastics, Waste Products, Mytilus edulis

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