Cited by 1,160Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Microplastic Moves Pollutants and Additives to Worms, Reducing Functions Linked to Health and Biodiversity

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Browne, Mark Anthony, Niven, Stewart J., Galloway, Tamara S., Rowland, Steve J., Thompson, Richard C.·2013·Current Biology

Abstract

Inadequate products, waste management, and policy are struggling to prevent plastic waste from infiltrating ecosystems [1, 2]. Disintegration into smaller pieces means that the abundance of micrometer-sized plastic (microplastic) in habitats has increased [3] and outnumbers larger debris [2, 4]. When ingested by animals, plastic provides a feasible pathway to transfer attached pollutants and additive chemicals into their tissues [5-15]. Despite positive correlations between concentrations of ingested plastic and pollutants in tissues of animals, few, if any, controlled experiments have examined whether ingested plastic transfers pollutants and additives to animals. We exposed lugworms (Arenicola marina) to sand with 5% microplastic that was presorbed with pollutants (nonylphenol and phenanthrene) and additive chemicals (Triclosan and PBDE-47). Microplastic transferred pollutants and additive chemicals into gut tissues of lugworms, causing some biological effects, although clean sand transferred larger concentrations of pollutants into their tissues. Uptake of nonylphenol from PVC or sand reduced the ability of coelomocytes to remove pathogenic bacteria by >60%. Uptake of Triclosan from PVC diminished the ability of worms to engineer sediments and caused mortality, each by >55%, while PVC alone made worms >30% more susceptible to oxidative stress. As global microplastic contamination accelerates, our findings indicate that large concentrations of microplastic and additives can harm ecophysiological functions performed by organisms.

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Crossref · 10.1016/j.cub.2013.10.012

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Authors
Browne, M. A., Niven, S. J., Galloway, T. S., Rowland, S. J., & Thompson, R. C.
Affiliations
  • University of California, Santa Barbara (US)
  • University of Plymouth (GB)
  • University of Exeter (GB)
Corresponding author
Browne, Mark Anthony
Venue
Current Biology
Publisher
Elsevier BV
Published
2013-12
Volume
23
Issue
23
Pages
2388-2392
ISSN
0960-9822 (ISSN-L)
OpenAlex
W1975771948
Cited by
1,160
References
38
Citations by year
2026: 51 · 2025: 85 · 2024: 92 · 2023: 116 · 2022: 131 · 2021: 147 · 2020: 145 · 2019: 109 · 2018: 93 · 2017: 57 · 2016: 70 · 2015: 45 · 2014: 18 · 2012: 1
FWCI
34.74
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Open Research Exeter (University of Exeter) (acceptedVersion)
  • Figshare (submittedVersion)
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 › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords
microplastic ingestion, pollutant transfer, polymer additives, lugworm, Arenicola marina, nonylphenol, phenanthrene, triclosan, BDE-47, PVC, oxidative stress, plastic waste, marine invertebrates
MeSH terms
Animals, Eating, Environmental Monitoring, Intestinal Absorption, Phenanthrenes, Phenols, Plastics, Polychaeta, Polyvinyl Chloride, Refuse Disposal, Silicon Dioxide, Tissue Distribution, Triclosan, Water Pollutants, Oxidative Stress, Geologic Sediments, Gastrointestinal Tract, Biodiversity, Halogenated Diphenyl Ethers

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