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Accumulation of polybrominated diphenyl ethers and microbiome response in the great pond snail Lymnaea stagnalis with exposure to nylon (polyamide) microplastics

Accumulation of polybrominated diphenyl ethers and microbiome response in the great pond snail Lymnaea stagnalis with exposure to nylon (polyamide) microplastics
Accumulation of polybrominated diphenyl ethers and microbiome response in the great pond snail Lymnaea stagnalis with exposure to nylon (polyamide) microplastics
Microplastics attract widespread attention, including for their potential to transport toxic chemicals in the form of plasticisers and associated hydrophobic organic chemicals, such as polybrominated diphenyl ethers (PBDEs). The aims of this study were to investigate how nylon (polyamide) microplastics may affect PBDE accumulation in snails, and the acute effects of nylon particles and PBDEs on survival, weight change and inherent microbiome diversity and community composition of the pond snail Lymnaea stagnalis. Snails were exposed for 96 h to BDEs-47, 99, 100 and 153 in the presence and absence of 1% w/w nylon microplastics in quartz sand sediment. No mortality was observed over the exposure period. Snails not exposed to microplastics lost significantly more weight compared to those exposed to microplastics. Increasing PBDE concentration in the sediment resulted in an increased PBDE body burden in the snails, however microplastics did not significantly influence total PBDE uptake. Based on individual congeners, uptake of BDE 47 by snails was significantly reduced in the presence of microplastics. The diversity and composition of the snail microbiome was not significantly altered by the presence of PBDEs nor by the microplastics, singly or combined. Significant effects on a few individual operational taxonomic units (OTUs) occurred when comparing the highest PBDE concentration with the control treatment, but in the absence of microplastics only. Overall within these acute experiments, only subtle effects on weight loss and slight microbiome alterations occurred. These results therefore highlight that L. stagnalis are resilient to acute exposures to microplastics and PBDEs, and that microplastics are unlikely to influence HOC accumulation or the microbiome of this species over short timescales.
Bacteria, Flame retardants, Microbiology, Organic chemicals, PBDEs, Plastic
0147-6513
1-11
Horton, Alice A.
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Newbold, Lindsay K.
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Palacio-cortés, Angela M.
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Spurgeon, David J.
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Pereira, M. Glória
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Carter, Heather
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Gweon, Hyun S.
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Vijver, Martina G.
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Van Bodegom, Peter M.
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Navarro Da Silva, Mario Antonio
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Lahive, Elma
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Horton, Alice A.
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Newbold, Lindsay K.
c3c8e8dc-8fed-4e81-acde-aba10361dfdc
Palacio-cortés, Angela M.
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Spurgeon, David J.
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Pereira, M. Glória
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Carter, Heather
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Gweon, Hyun S.
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Vijver, Martina G.
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Van Bodegom, Peter M.
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Navarro Da Silva, Mario Antonio
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Lahive, Elma
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Horton, Alice A., Newbold, Lindsay K., Palacio-cortés, Angela M., Spurgeon, David J., Pereira, M. Glória, Carter, Heather, Gweon, Hyun S., Vijver, Martina G., Van Bodegom, Peter M., Navarro Da Silva, Mario Antonio and Lahive, Elma (2020) Accumulation of polybrominated diphenyl ethers and microbiome response in the great pond snail Lymnaea stagnalis with exposure to nylon (polyamide) microplastics. Ecotoxicology and Environmental Safety, 188, 1-11, [109882]. (doi:10.1016/j.ecoenv.2019.109882).

Record type: Article

Abstract

Microplastics attract widespread attention, including for their potential to transport toxic chemicals in the form of plasticisers and associated hydrophobic organic chemicals, such as polybrominated diphenyl ethers (PBDEs). The aims of this study were to investigate how nylon (polyamide) microplastics may affect PBDE accumulation in snails, and the acute effects of nylon particles and PBDEs on survival, weight change and inherent microbiome diversity and community composition of the pond snail Lymnaea stagnalis. Snails were exposed for 96 h to BDEs-47, 99, 100 and 153 in the presence and absence of 1% w/w nylon microplastics in quartz sand sediment. No mortality was observed over the exposure period. Snails not exposed to microplastics lost significantly more weight compared to those exposed to microplastics. Increasing PBDE concentration in the sediment resulted in an increased PBDE body burden in the snails, however microplastics did not significantly influence total PBDE uptake. Based on individual congeners, uptake of BDE 47 by snails was significantly reduced in the presence of microplastics. The diversity and composition of the snail microbiome was not significantly altered by the presence of PBDEs nor by the microplastics, singly or combined. Significant effects on a few individual operational taxonomic units (OTUs) occurred when comparing the highest PBDE concentration with the control treatment, but in the absence of microplastics only. Overall within these acute experiments, only subtle effects on weight loss and slight microbiome alterations occurred. These results therefore highlight that L. stagnalis are resilient to acute exposures to microplastics and PBDEs, and that microplastics are unlikely to influence HOC accumulation or the microbiome of this species over short timescales.

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More information

Accepted/In Press date: 25 October 2019
e-pub ahead of print date: 4 November 2019
Published date: 30 January 2020
Additional Information: Copyright © 2019 Elsevier Inc. All rights reserved.
Keywords: Bacteria, Flame retardants, Microbiology, Organic chemicals, PBDEs, Plastic

Identifiers

Local EPrints ID: 438372
URI: http://eprints.soton.ac.uk/id/eprint/438372
ISSN: 0147-6513
PURE UUID: 5d7104cf-cf64-4a01-a751-1bd7e5941099

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Date deposited: 06 Mar 2020 17:34
Last modified: 16 Mar 2024 05:21

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Contributors

Author: Alice A. Horton
Author: Lindsay K. Newbold
Author: Angela M. Palacio-cortés
Author: David J. Spurgeon
Author: M. Glória Pereira
Author: Heather Carter
Author: Hyun S. Gweon
Author: Martina G. Vijver
Author: Peter M. Van Bodegom
Author: Mario Antonio Navarro Da Silva
Author: Elma Lahive

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