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Patterns, dynamics and consequences of microplastic ingestion by the temperate coral, Astrangia poculata.
Proc Biol Sci. 2019 06 26; 286(1905):20190726.PB

Abstract

Microplastics (less than 5 mm) are a recognized threat to aquatic food webs because they are ingested at multiple trophic levels and may bioaccumulate. In urban coastal environments, high densities of microplastics may disrupt nutritional intake. However, behavioural dynamics and consequences of microparticle ingestion are still poorly understood. As filter or suspension feeders, benthic marine invertebrates are vulnerable to microplastic ingestion. We explored microplastic ingestion by the temperate coral Astrangia poculata. We detected an average of over 100 microplastic particles per polyp in wild-captured colonies from Rhode Island. In the laboratory, corals were fed microbeads to characterize ingestion preference and retention of microplastics and consequences on feeding behaviour. Corals were fed biofilmed microplastics to test whether plastics serve as vectors for microbes. Ingested microplastics were apparent within the mesenterial tissues of the gastrovascular cavity. Corals preferred microplastic beads and declined subsequent offerings of brine shrimp eggs of the same diameter, suggesting that microplastic ingestion can inhibit food intake. The corals co-ingested Escherichia coli cells with microbeads. These findings detail specific mechanisms by which microplastics threaten corals, but also hint that the coral A. poculata, which has a large coastal range, may serve as a useful bioindicator and monitoring tool for microplastic pollution.

Authors+Show Affiliations

1 Department of Biology, Boston University , 5 Cummington Mall, Boston, MA 02215 , USA. 2 New England Aquarium , 1 Central Wharf, Boston, MA 02110 , USA. 3 School for the Environment, UMass Boston , 100 William T Morrissey Boulevard, Boston, MA 02125 , USA.4 Department of Biology, Marine Biology, and Environmental Sciences, Roger Williams University , 1 Old Ferry Road, Bristol, RI 02809 , USA.1 Department of Biology, Boston University , 5 Cummington Mall, Boston, MA 02215 , USA. 5 Division of Gastroenterology, Boston Children's Hospital and Harvard Medical School , 300 Longwood Avenue, Boston, MA 02115 , USA.1 Department of Biology, Boston University , 5 Cummington Mall, Boston, MA 02215 , USA. 2 New England Aquarium , 1 Central Wharf, Boston, MA 02110 , USA.2 New England Aquarium , 1 Central Wharf, Boston, MA 02110 , USA. 3 School for the Environment, UMass Boston , 100 William T Morrissey Boulevard, Boston, MA 02125 , USA.3 School for the Environment, UMass Boston , 100 William T Morrissey Boulevard, Boston, MA 02125 , USA.5 Division of Gastroenterology, Boston Children's Hospital and Harvard Medical School , 300 Longwood Avenue, Boston, MA 02115 , USA.3 School for the Environment, UMass Boston , 100 William T Morrissey Boulevard, Boston, MA 02125 , USA.

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

31238843

Citation

Rotjan, Randi D., et al. "Patterns, Dynamics and Consequences of Microplastic Ingestion By the Temperate Coral, Astrangia Poculata." Proceedings. Biological Sciences, vol. 286, no. 1905, 2019, p. 20190726.
Rotjan RD, Sharp KH, Gauthier AE, et al. Patterns, dynamics and consequences of microplastic ingestion by the temperate coral, Astrangia poculata. Proc Biol Sci. 2019;286(1905):20190726.
Rotjan, R. D., Sharp, K. H., Gauthier, A. E., Yelton, R., Lopez, E. M. B., Carilli, J., Kagan, J. C., & Urban-Rich, J. (2019). Patterns, dynamics and consequences of microplastic ingestion by the temperate coral, Astrangia poculata. Proceedings. Biological Sciences, 286(1905), 20190726. https://doi.org/10.1098/rspb.2019.0726
Rotjan RD, et al. Patterns, Dynamics and Consequences of Microplastic Ingestion By the Temperate Coral, Astrangia Poculata. Proc Biol Sci. 2019 06 26;286(1905):20190726. PubMed PMID: 31238843.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Patterns, dynamics and consequences of microplastic ingestion by the temperate coral, Astrangia poculata. AU - Rotjan,Randi D, AU - Sharp,Koty H, AU - Gauthier,Anna E, AU - Yelton,Rowan, AU - Lopez,Eliya M Baron, AU - Carilli,Jessica, AU - Kagan,Jonathan C, AU - Urban-Rich,Juanita, Y1 - 2019/06/26/ PY - 2020/06/26/pmc-release PY - 2019/6/27/entrez PY - 2019/6/27/pubmed PY - 2020/5/19/medline KW - biofilm KW - bioindicator KW - coral KW - microplastic KW - pollution SP - 20190726 EP - 20190726 JF - Proceedings. Biological sciences JO - Proc. Biol. Sci. VL - 286 IS - 1905 N2 - Microplastics (less than 5 mm) are a recognized threat to aquatic food webs because they are ingested at multiple trophic levels and may bioaccumulate. In urban coastal environments, high densities of microplastics may disrupt nutritional intake. However, behavioural dynamics and consequences of microparticle ingestion are still poorly understood. As filter or suspension feeders, benthic marine invertebrates are vulnerable to microplastic ingestion. We explored microplastic ingestion by the temperate coral Astrangia poculata. We detected an average of over 100 microplastic particles per polyp in wild-captured colonies from Rhode Island. In the laboratory, corals were fed microbeads to characterize ingestion preference and retention of microplastics and consequences on feeding behaviour. Corals were fed biofilmed microplastics to test whether plastics serve as vectors for microbes. Ingested microplastics were apparent within the mesenterial tissues of the gastrovascular cavity. Corals preferred microplastic beads and declined subsequent offerings of brine shrimp eggs of the same diameter, suggesting that microplastic ingestion can inhibit food intake. The corals co-ingested Escherichia coli cells with microbeads. These findings detail specific mechanisms by which microplastics threaten corals, but also hint that the coral A. poculata, which has a large coastal range, may serve as a useful bioindicator and monitoring tool for microplastic pollution. SN - 1471-2954 UR - https://www.unboundmedicine.com/medline/citation/31238843/Patterns_dynamics_and_consequences_of_microplastic_ingestion_by_the_temperate_coral_Astrangia_poculata_ L2 - https://royalsocietypublishing.org/doi/full/10.1098/rspb.2019.0726?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -