{"id":31107,"date":"2014-09-17T21:58:52","date_gmt":"2014-09-17T19:58:52","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2014\/09\/17\/uptake-and-retention-of-microplastics-by-the-shore-crab-carcinus-maenas\/"},"modified":"2014-09-17T21:58:52","modified_gmt":"2014-09-17T19:58:52","slug":"uptake-and-retention-of-microplastics-by-the-shore-crab-carcinus-maenas","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/uptake-and-retention-of-microplastics-by-the-shore-crab-carcinus-maenas\/","title":{"rendered":"Uptake and Retention of Microplastics by the Shore Crab Carcinus maenas"},"content":{"rendered":"
http:\/\/dx.doi.org\/10.1021\/es501090e<\/a>\n\nAndrew J. R. Watts, Ceri Lewis, Rhys M. Goodhead, Stephen J. Beckett,\nJulian Moger, Charles R. Tyler, and Tamara S. Galloway\nUptake and Retention of Microplastics by the Shore Crab Carcinus maenas\nEnviron. Sci. Technol., 2014, 48 (15), pp 8823?8830\nDOI: 10.1021\/es501090e\n\nAbstract\nMicroplastics, plastics particles <5 mm in length, are a widespread\npollutant of the marine environment. Oral ingestion of microplastics has\nbeen reported for a wide range of marine biota, but uptake into the body\nby other routes has received less attention. Here, we test the\nhypothesis that the shore crab (Carcinus maenas) can take up\nmicroplastics through inspiration across the gills as well as ingestion\nof pre-exposed food (common mussel Mytilus edulis). We used\nfluorescently labeled polystyrene microspheres (8?10 ?m) to show that\ningested microspheres were retained within the body tissues of the crabs\nfor up to 14 days following ingestion and up to 21 days following\ninspiration across the gill, with uptake significantly higher into the\nposterior versus anterior gills. Multiphoton imaging suggested that most\nmicrospheres were retained in the foregut after dietary exposure due to\nadherence to the hairlike setae and were found on the external surface\nof gills following aqueous exposure. Results were used to construct a\nsimple conceptual model of particle flow for the gills and the gut.\nThese results identify ventilation as a route of uptake of microplastics\ninto a common marine nonfilter feeding species.<\/pre>\n","protected":false},"excerpt":{"rendered":"
http:\/\/dx.doi.org\/10.1021\/es501090e Andrew J. R. Watts, Ceri Lewis, Rhys M. Goodhead, Stephen J. Beckett, Julian Moger, Charles R. Tyler, and Tamara S. Galloway Uptake and Retention of Microplastics by the Shore Crab Carcinus maenas Environ. Sci. Technol., 2014, 48 (15), pp 8823?8830 DOI: 10.1021\/es501090e Abstract Microplastics, plastics particles <5 mm in length, are a widespread pollutant of the marine environment. Oral ingestion of microplastics has been reported for a wide range of marine biota, but uptake into the body by other routes has received less attention. Here, we test the hypothesis that the shore crab (Carcinus maenas) can take up microplastics through inspiration across the gills as well as ingestion of pre-exposed food (common mussel Mytilus edulis). We used fluorescently labeled polystyrene microspheres (8?10 ?m) to show that ingested microspheres were retained within the body tissues of the crabs for up to 14 days following ingestion and up to 21 days following inspiration across the gill, with uptake significantly higher into the posterior versus anterior gills. Multiphoton imaging suggested that most microspheres were retained in the foregut after dietary exposure due to adherence to the hairlike setae and were found on the external surface of gills following aqueous exposure. Results were used to construct a simple conceptual model of particle flow for the gills and the gut. These results identify ventilation as a route of uptake of microplastics into a common marine nonfilter feeding species.<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3504,3492,3423],"tags":[1445,3535],"yoast_head":"\nUptake and Retention of Microplastics by the Shore Crab Carcinus maenas - One Earth - One Ocean e. V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/uptake-and-retention-of-microplastics-by-the-shore-crab-carcinus-maenas\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uptake and Retention of Microplastics by the Shore Crab Carcinus maenas - One Earth - One Ocean e. V.\" \/>\n<meta property=\"og:description\" content=\"http:\/\/dx.doi.org\/10.1021\/es501090e Andrew J. R. Watts, Ceri Lewis, Rhys M. Goodhead, Stephen J. Beckett, Julian Moger, Charles R. Tyler, and Tamara S. Galloway Uptake and Retention of Microplastics by the Shore Crab Carcinus maenas Environ. Sci. Technol., 2014, 48 (15), pp 8823?8830 DOI: 10.1021\/es501090e Abstract Microplastics, plastics particles <5 mm in length, are a widespread pollutant of the marine environment. Oral ingestion of microplastics has been reported for a wide range of marine biota, but uptake into the body by other routes has received less attention. Here, we test the hypothesis that the shore crab (Carcinus maenas) can take up microplastics through inspiration across the gills as well as ingestion of pre-exposed food (common mussel Mytilus edulis). We used fluorescently labeled polystyrene microspheres (8?10 ?m) to show that ingested microspheres were retained within the body tissues of the crabs for up to 14 days following ingestion and up to 21 days following inspiration across the gill, with uptake significantly higher into the posterior versus anterior gills. Multiphoton imaging suggested that most microspheres were retained in the foregut after dietary exposure due to adherence to the hairlike setae and were found on the external surface of gills following aqueous exposure. Results were used to construct a simple conceptual model of particle flow for the gills and the gut. These results identify ventilation as a route of uptake of microplastics into a common marine nonfilter feeding species.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/uptake-and-retention-of-microplastics-by-the-shore-crab-carcinus-maenas\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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