The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Polystyrene nanoplastics inhibit reproduction and induce abnormal embryonic development in the freshwater crustacean Daphnia galeata
Open accessAbstract
We assayed the toxicity of polystyrene nanoparticles (PS-NP, 52 nm) to Daphnia galeata. Survival and reproduction were significantly decreased in individuals exposed to 5 mg/L of PS-NP for 5 days, and embryos showed abnormal development, including a low hatching rate. Using fluorescence confocal microscopy, we recorded the transfer of PS-NP from the external surface of the body to the internal organs, including the thoracic appendices, ovaries, caudal appendices, and brood chamber, as well as PS-NP storage in lipid droplets. Although embryos were exposed to PS-NP in the brood chamber, they did not internalize PS-NP. Exposed D. galeata adults that were not pregnant stored significantly fewer lipid droplets than did the control group, and the lipid droplets that they did store were smaller; meanwhile, there were no significant changes in lipid storage in exposed pregnant individuals. Some embryos showed a high level of lipid storage, a response that occurs when embryos experience an abnormal state, and these embryos showed a very low hatching rate. However, the offspring of exposed adults showed normal survival and lipid storage. This study provides visual evidence that confirms the transfer and effects of PS-NP in Daphnia species, and suggests a relationship between toxicity and lipid storage.
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Metadata
- Authors
- Cui, R., Kim, S. W., & An, Y.-J.
- Venue
- Scientific Reports
- Published
- 2017-09-21
- Volume
- 7
- Issue
- 1
- Pages
- 12095-12095
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2755339940
- Cited by
- 255
- References
- 9
- FWCI
- 8.13
- Type
- journal article
- Language
- en
- Open access
- gold
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- Cui, R., Kim, S. W., & An, Y.-J. (2017). Polystyrene nanoplastics inhibit reproduction and induce abnormal embryonic development in the freshwater crustacean Daphnia galeata. Scientific Reports. https://doi.org/10.1038/s41598-017-12299-2
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