Effects of microplastics and phenanthrene on gut microbiome and metabolome alterations in the marine medaka Oryzias melastigma
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Title
- Effects of microplastics and phenanthrene on gut microbiome and metabolome alterations in the marine medaka Oryzias melastigma
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Author(s)
- Byeon, Eunjin; Jeong, Haksoo; Lee, Yeon Ju; Cho, Yeon Woo; Lee, Kyun Woo; Lee, Euihyeon; Jeong, Chang-Bum; Lee, Jae-Seong; Kang, Hye Min
- KIOST Author(s)
- Lee, Yeon Ju(이연주); Lee, Kyun Woo(이균우); Lee, Eui Hyeon(이의현); Kang, Hye Min(강혜민)
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Alternative Author(s)
- 이연주; 조연우; 이균우; 이의현; 강혜민
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Publication Year
- 2024-01
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Abstract
- Plastic pollution of the oceans is increasing, and toxic interactions between microplastics (MPs) and organic pollutants have become a major environmental concern. However, the combined effects of organic pollutants and MPs on microbiomes and metabolomes have not been studied extensively. In the present study, to evaluate whether MPs and phenanthrene (Phe) act synergistically in the guts of marine medaka (Oryzias melastigma), we performed toxicity assessments, 16 S rRNA gene sequencing, and liquid chromatography-tandem mass spectrometry (LC-MS/MS) analyses. Our investigations revealed increased toxicity induced by Phe, as well as disturbances in gut microbiota (known as dysbiosis) when MPs were present. Furthermore, combined exposure to Phe and MPs resulted in greater alterations to microbiota composition and metabolite profiles. Notably, MP exposure was distinctly associated with the abundance of Shewanella and Spongiibacteraceae, while Phe exposure was associated with the abundance of Marimicrobium. Among key microbiota, Marimicrobium and Roseibacillus were significantly correlated with metabolites responsible for coenzyme A and glycerophospholipid metabolism in medaka. These results suggest that interactions between Phe and MPs may have significant effects on the gut microbiota and metabolism of aquatic organisms and underscore the importance of acknowledging the interplay between MPs and contaminants in aquatic environments.
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ISSN
- 0304-3894
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/44679
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DOI
- 10.1016/j.jhazmat.2023.132620
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Bibliographic Citation
- Journal of Hazardous Materials, v.461, 2024
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Publisher
- Elsevier BV
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Keywords
- Microplastics; Phenanthrene; Organic pollutants; Microbiome; Metabolome
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Type
- Article
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Language
- English
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Document Type
- Article
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