Gut microbiota composition of the isopod Ligia in South Korea exposed to expanded polystyrene pollution
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Title
- Gut microbiota composition of the isopod Ligia in South Korea exposed to expanded polystyrene pollution
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Author(s)
- Lee, Young-Mi; Choi, Kwang-Min; Mun, Seong Hee; Yoo, Je-Won; Jung, Jee Hyun
- KIOST Author(s)
- Choi, Kwang-Min(최광민); Mun, Seong Hee(문성희); Jung, Jee Hyun(정지현)
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Alternative Author(s)
- 최광민; 문성희; 정지현
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Publication Year
- 2024-08
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Abstract
- Plastics pose a considerable challenge to aquatic ecosystems because of their increasing global usage and non-biodegradable properties. Coastal plastic debris can persist in ecosystems; however, its effects on resident organisms remain unclear. A metagenomic analysis of the isopoda Ligia, collected from clean (Nae-do, ND) and plastic-contaminated sites (Maemul-do, MD) in South Korea, was conducted to clarify the effects of microplastic contamination on the gut microbiota. Ligia gut microbiota’s total operational taxonomic units were higher in ND than in MD. Alpha diversity did not differ significantly between the two Ligia gut microbial communities collected from ND and MD, although richness (Observed species) was lower in MD than in ND. Proteobacteria (67.47%, ND; 57.30%, MD) and Bacteroidetes (13.63%, ND; 20.76%, MD) were the most abundant phyla found at both sites. Significant different genera in Ligia from EPS-polluted sites were observed. Functional gene analysis revealed that 19 plastic degradation-related genes, including those encoding hydrogenase, esterase, and carboxylesterase, were present in the gut microbes of Ligia from MD, indicating the potential role of the Ligia gut microbiota in plastic degradation. This study provides the first comparative field evidence of the gut microbiota dynamics of plastic detritus consumers in marine ecosystems.
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/45870
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DOI
- 10.1371/journal.pone.0308246
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Bibliographic Citation
- PLoS ONE, v.19, no.8, 2024
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Publisher
- Public Library of Science
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Type
- Article
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Language
- English
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Document Type
- Article
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