Characteristics of microplastic pollution in golden pompano (Trachinotus ovatus) aquaculture areas and the relationship between colonized-microbiota on microplastics and intestinal microflora
Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved..
Microplastic (MPs) pollution is a global marine environmental problem. The effects of MPs on the gut microbiota of aquatic organisms have received considerable attention. For example, microbes colonizing MPs in pond cultures alter the structure and function of the intestinal microbes of shrimp and fish. It was hypothesized that bacteria on MPs in natural mariculture areas also interact with the intestinal flora of golden pompano (Trachinotus ovatus) because biofilms can form on the surface of MPs during long-term floating in seawater. To our knowledge, this study is the first to investigate MPs pollution in T. ovatus aquaculture. DNA sequencing and bioinformatics analysis confirmed the effect of microbial colonization of MPs on the intestinal flora of T. ovatus. The MPs detected in the gut wet weight (w.w.) of golden pompano (546 ± 52 items/g) were mainly pellets and fragments of blue or green, whereas the sediment MPs dry weight (d.w.) (4765 ± 116 items/kg) were mainly black fibers. The MPs richness in the sediment gradually increased from the open-sea aquaculture area to the estuarine aquaculture area and was positively correlated with the MPs richness in the intestinal tract of golden pompano. MPs 20-200 μm were the most common in the gut and sediment. The intake of MPs increased the abundance of Proteobacteria and decreased that of Firmicutes in the intestinal flora. The functional compositions of MP-colonizing microbes and gut microbiota were similar, suggesting that the two communities influence each other. Network analysis further confirmed this and revealed that Vibrio plays a key role in the intestinal flora and surface microorganisms of MPs. Overall, the intake of MPs by aquatic animals not only affects the intestinal flora and intestinal microbial function, but also poses potential risks to aquaculture.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:856 |
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| Enthalten in: |
The Science of the total environment - 856(2023), Pt 2 vom: 15. Jan., Seite 159180 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Ming-Jian [VerfasserIn] |
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| Links: |
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| Themen: |
Beibu Gulf |
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| Anmerkungen: |
Date Completed 23.11.2022 Date Revised 23.11.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2022.159180 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Liu, Ming-Jian |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Characteristics of microplastic pollution in golden pompano (Trachinotus ovatus) aquaculture areas and the relationship between colonized-microbiota on microplastics and intestinal microflora |
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| 520 | |a Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved. | ||
| 520 | |a Microplastic (MPs) pollution is a global marine environmental problem. The effects of MPs on the gut microbiota of aquatic organisms have received considerable attention. For example, microbes colonizing MPs in pond cultures alter the structure and function of the intestinal microbes of shrimp and fish. It was hypothesized that bacteria on MPs in natural mariculture areas also interact with the intestinal flora of golden pompano (Trachinotus ovatus) because biofilms can form on the surface of MPs during long-term floating in seawater. To our knowledge, this study is the first to investigate MPs pollution in T. ovatus aquaculture. DNA sequencing and bioinformatics analysis confirmed the effect of microbial colonization of MPs on the intestinal flora of T. ovatus. The MPs detected in the gut wet weight (w.w.) of golden pompano (546 ± 52 items/g) were mainly pellets and fragments of blue or green, whereas the sediment MPs dry weight (d.w.) (4765 ± 116 items/kg) were mainly black fibers. The MPs richness in the sediment gradually increased from the open-sea aquaculture area to the estuarine aquaculture area and was positively correlated with the MPs richness in the intestinal tract of golden pompano. MPs 20-200 μm were the most common in the gut and sediment. The intake of MPs increased the abundance of Proteobacteria and decreased that of Firmicutes in the intestinal flora. The functional compositions of MP-colonizing microbes and gut microbiota were similar, suggesting that the two communities influence each other. Network analysis further confirmed this and revealed that Vibrio plays a key role in the intestinal flora and surface microorganisms of MPs. Overall, the intake of MPs by aquatic animals not only affects the intestinal flora and intestinal microbial function, but also poses potential risks to aquaculture | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Beibu Gulf | |
| 650 | 4 | |a Gut microbiome | |
| 650 | 4 | |a Microbial community | |
| 650 | 4 | |a Microplastics (MPs) | |
| 650 | 4 | |a Trachinotus ovatus | |
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| 650 | 7 | |a Plastics |2 NLM | |
| 700 | 1 | |a Guo, Hua-Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Ke-Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Bao-Suo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Nan |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Shi-Gui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Dian-Chang |e verfasserin |4 aut | |
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