Characteristics of microplastic pollution in golden pompano (Trachinotus ovatus) aquaculture areas and the relationship between colonized- microbiota on microplastics and intestinal microflora
文献类型: 外文期刊
第一作者: Liu, Ming-Jian
作者: Liu, Ming-Jian;Guo, Hua-Yang;Gao, Jie;Zhu, Ke-Cheng;Guo, Liang;Liu, Bao-Suo;Zhang, Nan;Jiang, Shi-Gui;Zhang, Dian-Chang;Liu, Ming-Jian;Guo, Hua-Yang;Gao, Jie;Zhu, Ke-Cheng;Guo, Liang;Liu, Bao-Suo;Zhang, Nan;Jiang, Shi-Gui;Zhang, Dian-Chang;Liu, Ming-Jian;Guo, Hua-Yang;Gao, Jie;Zhu, Ke-Cheng;Guo, Liang;Liu, Bao-Suo;Zhang, Nan;Jiang, Shi-Gui;Zhang, Dian-Chang;Jiang, Shi-Gui;Zhang, Dian-Chang;Jiang, Shi-Gui;Zhang, Dian-Chang;Liu, Ming-Jian
作者机构:
关键词: Microbial community; Beibu Gulf; Microplastics (MPs); Trachinotus ovatus; Gut microbiome
期刊名称:SCIENCE OF THE TOTAL ENVIRONMENT ( 影响因子:10.753; 五年影响因子:10.237 )
ISSN: 0048-9697
年卷期: 2023 年 856 卷
页码:
收录情况: SCI
摘要: 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 in-creased 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 mu m were the most common in the gut and sedi-ment. 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.
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