Dynamics and functions of microbial communities in the plastisphere in temperate coastal environments
•Microplastic (MP)-associated bacterial and fungal communities were uncovered.•The differentiation of microbial taxa depending on coastal systems was explored.•Degradation of MPs can influence on microbial colonization and biofilm formation.•Microbial functions can alter the properties of MPs in the...
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| Veröffentlicht in: | Water research (Oxford) 2024-10, Vol.264, p.122207, Article 122207 |
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| creator | Battulga, Batdulam Nakayama, Masataka Matsuoka, Shunsuke Kondo, Toshiaki Atarashi-Andoh, Mariko Koarashi, Jun |
| description | •Microplastic (MP)-associated bacterial and fungal communities were uncovered.•The differentiation of microbial taxa depending on coastal systems was explored.•Degradation of MPs can influence on microbial colonization and biofilm formation.•Microbial functions can alter the properties of MPs in the coastal environment.•Enrichment of specific taxa on MPs may influence their impact on the ecosystem.
Microbial attachment and biofilm formation on microplastics (MPs |
| doi_str_mv | 10.1016/j.watres.2024.122207 |
| format | Article |
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Microbial attachment and biofilm formation on microplastics (MPs <5 mm in size) in the environment have received growing attention. However, there is limited knowledge of microbial function and their effect on the properties and behavior of MPs in the environment. In this study, microbial communities in the plastisphere were explored to understand microbial ecology as well as their impact on aquatic ecosystems. Using the amplicon sequencing of 16S and internal transcribed spacer (ITS) genes, we uncovered the composition and diversity of bacterial and fungal communities in samples of MPs (fiber, film, foam, and fragment), surface water, bottom sediment, and coastal sand in two contrasting coastal areas of Japan. Differences in microbial diversity and taxonomic composition were detected depending on sample type (MPs, water, sediment, and sand) and the research site. Although relatively higher bacterial and fungal gene counts were determined in MP fragments and foams from the research sites, there were no significant differences in microbial community composition depending on the morphotypes of MPs. Given the colonization by hydrocarbon-degrading communities and the presence of pathogens on MPs, the complex processes of microbial taxa influence the characteristics of MP-associated biofilms, and thus, the properties of MPs. This study highlights the metabolic functions of microbes in MP-associated biofilms, which could be key to uncovering the true impact of plastic debris on the global ecosystem.
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Microbial attachment and biofilm formation on microplastics (MPs <5 mm in size) in the environment have received growing attention. However, there is limited knowledge of microbial function and their effect on the properties and behavior of MPs in the environment. In this study, microbial communities in the plastisphere were explored to understand microbial ecology as well as their impact on aquatic ecosystems. Using the amplicon sequencing of 16S and internal transcribed spacer (ITS) genes, we uncovered the composition and diversity of bacterial and fungal communities in samples of MPs (fiber, film, foam, and fragment), surface water, bottom sediment, and coastal sand in two contrasting coastal areas of Japan. Differences in microbial diversity and taxonomic composition were detected depending on sample type (MPs, water, sediment, and sand) and the research site. Although relatively higher bacterial and fungal gene counts were determined in MP fragments and foams from the research sites, there were no significant differences in microbial community composition depending on the morphotypes of MPs. Given the colonization by hydrocarbon-degrading communities and the presence of pathogens on MPs, the complex processes of microbial taxa influence the characteristics of MP-associated biofilms, and thus, the properties of MPs. This study highlights the metabolic functions of microbes in MP-associated biofilms, which could be key to uncovering the true impact of plastic debris on the global ecosystem.
[Display omitted]</description><subject>Bacteria - classification</subject><subject>Bacteria - genetics</subject><subject>Bacteria and fungi</subject><subject>Biofilms</subject><subject>Coastal ecosystem</subject><subject>Enzymes</subject><subject>Fungi - genetics</subject><subject>Geologic Sediments - microbiology</subject><subject>Hydrocarbon-degrading taxa</subject><subject>Japan</subject><subject>Microbiota</subject><subject>Microplastics</subject><subject>RNA, Ribosomal, 16S - genetics</subject><subject>Seawater - microbiology</subject><issn>0043-1354</issn><issn>1879-2448</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtKxTAQhoMoery8gUiXbnqcXGqajSDeQXCj65CTTjCHNq1Jqvj29lh16Wpg5vtnmI-QYwpLCvT8bL38MDliWjJgYkkZYyC3yILWUpVMiHqbLAAELymvxB7ZT2kNAIxxtUv2uKKCgRALgtefwXTepsKEpnBjsNn3IRW9K6Zu7FfetIXtu24MPntMhQ9FfsViaE3KPg2vGPG7h92A0WSc4GkyhTC8-9iHDkNOh2THmTbh0U89IC-3N89X9-Xj093D1eVjaVktc6loLRRKZ1YVBScN1FWlhBKiEpKzyhkU1DaVMYxTV1vDa0kZOAArzYoyxQ_I6bx3iP3biCnrzieLbWsC9mPSHBSnkp6LDSpmdHoypYhOD9F3Jn5qCnojWK_1LFhvBOtZ8BQ7-bkwrjps_kK_RifgYgZw-vPdY9TJegwWGx_RZt30_v8LX0qvjzw</recordid><startdate>20241015</startdate><enddate>20241015</enddate><creator>Battulga, Batdulam</creator><creator>Nakayama, Masataka</creator><creator>Matsuoka, Shunsuke</creator><creator>Kondo, Toshiaki</creator><creator>Atarashi-Andoh, Mariko</creator><creator>Koarashi, Jun</creator><general>Elsevier Ltd</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8908-5770</orcidid><orcidid>https://orcid.org/0000-0002-2820-4473</orcidid><orcidid>https://orcid.org/0009-0004-7787-3085</orcidid><orcidid>https://orcid.org/0000-0003-3835-5512</orcidid><orcidid>https://orcid.org/0000-0002-3920-4671</orcidid></search><sort><creationdate>20241015</creationdate><title>Dynamics and functions of microbial communities in the plastisphere in temperate coastal environments</title><author>Battulga, Batdulam ; 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Microbial attachment and biofilm formation on microplastics (MPs <5 mm in size) in the environment have received growing attention. However, there is limited knowledge of microbial function and their effect on the properties and behavior of MPs in the environment. In this study, microbial communities in the plastisphere were explored to understand microbial ecology as well as their impact on aquatic ecosystems. Using the amplicon sequencing of 16S and internal transcribed spacer (ITS) genes, we uncovered the composition and diversity of bacterial and fungal communities in samples of MPs (fiber, film, foam, and fragment), surface water, bottom sediment, and coastal sand in two contrasting coastal areas of Japan. Differences in microbial diversity and taxonomic composition were detected depending on sample type (MPs, water, sediment, and sand) and the research site. Although relatively higher bacterial and fungal gene counts were determined in MP fragments and foams from the research sites, there were no significant differences in microbial community composition depending on the morphotypes of MPs. Given the colonization by hydrocarbon-degrading communities and the presence of pathogens on MPs, the complex processes of microbial taxa influence the characteristics of MP-associated biofilms, and thus, the properties of MPs. This study highlights the metabolic functions of microbes in MP-associated biofilms, which could be key to uncovering the true impact of plastic debris on the global ecosystem.
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| subjects | Bacteria - classification Bacteria - genetics Bacteria and fungi Biofilms Coastal ecosystem Enzymes Fungi - genetics Geologic Sediments - microbiology Hydrocarbon-degrading taxa Japan Microbiota Microplastics RNA, Ribosomal, 16S - genetics Seawater - microbiology |
| title | Dynamics and functions of microbial communities in the plastisphere in temperate coastal environments |
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