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Authors
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Tagg, A.S. ; Oberbeckmann, S. ; Fischer, D. ; Kreikemeyer, B. ; Labrenz, M.
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Title
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Paint particles are a distinct and variable substrate for marine bacteria
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Date
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22.08.2019
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Number
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57038
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Abstract
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While paint particles are an important part of the microplastic sphere, they have, as yet, received much less research coverage, particularly regarding microplastic-microbiological interactions. This study investigated the biofilm communities of a variety of paint particles from brackish sediment using 16S rRNA gene sequencing. Paint particle biofilm communities appear to be distinct from natural (water and sediment), non-synthetic particle (cellulose) and common microplastic biofilm communities. Notably, there appears to be 1 group of sulphate-reducing bacteria from the Desulfobacteraceae family, Desulfatitalea tepidiphilia, that dominate certain paint biofilms. Of the 8 investigated paint-associated communities, four paints displayed this high Desulfobacteraceae presence. However, it is currently unclear from the chemical analysis performed of the paint surface chemistry (ATR FT-IR spectroscopy, Raman spectroscopy, SEM-EDX) what the drivers behind this might be. As such, this study provides important insights as the first to analyse microplastic-paint biofilm communities and paves the way for future research.
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Publisher
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Marine Pollution Bulletin
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Wikidata
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Citation
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Marine Pollution Bulletin 146 (2019) 117-124
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DOI
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https://doi.org/10.1016/J.MARPOLBUL.2019.06.013
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Tags
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