Journal
MARINE ENVIRONMENTAL RESEARCH
Volume 120, Issue -, Pages 1-8Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2016.07.004
Keywords
Synthetic polymers; Vector; Pathogens; North Sea; Baltic Sea
Funding
- Alfred-Wegener-Institute Helmholtz-Center for Polar and Marine Research
- MikrOMIK a SWL/PAKT project by the Leibniz Association [SAW-2014-IOW-2]
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The taxonomic composition of biofilms on marine microplastics is widely unknown. Recent sequencing results indicate that potentially pathogenic Vibrio spp. might be present on floating microplastics. Hence, these particles might function as vectors for the dispersal of pathogens. Microplastics and water samples collected in the North and Baltic Sea were subjected to selective enrichment for pathogenic Vibrio species. Bacterial colonies were isolated from CHROMagarTMVibrio and assigned to Vibrio spp. on the species level by MALDI-TOF MS (Matrix Assisted Laser Desorption/Ionisation - Time of Flight Mass Spectrometry). Respective polymers were identified by ATR FT-IR (Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy). We discovered potentially pathogenic Vibrio parahaemolyticus on a number of microplastic particles, e.g. polyethylene, polypropylene and polystyrene from North/Baltic Sea. This study confirms the indicated occurrence of potentially pathogenic bacteria on marine microplastics and highlights the urgent need for detailed biogeographical analyses of marine microplastics. (C) 2016 Elsevier Ltd. All rights reserved.
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