Microplastics and nanoplastics toxicity assays: A revision towards to environmental-relevance in water environment

Pencik, Ondrej; Durdakova, Michaela; Molnarova, Katarina; Kucsera, Attila; Klofac, Daniel; Koláčková, Martina; Adam, Vojtěch; Húska, Dalibor

doi:10.1016/j.jhazmat.2023.131476

Cited by 14 publications

(2 citation statements)

References 98 publications

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“…The increased abundance of taxa within the genus Brevundimonas raises some concerns, given its emerging opportunistic pathogenicity (Ryan & Pembroke, 2018). The reason why numerous bacterial genera such as Duganella , Polynucleobacteria and Candidatus decreased on plastisphere remains unclear but might point to the toxicity of MPs (Pencik et al, 2023).…”

Section: Discussionmentioning

confidence: 99%

Microbial hitchhikers on microplastics: The exchange of aquatic microbes across distinct aquatic habitats

Vass,

Ramasamy,

Andersson

2024

Environmental Microbiology

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Microplastics (MPs) have the potential to modify aquatic microbial communities and distribute microorganisms, including pathogens. This poses a potential risk to aquatic life and human health. Despite this, the fate of ‘hitchhiking’ microbes on MPs that traverse different aquatic habitats remains largely unknown. To address this, we conducted a 50‐day microcosm experiment, manipulating estuarine conditions to study the exchange of bacteria and microeukaryotes between river, sea and plastisphere using a long‐read metabarcoding approach. Our findings revealed a significant increase in bacteria on the plastisphere, including Pseudomonas, Sphingomonas, Hyphomonas, Brevundimonas, Aquabacterium and Thalassolituus, all of which are known for their pollutant degradation capabilities, specifically polycyclic aromatic hydrocarbons. We also observed a strong association of plastic‐degrading fungi (i.e., Cladosporium and Plectosphaerella) and early‐diverging fungi (Cryptomycota, also known as Rozellomycota) with the plastisphere. Sea MPs were primarily colonised by fungi (70%), with a small proportion of river‐transported microbes (1%–4%). The mere presence of MPs in seawater increased the relative abundance of planktonic fungi from 2% to 25%, suggesting significant exchanges between planktonic and plastisphere communities. Using microbial source tracking, we discovered that MPs only dispersed 3.5% and 5.5% of river bacterial and microeukaryotic communities into the sea, respectively. Hence, although MPs select and facilitate the dispersal of ecologically significant microorganisms, drastic compositional changes across distinct aquatic habitats are unlikely.

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Section: Discussionmentioning

confidence: 99%

Microbial hitchhikers on microplastics: The exchange of aquatic microbes across distinct aquatic habitats

Vass,

Ramasamy,

Andersson

2024

Environmental Microbiology

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“…2 The environmental concentration of plastic particles in the aquatic environment was between 0.01 and 100 mg L −1 . 3 Through mechanical abrasion and weathering in the water bodies, bigger plastic particles can fragment into micro- and nano-sized pieces. 4 Nanoplastics (NPs) (1–1000 nm) are significantly smaller than microplastics (MPs) (1–1000 μm) and possess higher surface area-to-volume ratio.…”

Section: Introductionmentioning

confidence: 99%

Polystyrene nanoplastics alter the ecotoxicological effects of diclofenac on freshwater microalgae Scenedesmus obliquus

Christudoss,

Chandrasekaran,

Mukherjee

2024

Environ. Sci.: Processes Impacts

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The comparative effects of visible light and UV-A radiation on the combined toxicity of P25 TiO2 nanoparticles and polystyrene microplastics on Chlorella sp.

Rex M,

Mukherjee

2023

Environ Sci Pollut Res

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Microplastics and nanoplastics toxicity assays: A revision towards to environmental-relevance in water environment

Cited by 14 publications

References 98 publications

Microbial hitchhikers on microplastics: The exchange of aquatic microbes across distinct aquatic habitats

Microbial hitchhikers on microplastics: The exchange of aquatic microbes across distinct aquatic habitats

Polystyrene nanoplastics alter the ecotoxicological effects of diclofenac on freshwater microalgae Scenedesmus obliquus

The comparative effects of visible light and UV-A radiation on the combined toxicity of P25 TiO2 nanoparticles and polystyrene microplastics on Chlorella sp.

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