In-depth characterization revealed polymer type and chemical content specific effects of microplastic on Dreissena bugensis

Brehm, Julian; Wilde, Magdalena V.; Reiche, Lukas; Leitner, Lisa‐Cathrin; Petran, Benedict; Meinhart, Marcel; Wieland, Simon; Ritschar, Sven; Schott, M.; Boos, Jan‐Pascal; Frei, Sven; Kress, Holger; Senker, Jürgen; Greiner, Andreas; Fröhlich, Thomas; Laforsch, Christian

doi:10.1016/j.jhazmat.2022.129351

Cited by 18 publications

(11 citation statements)

References 87 publications

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“…Several studies have reported that microplastic leachates reduce microbial abundance and diversity, alter microbial communities, and affect metabolic activities (Li et al, 2020;Yang et al, 2023;Zhang and Liu, 2023). Different types of micro-and nanoplastics would elicit different toxic effects on the microorganisms based on the type of chemical additive on the surface of plastic particles (Brehm et al, 2022). Recycled PET fragments, which are described to contain the most chemical additives, were found to display the strongest ecotoxic effect on a mussel (Dreissena bugensis) (Brehm et al, 2022).…”

Section: Impact Of Micro-and Nanoplastics Without Ingestionmentioning

confidence: 99%

Micro- and nanoplastics in freshwater ecosystems—interaction with and impact upon bacterivorous ciliates

Bulannga,

Schmidt

2024

Front. Earth Sci.

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The ubiquitous occurrence of microplastics and nanoplastics in aquatic environments is of major concern as these priority pollutants are readily ingested by a wide variety of aquatic organisms. Although quantitative data on the interaction of microplastics and even more so on nanoplastics in freshwater environments and their interaction with the aquatic food web are still limited, studies have nevertheless demonstrated that even micro- or nanosized plastic particles can be ingested by various members of the zooplankton functioning as primary consumers. Bacterivorous ciliates are crucial members of the microzooplankton. These fascinating microorganisms are critical components of microbial loops in freshwater environments and are essential links between different trophic levels within the aquatic food web. Ingestion of microscopic plastic particles affects the ciliate cell on a cellular and even on the molecular level. Physical and chemical characteristics such as size, density, and surface properties influence the stability, distribution, retention, transportation, and bioavailability of the microplastic particles for ingestion by ciliates. In turn, the environmental fate of microplastics and nanoplastics can affect their ecotoxicity via surface modifications, such as forming the so-called eco-corona. The consequences of the interaction of ciliates with microplastics and nanoplastics are the potential bioaccumulation of plastic particles through the food web and the possible interference of these emerging pollutants with controlling bacterial and possibly even viral abundance in freshwater environments. Due to the limited data available, studies elucidating the environmental bacterivorous ciliate-micro-/nanoplastics interaction are a priority research topic if we want to holistically assess the environmental fate and ecotoxicity of these pollutants.

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Section: Impact Of Micro-and Nanoplastics Without Ingestionmentioning

confidence: 99%

Micro- and nanoplastics in freshwater ecosystems—interaction with and impact upon bacterivorous ciliates

Bulannga,

Schmidt

2024

Front. Earth Sci.

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“…Polymer types may differ in their effects on organisms [67,113]. Whether the observed differences between the tested NMP can be attributed solely to the polymer type remains however questionable, as none of the publications compared particles that differed only in polymer type while keeping all other NMP properties identical [112].…”

Section: Manufacturing Non-commercially Available Nmp Suitable For Di...mentioning

confidence: 99%

“…Whether the observed differences between the tested NMP can be attributed solely to the polymer type remains however questionable, as none of the publications compared particles that differed only in polymer type while keeping all other NMP properties identical [112]. There is evidence however for other organisms that the polymer type may play a crucial role in determining toxicity (for example, [113]). Following similar approaches would thus be promising for understanding the polymer-dependent toxicity of NMP in Daphnia.…”

Section: Manufacturing Non-commercially Available Nmp Suitable For Di...mentioning

confidence: 99%

“…The need thus arises to distinguish between the effects caused by the NMPs themselves and possible effects from associated additives [145]. One option is to characterize all compounds of the used NMP as shown for freshwater mussels [113]. Another approach is to compare the effects of particles with additives with the effects of particles without additives, but with otherwise similar properties 33 (i.e., same size, shape, polymer type, etc.)…”

Section: Additivesmentioning

confidence: 99%

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The complexity of micro-and nanoplastic research in the genusDaphnia– A systematic review of study variability and meta-analysis of immobilization rates

Brehm

Ritschar

Laforsch

et al. 2023

Preprint

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In recent years, the number of publications on nano- and microplastic particles (NMPs) effects on freshwater organisms has increased rapidly. Freshwater crustaceans of the genusDaphniaare widely used in ecotoxicological research as model organisms for assessing the impact of NMPs. However, the diversity of experimental designs in these studies makes conclusions about the general impact of NMPs onDaphniachallenging. To approach this, we systematically reviewed the literature on NMP effects onDaphniaand summarized the diversity of test organisms, experimental conditions, NMP properties and measured endpoints to identify gaps in our knowledge of NMP effects onDaphnia. We use a meta-analysis on mortality and immobilization rates extracted from the compiled literature to illustrate how NMP properties and study parameters can impact outcomes in toxicity bioassays. In addition, we investigate the extent to which the available data can be used to predict the toxicity of untested NMPs based on the extracted parameters. Based on our results, we argue that focusing on a more diverse set of NMP properties combined with a more detailed characterization of the particles in future studies will help to fill current research gaps, improve predictive models and allow the identification of NMP properties linked to toxicity.

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“…Microplastics (MPs), small polymer compounds smaller than 5 mm (Frias & Nash, 2019) have been ubiquitously detected in marine (Gola et al., 2021), limnic (Yang et al., 2022) and riverine environments (Eerkes‐Medrano et al., 2015). MPs can be incorporated by aquatic biota (Scherer et al., 2018) and trigger adverse effects on the organism (Brehm et al., 2022). Following bioaccumulation in higher trophic levels (Bhatt & Chauhan, 2023), MPs are reported to threaten aquatic ecosystems (Anbumani & Kakkar, 2018), which makes it crucial to understand the transport mechanisms governing the fate of MPs in fluvial systems (Horton & Dixon, 2018).…”

Section: Introductionmentioning

confidence: 99%

Assessing the Behavior of Microplastics in Fluvial Systems: Infiltration and Retention Dynamics in Streambed Sediments

Boos,

Dichgans,

Fleckenstein

et al. 2024

Water Resources Research

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Microplastics (MPs) have been detected ubiquitously in fluvial systems and advective transfer has been proposed as a potential mechanism for the transport of (sub‐) pore‐scale MPs from surface waters into streambed sediments. However, the influence of particle and sediment properties, as well as the hydrodynamic flow regime, on the infiltration behavior and mobility of MPs in streambed sediments remains unclear. In this study, we conducted a series of flume experiments to investigate the effect of particle size (1–10 μm), sediment type (fine and coarse sand), and flow regime (high/low flow) on particle infiltration dynamics in a rippled streambed. Quantification of particles in the flume compartments (surface flow, streambed interface, and in the streambed) was achieved using continuous fluorescence techniques. Results indicated that the maximum infiltration depth into the streambed decreased with increasing particle size (11, 10, and 7 cm for 1, 3, and 10 μm). The highest particle retardation was observed in the fine sediment experiment, where 22% of the particles were still in the streambed at the end of the experiment. Particle residence times were shortest under high flow conditions, suggesting that periods of increased discharge can effectively flush MPs from streambed sediments. This study provides novel insights into the complex dynamics of MP infiltration and retention in streambed sediments and contributes to a better understanding of MPs fate in fluvial ecosystems. Quantitative data from this study can improve existing modeling frameworks for MPs transport and assist in assessing the exposure risk of MPs ingestion by benthic organisms.

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In-depth characterization revealed polymer type and chemical content specific effects of microplastic on Dreissena bugensis

Cited by 18 publications

References 87 publications

Micro- and nanoplastics in freshwater ecosystems—interaction with and impact upon bacterivorous ciliates

Micro- and nanoplastics in freshwater ecosystems—interaction with and impact upon bacterivorous ciliates

The complexity of micro-and nanoplastic research in the genusDaphnia– A systematic review of study variability and meta-analysis of immobilization rates

Assessing the Behavior of Microplastics in Fluvial Systems: Infiltration and Retention Dynamics in Streambed Sediments

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