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High density polyethylene (HDPE) microplastics impair development and swimming activity of Pacific oyster D-larvae, Crassostrea gigas, depending on particle size

Environmental Pollution 2020 118 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Arno Bringer, Jérôme Cachot, Florane Le Bihanic, Florane Le Bihanic, Florane Le Bihanic, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Arno Bringer, Jérôme Cachot, Florane Le Bihanic, Jérôme Cachot, Arno Bringer, Jérôme Cachot, Arno Bringer, Jérôme Cachot, Christelle Clérandeau, Florane Le Bihanic, Christelle Clérandeau Florane Le Bihanic, Florane Le Bihanic, Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Hélène Thomas, Hélène Thomas, Jérôme Cachot, Emmanuel Dubillot, Emmanuel Dubillot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Florane Le Bihanic, Christelle Clérandeau, Christelle Clérandeau Arno Bringer, Jérôme Cachot, Christelle Clérandeau, Florane Le Bihanic, Florane Le Bihanic, Christelle Clérandeau, Christelle Clérandeau, Christelle Clérandeau, Jérôme Cachot, Florane Le Bihanic, Florane Le Bihanic, Christelle Clérandeau, Christelle Clérandeau, Emmanuel Dubillot, Emmanuel Dubillot, Emmanuel Dubillot, Arno Bringer, Christelle Clérandeau Christelle Clérandeau Christelle Clérandeau Christelle Clérandeau Christelle Clérandeau Christelle Clérandeau Grégoire Prunier, Grégoire Prunier, Grégoire Prunier, Emmanuel Dubillot, Emmanuel Dubillot, Emmanuel Dubillot, Jérôme Cachot, Grégoire Prunier, Florane Le Bihanic, Florane Le Bihanic, Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Arno Bringer, Arno Bringer, Arno Bringer, Emmanuel Dubillot, Emmanuel Dubillot, Emmanuel Dubillot, Hélène Thomas, Hélène Thomas, Arno Bringer, Arno Bringer, Arno Bringer, Emmanuel Dubillot, Emmanuel Dubillot, Emmanuel Dubillot, Christelle Clérandeau Christelle Clérandeau Christelle Clérandeau, Christelle Clérandeau, Christelle Clérandeau, Christelle Clérandeau, Christelle Clérandeau Christelle Clérandeau, Christelle Clérandeau Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau Hélène Thomas, Jérôme Cachot, Noémie Bossut, Christelle Clérandeau, Christelle Clérandeau, Christelle Clérandeau Arno Bringer, Christelle Clérandeau Jérôme Cachot, Arno Bringer, Christelle Clérandeau, Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau, Christelle Clérandeau, Emmanuel Dubillot, Emmanuel Dubillot, Emmanuel Dubillot, Christelle Clérandeau Jérôme Cachot, Jérôme Cachot, Hélène Thomas, Emmanuel Dubillot, Hélène Thomas, Carine Churlaud, Christelle Clérandeau Christelle Clérandeau, Christelle Clérandeau, Jérôme Cachot, Hélène Thomas, Florane Le Bihanic, Jérôme Cachot, Christelle Clérandeau Jérôme Cachot, Christelle Clérandeau, Florane Le Bihanic, Christelle Clérandeau, Florane Le Bihanic, Jérôme Cachot, Christelle Clérandeau Florane Le Bihanic, Hélène Thomas, Christelle Clérandeau, Hélène Thomas, Christelle Clérandeau Jérôme Cachot, Jérôme Cachot, Hélène Thomas, Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Hélène Thomas, Jérôme Cachot, Christelle Clérandeau Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau, Jérôme Cachot, Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau, Christelle Clérandeau Florane Le Bihanic, Jérôme Cachot, Jérôme Cachot, Christelle Clérandeau, Christelle Clérandeau

Summary

Pacific oyster D-larvae exposed for 24 hours to high-density polyethylene microplastics showed size- and concentration-dependent developmental abnormalities and reduced swimming activity, with smaller particles (4–6 µm) causing greater harm than larger ones at equivalent mass concentrations.

Understanding the effects of plastic debris on marine ecosystems is essential in encouraging decision-makers to take action. The present study investigates the effect of a 24 h experimental exposure to high density polyethylene (HDPE) microplastics (MPs) of different sizes (4-6, 11-13 and 20-25 μm) and at three concentrations (0.1, 1 and 10 mg MP.L) on the development and locomotor activity of early stages of Pacific oyster, Crassostrea gigas. The bivalve embryo-larval assay (NF ISO 17244, 2015) was used in this study but with additional toxicity criteria: developmental arrests, abnormal D-larvae, maximum speed and swimming trajectory. Copper (Cu), was used as a positive control. Our results show that smaller MPs (4-6 and 11-13 μm) induced higher rates of malformations and developmental arrests than the larger ones (20-25 μm). In addition, a dose-dependent decrease of maximum swimming speed was observed for larvae exposed to MPs of 4-6 and 11-13 μm. On the other hand, there was no significant difference in swimming speed with the largest MPs size tested (20-25 μm). For all three sizes of MPs, there was a decrease in straight-line swimming trajectories, and an increase in circular trajectories. This abnormal swimming behaviour could affect larvae survival as well as colonization of new habitats.

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