Microplastics do not affect standard ecotoxicological endpoints in marine unicellular organisms
Marine Pollution Bulletin2019
72 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.
Marta Sendra,
Francesca Garaventa,
Ricardo Beiras
Ricardo Beiras
Maria João Bebianno,
Maria João Bebianno,
Maria João Bebianno,
Ricardo Beiras
Marta Sendra,
Marta Sendra,
Ricardo Beiras
Marta Sendra,
Marta Sendra,
Marta Sendra,
Ricardo Beiras
Marta Sendra,
Marta Sendra,
Maria João Bebianno,
Marta Sendra,
Marta Sendra,
Marta Sendra,
Maria João Bebianno,
Maria João Bebianno,
Marta Sendra,
Soledad Garrido,
Soledad Garrido,
Sara Pérez,
Maria João Bebianno,
Verónica Piazza,
Verónica Piazza,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Ricardo Beiras
Ricardo Beiras
Chiara Gambardella,
Chiara Gambardella,
Ricardo Beiras
Francesca Garaventa,
Francesca Garaventa,
Cátia Cardoso,
Marina Albentosa,
Chiara Gambardella,
Chiara Gambardella,
Verónica Piazza,
Verónica Piazza,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Ricardo Beiras
Chiara Gambardella,
Marta Sendra,
Maria João Bebianno,
Maria João Bebianno,
Maria João Bebianno,
Ricardo Beiras
Francesca Garaventa,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Marina Albentosa,
Marina Albentosa,
Francesca Garaventa,
Ricardo Beiras
Ricardo Beiras
Marta Sendra,
Marina Albentosa,
Marina Albentosa,
Ricardo Beiras
Marta Sendra,
Francesca Garaventa,
Verónica Piazza,
Francesca Garaventa,
Verónica Piazza,
Francesca Garaventa,
Verónica Piazza,
Francesca Garaventa,
Chiara Gambardella,
Marta Sendra,
Maria João Bebianno,
Marta Sendra,
Marco Faimali,
Maria João Bebianno,
Marta Sendra,
Marta Sendra,
Maria João Bebianno,
Maria João Bebianno,
Maria João Bebianno,
Maria João Bebianno,
Francesca Garaventa,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Chiara Gambardella,
Verónica Piazza,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Marina Albentosa,
Marina Albentosa,
Marina Albentosa,
Marina Albentosa,
Soledad Garrido,
Soledad Garrido,
Soledad Garrido,
Soledad Garrido,
Soledad Garrido,
Soledad Garrido,
Marco Faimali,
Maria João Bebianno,
Marco Faimali,
Ricardo Beiras
Maria João Bebianno,
Francesca Garaventa,
Maria João Bebianno,
Maria João Bebianno,
Cátia Cardoso,
Marina Albentosa,
Maria João Bebianno,
Maria João Bebianno,
Marco Faimali,
Marco Faimali,
Francesca Garaventa,
Marta Sendra,
Soledad Garrido,
Marco Faimali,
Ricardo Beiras
Soledad Garrido,
Francesca Garaventa,
Maria João Bebianno,
Maria João Bebianno,
Maria João Bebianno,
Verónica Piazza,
Maria João Bebianno,
Verónica Piazza,
Marina Albentosa,
Ricardo Beiras
Marco Faimali,
Ricardo Beiras
Francesca Garaventa,
Ricardo Beiras
Ricardo Beiras
Francesca Garaventa,
Chiara Gambardella,
Ricardo Beiras
Ricardo Beiras
Ricardo Beiras
Marina Albentosa,
Marina Albentosa,
Marina Albentosa,
Maria João Bebianno,
Marta Sendra,
Verónica Piazza,
Marta Sendra,
Maria João Bebianno,
Verónica Piazza,
Maria João Bebianno,
Marco Faimali,
Marina Albentosa,
Marco Faimali,
Francesca Garaventa,
Francesca Garaventa,
Maria João Bebianno,
Ricardo Beiras
Verónica Piazza,
Marco Faimali,
Chiara Gambardella,
Francesca Garaventa,
Francesca Garaventa,
Francesca Garaventa,
Marina Albentosa,
Chiara Gambardella,
Francesca Garaventa,
Francesca Garaventa,
Maria João Bebianno,
Marta Sendra,
Marina Albentosa,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Francesca Garaventa,
Maria João Bebianno,
Verónica Piazza,
Marco Faimali,
Ricardo Beiras
Francesca Garaventa,
Marco Faimali,
Francesca Garaventa,
Maria João Bebianno,
Francesca Garaventa,
Soledad Garrido,
Ricardo Beiras
Maria João Bebianno,
Soledad Garrido,
Ricardo Beiras
Ricardo Beiras
Francesca Garaventa,
Maria João Bebianno,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Sergio González,
Sergio González,
Marina Albentosa,
Ricardo Beiras
Francesca Garaventa,
Francesca Garaventa,
Sara Pérez,
Maria João Bebianno,
Maria João Bebianno,
Sara Pérez,
Francesca Garaventa,
Francesca Garaventa,
Marta Sendra,
Chiara Gambardella,
Marco Faimali,
Chiara Gambardella,
Marco Faimali,
Marco Faimali,
Marco Faimali,
Francesca Garaventa,
Ricardo Beiras
Francesca Garaventa,
Verónica Piazza,
Marina Albentosa,
Ricardo Beiras
Marco Faimali,
Francesca Garaventa,
Verónica Piazza,
Francesca Garaventa,
Francesca Garaventa,
Francesca Garaventa,
Marco Faimali,
Francesca Garaventa,
Francesca Garaventa,
Marco Faimali,
Marco Faimali,
Francesca Garaventa,
Ricardo Beiras
Chiara Gambardella,
Maria João Bebianno,
Francesca Garaventa,
Ricardo Beiras
Summary
Bacteria and marine diatoms were exposed to polyethylene microplastics of 1–500 μm at concentrations above environmental levels, finding no acute toxicity on bioluminescence inhibition or algal growth by standard ISO endpoints. The results suggest that standard ecotoxicological endpoints are insufficiently sensitive to detect microplastic effects on marine microbial primary producers and decomposers.
In this study, the acute toxicity of microplastics (MPs) on unicellular organisms as marine decomposers and microalgae was assessed, by evaluating standards endpoints included in International Standard Organization (ISO) protocols. The bacteria Vibrio fischeri and the diatom Phaeodactylum tricornutum were exposed to different sizes (1-500 μm) of polyethylene MPs in order to evaluate bioluminescence inhibition and microalgal growth. No acute toxicity was found on bacteria or microalgae in an order of magnitude above environmentally relevant concentrations, suggesting that tested MPs did not affect the investigated biological processes. In conclusion, standard ecotoxicological endpoints are not sufficiently sensitive to assess the potential effects of MPs on decomposers and primary producers, conversely to nanoplastics. These findings highlight that the current approach for MP risk assessment in unicellular species should be revised, by providing alternative endpoints to be included in standardized protocols, able to monitor the fate and biological effects of MPs.