Incidental Nanoplastics – Oyster Biological Functions Studied

A May 27, 2021 Eureka Alert news release by researchers with Canada National Institute for Scientific Research (INRS) and France National Centre for Scientific Research (CNRS) https://www.eurekalert.org/pub_releases/2021-05/indl-eon052621.php reports that “… the combined presence of nanoplastics and arsenic affects the biological functions of oysters … The scientists proved that the bioaccumulation of arsenic does not increase when nanoplastics are also present. However, it remained higher in the gills of the Canadian Crassostrea virginica oyster than in the Isognomon alatus oyster, found in Guadeloupe. These results are the first to highlight the diverging sensitivity of different species … the team also observed an overexpression of genes responsible for cell death and the number of mitochondria–a cell’s energy centres–in C. virginica. In I. alatus, the expression of these same genes was less significant … The next step … would be to study how these contaminants are transferred through the food chain …” #MicroPlastics #NanoPlastics #PlasticWaste #SingleUsePlastic @inrsciences @CNRS

Published by Jack Cooper

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