Transient effect of bisphenol A (BPA) and di-(2-ethylhexyl) phthalate (DEHP) on the cosmopolitan marine diatom Chaetoceros decipiens-lorenzianus

Type Article
Date 2021-09
Language English
Author(s) M’rabet Charaf1, 2, Kéfi–daly Yahia Ons1, Chomerat NicolasORCID3, Zentz Frederic4, Bilien GwenaelORCID3, Pringault Olivier2, 5
Affiliation(s) 1 : Tunisian National Agronomic Institute (INAT), IRESA - Carthage University. LR18ES41 (Laboratoire des Sciences de l'Environnement, Biologie et Physiologie des Organismes Aquatiques, Univ. Tunis EL Manar). 43 Avenue Charles Nicolle, 1082 Tunis, Tunisia
2 : UMR 9190 MARBEC IRD-Ifremer-CNRS-Université de Montpellier, Place Eugène Bataillon, Case 093, 34095 Montpellier Cedex 5, France
3 : Institut Français de Recherche pour l'Exploitation de la Mer- ODE/UL/LER Bretagne Occidentale, Station de biologie marine. Place de la Croix. BP 40537, 29185 Concarneau, France
4 : Université de Bretagne Occidentale, Station de biologie marine. Place de la Croix, 29185 Concarneau, France
5 : Aix Marseille Univ, Universite de Toulon, CNRS, IRD, MIO UM 110, 13288, Marseille, France
Source Environmental Pollution (0269-7491) (Elsevier BV), 2021-09 , Vol. 285 , P. 117362 (11p.)
DOI 10.1016/j.envpol.2021.117362
WOS© Times Cited 3
Keyword(s) Chaetoceros decipiens-Lorenzianus, Bisphenol A, di-(2-ethylhexyl) phthalate, Biomass, Photosynthetic efficiency and activity
Abstract

Incubation under controlled laboratory conditions were performed to assess the toxic effects of two plastic derived chemicals, bisphenol A (BPA) and di-(2-ethylhexyl) phthalate (DEHP), on the growth, photosynthetic efficiency and photosynthetic activity of the cosmopolitan diatom Chaetoceros decipiens-lorenzianus. Non-axenic diatom cells were exposed to concentrations of BPA and DEHP (separately and in mixture), mimicking concentrations observed in contaminated marine ecosystems, for seven days. Upon short-term exposure (i.e., during the first 48 h), BPA and DEHP induced a slight but significant stimulation of biomass and photosynthetic activity relative to the control, whereas, no significant impact was observed on the photosynthetic efficiency. Nevertheless, this pattern was transient. The stimulation was followed by a return to control conditions for all treatments at the end of incubation. These results showed that the cosmopolitan diatom Chaetoceros was not impacted by representative in situ concentrations of plastic derivatives, thus confirming its ability to thrive in coastal anthropogenic environments.

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M’rabet Charaf, Kéfi–daly Yahia Ons, Chomerat Nicolas, Zentz Frederic, Bilien Gwenael, Pringault Olivier (2021). Transient effect of bisphenol A (BPA) and di-(2-ethylhexyl) phthalate (DEHP) on the cosmopolitan marine diatom Chaetoceros decipiens-lorenzianus. Environmental Pollution, 285, 117362 (11p.). Publisher's official version : https://doi.org/10.1016/j.envpol.2021.117362 , Open Access version : https://archimer.ifremer.fr/doc/00695/80751/