New insights on the impacts of e-waste towards marine bivalves: The case of the rare earth element Dysprosium.
Bioaccumulation
Metabolism
Mussels
Oxidative stress
Toxicity
e-waste
rare earths
Journal
Environmental pollution (Barking, Essex : 1987)
ISSN: 1873-6424
Titre abrégé: Environ Pollut
Pays: England
ID NLM: 8804476
Informations de publication
Date de publication:
May 2020
May 2020
Historique:
received:
01
07
2019
revised:
30
11
2019
accepted:
19
12
2019
pubmed:
29
1
2020
medline:
20
6
2020
entrez:
29
1
2020
Statut:
ppublish
Résumé
With the technological advances and economic development, the multiplicity and wide variety of applications of electrical and electronic equipment have increased, as well as the amount of end-of-life products (waste of electrical and electronic equipment, WEEE). Accompanying their increasing application, there is an increasing risk to aquatic ecosystems and inhabiting organisms. Among the most common elements present in WEEE are rare earth elements (REE) such as Dysprosium (Dy). The present study evaluated the metabolic and oxidative stress responses of mussels Mytilus galloprovincialis exposed to an increasing range of Dy concentrations, after a 28 days experimental period. The results obtained highlighted that Dy was responsible for mussel's metabolic increase associated with glycogen expenditure, activation of antioxidant and biotransformation defences and cellular damage, with a clear loss of redox balance. Such effects may greatly impact mussel's physiological functions, including reproduction capacity and growth, with implications for population conservation. Overall the present study pointed out the need for more research on the toxic impacts resulting from these emerging pollutants, especially towards marine and estuarine invertebrate species.
Identifiants
pubmed: 31991344
pii: S0269-7491(19)33456-6
doi: 10.1016/j.envpol.2019.113859
pii:
doi:
Substances chimiques
Water Pollutants, Chemical
0
Dysprosium
1D4N45714Q
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
113859Informations de copyright
Copyright © 2020 Elsevier Ltd. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of competing interest The Authors whose names are listed immediately below certify that they have NO affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affi liations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.