Mercury isotopes of key tissues document mercury metabolic processes in seabirds.

Animals Birds Environmental Monitoring Mercury / analysis Mercury Isotopes / analysis Methylmercury Compounds Water Pollutants, Chemical / analysis
Demethylation Detoxification Metabolism Methylmercury Moult

Journal

Chemosphere
ISSN: 1879-1298
Titre abrégé: Chemosphere
Pays: England
ID NLM: 0320657

Informations de publication

Date de publication:
Jan 2021
Historique:
received: 31 05 2020
revised: 17 07 2020
accepted: 18 07 2020
pubmed: 23 8 2020
medline: 22 12 2020
entrez: 23 8 2020
Statut: ppublish

Résumé

Seabirds accumulate significant amounts of mercury (Hg) due to their long-life span together with their medium to high trophic position in marine food webs. Hg speciation and Hg isotopic analyses of total Hg in different tissues (pectoral muscles, liver, brain, kidneys, blood and feathers) were assessed to investigate their detoxification mechanisms. Three species with contrasted ecological characteristics were studied: the Antarctic prion (zooplankton feeder), the white-chinned petrel (pelagic generalist consumer) and the southern giant petrel (scavenger on seabirds and marine mammals). The difference of mass-dependent fractionation (MDF, δ

Identifiants

DOI: 10.1016/j.chemosphere.2020.127777 PMID: 32828051
pubmed: 32828051
pii: S0045-6535(20)31972-X
doi: 10.1016/j.chemosphere.2020.127777
pii:
doi:

Substances chimiques

Mercury Isotopes 0
Methylmercury Compounds 0
Water Pollutants, Chemical 0
Mercury FXS1BY2PGL

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

127777

Informations de copyright

Copyright © 2020 Elsevier Ltd. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Auteurs

Marina Renedo (M)

Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 Rue Olympe de Gouges, 17000, La Rochelle, France; Universite de Pau et des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour L'Environnement et Les Matériaux, Pau, France. Electronic address: marina.renedo@ird.fr.

Zoyne Pedrero (Z)

Universite de Pau et des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour L'Environnement et Les Matériaux, Pau, France. Electronic address: zoyne.pedrerozayas@univ-pau.fr.

David Amouroux (D)

Universite de Pau et des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour L'Environnement et Les Matériaux, Pau, France.

Yves Cherel (Y)

Centre d'Etudes Biologiques de Chizé, UMR 7372 Du CNRS-La Rochelle Université, 79360, Villiers-en-Bois, France.

Paco Bustamante (P)

Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 Rue Olympe de Gouges, 17000, La Rochelle, France; Institut Universitaire de France (IUF), 1 Rue Descartes, 75005, Paris, France.

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Classifications MeSH

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questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Mercure › Mercury isotopes of key tissues document...
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