A fish-parasite sentinel system in an assessment of the spatial distribution of polychlorinated biphenyls.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
30 03 2023
30 03 2023
Historique:
received:
30
11
2022
accepted:
20
03
2023
medline:
3
4
2023
entrez:
30
3
2023
pubmed:
31
3
2023
Statut:
epublish
Résumé
The spatial distribution of polychlorinated biphenyls (PCBs), in the Zemplínska Šírava water reservoir and adjacent tributaries in the Bodrog River Basin were investigated using a fish-parasite sentinel system. PCB concentrations were detected in various fish matrices (dorsal and abdominal muscles, liver and intestine) of the Wels catfish (Silurus glanis) and its intestinal cestode Glanitaenia osculata. PCB concentrations in the fish from the water reservoir, located closest to the chemical plant, the primary source of the PCB pollution, were the highest. The analysis of these contaminants in catfish matrices showed the highest concentrations in the abdominal muscle, followed by the dorsal muscle, liver and intestine. Concentrations of ∑PCBs exceeding the limits for food set by European regulations were measured in the muscle tissue of catfish at all sites, even in the Bodrog River, 60 km away from the primary source of contamination, posing a significant risk to humans in the Zemplín region. For the first time, the ability of cestode G. osculata to accumulate higher amounts of PCBs compared to fish matrices has been demonstrated. Due to the enormous ability of the parasites to accumulate PCBs, we recommend this approach for alternative biomonitoring of PCBs in contaminated aquatic environments.
Identifiants
pubmed: 36997612
doi: 10.1038/s41598-023-31939-4
pii: 10.1038/s41598-023-31939-4
pmc: PMC10063543
doi:
Substances chimiques
Polychlorinated Biphenyls
DFC2HB4I0K
Water Pollutants, Chemical
0
Water
059QF0KO0R
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5164Informations de copyright
© 2023. The Author(s).
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