Effects of long-term exposure of Mytilus galloprovincialis to thiacloprid: A multibiomarker approach

Thiacloprid is a neonicotinoid insecticide widely exploited in agriculture and easily mobilized towards aquatic environments by atmospheric agents. However, little information about its toxicological effects on aquatic invertebrate bioindicators is available. In this study, specimens of the mussel M...

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Vydáno v:Environmental pollution (1987) Ročník 289; s. 117892
Hlavní autoři: Stara, Alzbeta, Pagano, Maria, Albano, Marco, Savoca, Serena, Di Bella, Giuseppa, Albergamo, Ambrogina, Koutkova, Zuzana, Sandova, Marie, Velisek, Josef, Fabrello, Jacopo, Matozzo, Valerio, Faggio, Caterina
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 15.11.2021
Témata:
antioxidant biomarkers
aquatic invertebrates
Bioaccumulation
Biomarkers
cell viability
chronic exposure
hemolymph
histology
human health
Insecticide
Invertebrates
lipid peroxidation
mussels
Mytilus galloprovincialis
pollution
risk
thiacloprid
Toxicity
toxicology
Biomarkers
Insecticide
Invertebrates
Toxicity
Bioaccumulation
ISSN:0269-7491, 1873-6424, 1873-6424
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Shrnutí:Thiacloprid is a neonicotinoid insecticide widely exploited in agriculture and easily mobilized towards aquatic environments by atmospheric agents. However, little information about its toxicological effects on aquatic invertebrate bioindicators is available. In this study, specimens of the mussel Mytilus galloprovincialis were exposed to thiacloprid at environmental (4.5 μg L−1) and 100 times higher than environmental (450 μg L−1) concentrations for 20 days. Thiacloprid affected haemolymph biochemical parameters, cell viability in the digestive gland, antioxidant biomarkers and lipid peroxidation in the digestive gland and gills at environmentally relevant concentrations (4.5 μg L−1). In addition, thiacloprid exposure caused histological damage to the digestive gland and gills. Interestingly, the pesticide was detected at levels equal to 0.14 ng g−1 in the soft tissues of sentinels exposed for 20 days to 450 μg L−1 thiacloprid in seawaterμ. Due to its harmful potential and cumulative effects after long-term exposure of M. galloprovincialis, thiacloprid may pose a potential risk to nontarget aquatic organisms, as well as to human health. This aspect requires further in-depth investigation. [Display omitted] •Thiacloprid affects mussel biochemical responses.•Thiacloprid influences antioxidant enzymes and haemolymph parameters.•Thiacloprid causes histological damage to gills and digestive gland.
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ISSN:0269-7491
1873-6424
1873-6424
DOI:10.1016/j.envpol.2021.117892