Abstract:
:Atlantic salmon smolts were exposed to three doses of the fungicide azoxystrobin for 4 days, and physiological blood parameters and transcriptional effects in liver and muscle were evaluated in search for potential negative effects. Azoxystrobin exposure mediated up-regulation of catalase, MAPK1 and IGFBP1 in liver tissue. Catalase, transferrin, IGFBP1 and TNFR were up-regulated and CYP1A down-regulated in muscle tissue. Blood parameters glucose, hematocrit, pCO(2), HCO(3) and pH grouped together with transcripts levels of MnSOD, MAPK1, IGFBP1, MAP3K7 and GPx4 in liver of fish exposed to the highest azoxystrobin concentration (352 μgL(-1)) using principal component analysis (PCA). In muscle, the blood parameters glucose, hematocrit, pCO(2), HCO(3) and pH grouped together with transcript levels of heme oxygenase, thioredoxin, MnSOD, TNFR and MMP9. These results suggest that the fungicide azoxystrobin affects mitochondrial respiration and mechanisms controlling cell growth and proliferation in fish and may have negative effects on juvenile Atlantic salmon.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Olsvik PA,Kroglund F,Finstad B,Kristensen Tdoi
10.1016/j.ecoenv.2010.07.017subject
Has Abstractpub_date
2010-11-01 00:00:00pages
1852-61issue
8eissn
0147-6513issn
1090-2414pii
S0147-6513(10)00167-3journal_volume
73pub_type
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