Show simple item record

dc.creatorVranković, Jelena
dc.creatorZivić, Miroslav
dc.creatorRadojević, Andelina
dc.creatorPerić-Mataruga, Vesna
dc.creatorTodorović, Dajana
dc.creatorMarković, Zoran
dc.creatorŽivić, Ivana
dc.date.accessioned2020-12-17T22:13:47Z
dc.date.available2020-12-17T22:13:47Z
dc.date.issued2018
dc.identifier.issn0147-6513
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/4663
dc.description.abstractThe current study reports a combined seasonal monitoring of the Crnica River watercourse using physicochemical parameters and biomarkers measured in Gammarus dulensis with the aim of correlating the effects of pollution with the level of oxidative stress biomarkers in this amphipod. The pollution source is identified as a trout farm in the upper part of the Crnica River (Eastern Serbia). Physico-chemical water parameters and sediment trace element concentrations were measured in the Crnica River during three seasons. Three localities downstream [CR2, CR3, and CR4 (20 m, 400 m, and 1.3 km from the trout farm discharge, respectively)] were assessed in comparison with a reference location (CR1), 250 m upstream from the trout aquaculture in the Crnica River. Antioxidant biomarkers including the enzymes superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), glutathione reductase (GR), and glutathione-S-transferase (GST) were determined in pooled samples of G. dulensis. Our findings showed statistically different antioxidant enzyme levels in gammarids from the first downstream locality (CR2) compared to those from other three localities. The results indicate that oxidative stress occurred to some extent despite the assumed antioxidant induction as a result of exposure to elevated levels of some elements and changed water parameters, the effects seeming in part to be mediated by suppression of SOD and CAT (during summer and autumn); and by suppression of GPX and GR (during autumn) at the CR2 locality. The activity of GST in all seasons was higher at the CR2 locality than at the other localities, suggesting the presence of some permanent xenobiotic next to the aquaculture output. Seasonal difference in the physical and chemical water parameters and sediment trace element concentrations were observed. Overall, our results indicate a locality- and season-dependent antioxidant enzymes response in G. dulensis, pointing at progressively reduced deleterious effect of trout farm outputs with movement further downstream.en
dc.publisherAcademic Press Inc Elsevier Science, San Diego
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31075/RS//
dc.rightsrestrictedAccess
dc.sourceEcotoxicology and Environmental Safety
dc.subjectTrout farmen
dc.subjectGammarus dulensisen
dc.subjectAntioxidant enzymeen
dc.subjectTrace elementsen
dc.subjectSeasonen
dc.titleEvaluation of oxidative stress biomarkers in the freshwater gammarid Gammarus dulensis exposed to trout farm outputsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage95
dc.citation.other163: 84-95
dc.citation.rankM21
dc.citation.spage84
dc.citation.volume163
dc.identifier.doi10.1016/j.ecoenv.2018.07.061
dc.identifier.rcubconv_6348
dc.identifier.scopus2-s2.0-85050109145
dc.identifier.pmid30041129
dc.identifier.wos000443104400011
dc.type.versionpublishedVersion


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record