Evaluation of the effects of two commercial pesticides on Daphnia magna in different feeding environments using morphological and biochemical markers

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dc.contributor.authorTaner, Ramazan
dc.contributor.authorGungordu, Abbas
dc.date.accessioned2026-04-04T13:33:35Z
dc.date.available2026-04-04T13:33:35Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractIn this study, the impact of exposure to a glyphosate-based herbicide (GBH) and a trifloxystrobin-based fungicide (TBF) on Daphnia magna in diverse feeding environments was assessed through the analysis of morphological and biochemical markers. The test organisms selected for analysis were Chlorella vulgaris and D. magna. First, the 48-hour median lethal concentrations (LC50) of GBH and TBF for D. magna were determined to be 253.1 mg/L and 20.7 mu g/L, respectively. Secondly, the lethality, length, width, and spin length of D. magna were evaluated following exposure to sublethal pesticide concentrations, selected based on the LC50 values, in different feeding environments. Thirdly, the activities of glutathione S-transferase (GST), glutathione reductase, catalase (CAT), carboxylesterase, and acetylcholinesterase, as well as the levels of reduced glutathione, were measured in D. magna exposed to sublethal pesticide concentrations in different feeding environments. Both pesticides caused an increase in CAT activity, while GBH also caused an increase in GST activity in the unfed and mixed-fed groups. Conversely, it can be concluded that feeding with C. vulgaris reduces oxidative stress and toxic effects since there was a lesser increase in GST and CAT activities in the C. vulgaris-fed group for both pesticides, similar to the lethality. {GRAPHICAL ABSTRACT}
dc.description.sponsorshipInonu University Scientific Research Projects Coordination Unit
dc.description.sponsorshipThis project work was supported by Inonu University Scientific Research Projects Coordination Unit under project number [grant number FLY-2019-1828], and we would like to thank the relevant institution for the financial contribution to the studies.
dc.identifier.doi10.1080/02757540.2024.2416640
dc.identifier.endpage271
dc.identifier.issn0275-7540
dc.identifier.issn1029-0370
dc.identifier.issue2
dc.identifier.orcid0000-0001-7770-0660
dc.identifier.scopus2-s2.0-85206922545
dc.identifier.scopusqualityQ2
dc.identifier.startpage252
dc.identifier.urihttps://doi.org/10.1080/02757540.2024.2416640
dc.identifier.urihttps://hdl.handle.net/11616/109271
dc.identifier.volume41
dc.identifier.wosWOS:001337853900001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofChemistry and Ecology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectPesticide
dc.subjectChlorella vulgaris
dc.subjectDaphnia magna
dc.subjecttoxicity
dc.subjectbiomarker
dc.titleEvaluation of the effects of two commercial pesticides on Daphnia magna in different feeding environments using morphological and biochemical markers
dc.typeArticle

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