Fe2O3-modified graphene oxide mitigates nanoplastic toxicity via regulating gas exchange, photosynthesis, and antioxidant system in Triticum aestivum

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dc.contributor.authorArikan, Busra
dc.contributor.authorAlp, Fatma Nur
dc.contributor.authorOzfidan-Konakci, Ceyda
dc.contributor.authorBalci, Melike
dc.contributor.authorElbasan, Fevzi
dc.contributor.authorYildiztugay, Evren
dc.contributor.authorCavusoglu, Halit
dc.date.accessioned2024-02-23T14:02:25Z
dc.date.available2024-02-23T14:02:25Z
dc.date.issued2022
dc.departmentNEÜen_US
dc.description.abstractThe ever-increasing plastic pollution in soil and water resources raises concerns about its effects on terrestrial plants and agroecosystems. Although there are many reports about the contamination with nanoplastics on plants, the presence of magneto-assisted nanomaterials enabling the removal of their adverse impacts still re-mains unclear. Therefore, the purpose of the current study is to evaluate the potential of nanomaterial Fe2O3- modified graphene oxide (FGO, 50-250 mg L-1) to eliminate the adverse effects of nanoplastics in plants. Wheat plants exposed to polystyrene nanoplastics concentrations (PS, 10, 50 and 100 mg L-1) showed decreased growth, water content and loss of photosynthetic efficiency. PS toxicity negatively altered gas exchange, antenna structure and electron transport in photosystems. Although the antioxidant system was partially activated (only superoxide dismutase (SOD), NADPH oxidase (NOX) and glutathione reductase (GR)) in plants treated with PS, it failed to prevent PS-triggered oxidative damage, as showing lipid peroxidation and hydrogen peroxide (H2O2) levels. FGOs eliminated the adverse impacts of PS pollution on growth, water status, gas exchange and oxidative stress markers. In addition, FGOs preserve the biochemical reactions of photosynthesis by actively increasing chlorophyll fluorescence parameters in the stressed-wheat leaves. The activities of all enzymatic antioxidants increased, and the H2O2 and TBARS contents decreased. GSH-mediated detoxifying antioxidants such as gluta-thione S-transferase (GST) and glutathione peroxidase (GPX) were stimulated by FGOs against PS pollution. FGOs also triggered the enzymes and non-enzymes related to the Asada-Halliwell cycle and protected the regeneration of ascorbate (AsA) and glutathione (GSH). Our findings indicated that FGO had the potential to mitigate nanoplastic-induced damage in wheat by regulating water relations, protecting photosynthesis reactions and providing efficient ROS scavenging with high antioxidant capacity. This is the first report on removing PS -induced damage by FGO applications in wheat leaves.en_US
dc.description.sponsorshipSelcuk University Scientific Research Projects Coordinating Office; [21401112]en_US
dc.description.sponsorshipThis work was supported by Selcuk University Scientific Research Projects Coordinating Office (Grant Number: 21401112) . We would like to thank Nazife Tugba ELBASAN for her contributions to the graphical abstract design.en_US
dc.identifier.doi10.1016/j.chemosphere.2022.136048
dc.identifier.issn0045-6535
dc.identifier.issn1879-1298
dc.identifier.pmid35987272en_US
dc.identifier.scopus2-s2.0-85137027970en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.chemosphere.2022.136048
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11707
dc.identifier.volume307en_US
dc.identifier.wosWOS:000863689800001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofChemosphereen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAntioxidant Systemen_US
dc.subjectRedox Homeostasisen_US
dc.subjectPolystyrene Nanoplasticsen_US
dc.subjectTriticum Aestivumen_US
dc.titleFe2O3-modified graphene oxide mitigates nanoplastic toxicity via regulating gas exchange, photosynthesis, and antioxidant system in Triticum aestivumen_US
dc.typeArticleen_US

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