Cold stress in soybean (Glycine max L.) roots: exogenous gallic acid promotes water status and increases antioxidant activities

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dc.contributor.authorOzfidan-Konakci, Ceyda.
dc.contributor.authorYildiztugay, Evren.
dc.contributor.authorYildiztugay, Aysegul.
dc.contributor.authorKucukoduk, Mustafa.
dc.date.accessioned2020-03-26T20:12:59Z
dc.date.available2020-03-26T20:12:59Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesi, Fen Fakültesi, Biyoteknoloji Bölümüen_US
dc.description.abstractGallic acid (GLA; 3,4,5-trihydroxybenzoic acid) is a strong antioxidant in plants. In order to clarify the effects of GLA as a pro-oxidant or an antioxidant on cells under stress conditions, soybean (Glycine max) was grown under normal conditions or in the presence of cold stress (5 and 10 degrees C) in the absence or presence of gallic acid (GLA; 1 and 2 mM) for 72 h. The soybean roots exposed to stress exhibited a significant decline in growth (RGR), water content (RWC), osmotic potential (psi(Pi)) and proline content (Pro). However, GLA treatment under stress significantly improved these parameters and alleviated the stress-generated damage. Stress decreased superoxide dismutase (SOD) activity, but GLA effectively mitigated the adverse effects on enzyme activity. After stress treatment, only catalase (CAT) was induced in soybean roots, although it was not sufficient to prevent toxic hydrogen peroxide (H2O2) accumulation. Thus, the levels of lipid peroxidation (TBARS content) markedly increased. However, GLA contributed to detoxification of H2O2 and lipid peroxidation by enhancing activities of CAT and peroxidase (POX). In addition to these enzymes, SOD activity was able to scavenge superoxide anion radicals, as evidenced by decline in TBARS content. However, monodehydroascorbate reductase (MDHAR), dehydroascorbate reductase (DHAR), total ascorbate (tAsA) and glutathione (GSH) showed a decline of content in roots treated with GLA (both concentrations) plus stress. Our results suggest a protective role of GLA, which may strengthen plant tolerance by ensuring efficient water use and enhancing antioxidant systems. In soybean roots, GLA successfully alleviated the toxicity of cold stress by modulating the activities of SOD, CAT and POX rather than enzymes of the ascorbate-glutathione cycle.en_US
dc.description.sponsorshipSelcuk University Scientific Research Projects Coordinating OfficeSelcuk University [14401032]en_US
dc.description.sponsorshipWe thank the Bati Akdeniz Agricultural Research Institute for providing the seeds of soybean. The authors are also grateful to Assist. Prof. Dr. Robert Waller Murdoch for helpfully suggesting ways to improve the manuscript. Financial support for this work was provided by the Selcuk University Scientific Research Projects Coordinating Office (Project No. 14401032).en_US
dc.identifier.citationKonakci, C. O., Yildiztugay, E., Yildiztugay, A., Kucukoduk, M. (2019). Cold Stress in Soybean (Glycine max L.) Roots: Exogenous Gallic Acid Promotes Water Status and Increases Antioxidant Activities. Botanica Serbica, 43(1), 59-71.
dc.identifier.doi10.2298/BOTSERB1901059Oen_US
dc.identifier.endpage71en_US
dc.identifier.issn1821-2158en_US
dc.identifier.issn1821-2638en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage59en_US
dc.identifier.urihttps://dx.doi.org/10.2298/BOTSERB1901059O
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37595
dc.identifier.volume43en_US
dc.identifier.wosWOS:000465525600007en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorYildiztugay, Evren.
dc.institutionauthorYildiztugay, Aysegul.
dc.institutionauthorKucukoduk, Mustafa.
dc.language.isoenen_US
dc.publisherUNIV BELGRADE, INST BOTANY & BOTANICAL GARDENen_US
dc.relation.ispartofBOTANICA SERBICAen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectAntioxidant systemen_US
dc.subjectcold stressen_US
dc.subjectgallic aciden_US
dc.subjectGlycine maxen_US
dc.subjectreactive oxygen speciesen_US
dc.titleCold stress in soybean (Glycine max L.) roots: exogenous gallic acid promotes water status and increases antioxidant activitiesen_US
dc.typeArticleen_US

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