Effects of high temperature stress on enzymatic and nonenzymatic antioxidants and proteins in strawberry plants

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dc.WoS.categoriesAgriculture, Multidisciplinary; Agronomy; Forestryen_US
dc.contributor.authorGülen, Hatice
dc.contributor.authorKesici, Müge
dc.contributor.authorTurhan, Ece
dc.contributor.authorİpek, Ahmet
dc.contributor.authorKöksal, Nezihe
dc.contributor.authorErgin, Sergül
dc.date.accessioned2020-12-17T07:08:22Z
dc.date.available2020-12-17T07:08:22Z
dc.date.issued2016
dc.description.abstractThe mechanism of tolerance to high temperatures was investigated in two strawberry (Fragaria x ananassa Duch) cultivars, 'Redlands Hope' ('R. Hope', heat tolerant) and 'Cal. Giant 3' ('CG3', heat sensitive). Leaves were collected from plants that were exposed to gradual heat stress and heat-shock stress separately. The contents of nonenzymatic antioxidants such as ascorbic acid (AsA) and glutathione (GSH) and the activities of enzymatic antioxidants such as ascorbate peroxidase (APX) (EC 1.11.1.11), catalase (CAT) (EC 1.11.1.6), and glutathione reductase (GR) (EC. 1.6.4.2) were measured followed by heat treatments. Additionally, proline content was determined, and heat shock proteins (HSPs) were analyzed with an immunoblotting method to investigate protein markers involved in the heat-stress tolerance of strawberry plants. The contents of AsA and GSH did not change depending on heat stress type, temperatures, or cultivars. While APX and CAT activities increased with high temperatures, GR activity was almost unchanged. The proline content of the cultivars increased in both treatments. Anti-HSP60 immunoblots revealed that a 23 kDa polypeptide was detected during the heat acclimation of strawberry cultivars. The intensity of the heat shock protein in 'R. Hope' plants was more than in 'CG3' plants. Thus, the accumulation of 23 kDa heat shock protein was correlated with the heat tolerance of the cultivars. In conclusion, strawberry leaf tissues of 'R. Hope' were found to enhance the structural stability of cellular membranes under high temperature by increasing both the activity of such enzymes as CAT and APX to activate the antioxidative systems and the expression of 23 kDa HSP.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.3906/tar-1606-144en_US
dc.identifier.issn1303-6173
dc.identifier.issn1300-011X
dc.identifier.scopus2-s2.0-85006256481en_US
dc.identifier.trdizinid214685en_US
dc.identifier.urihttps://hdl.handle.net/11411/2883
dc.identifier.urihttps://doi.org/10.3906/tar-1606-144
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/214685en_US
dc.identifier.wosWOS:000391398900011en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.issue6en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors6en_US
dc.pages908-917en_US
dc.publisherTubitak Scientific & Technical Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal Of Agriculture And Forestryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240718_Mükerrer
dc.subjectAntioxidative enzymeen_US
dc.subjectFragaria x ananassaen_US
dc.subjectheat stressen_US
dc.subjectHSP60en_US
dc.titleEffects of high temperature stress on enzymatic and nonenzymatic antioxidants and proteins in strawberry plantsen_US
dc.typeArticleen_US
dc.volume40en_US

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