Exogenous melatonin ameliorates ionizing radiation-induced damage by modulating growth, osmotic adjustment and photosynthetic capacity in wheat seedlings

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dc.authoridTarkowski, Petr/0000-0002-7581-7686
dc.authoridÇOLAK, NESRIN/0000-0002-9396-7514
dc.authoridDosedelova, Vera/0000-0003-3580-7405
dc.authorwosidTarkowski, Petr/AAL-7818-2020
dc.authorwosidÇOLAK, NESRIN/AAT-1753-2020
dc.contributor.authorKurt Çelebi, Aynur
dc.contributor.authorÇolak, Nesrin
dc.contributor.authorTorun, Hülya
dc.contributor.authorDosedelova, Vera
dc.contributor.authorTarkowski, Petr
dc.contributor.authorAyaz, Faik Ahmet
dc.date.accessioned2023-07-26T11:51:11Z
dc.date.available2023-07-26T11:51:11Z
dc.date.issued2022
dc.departmentDÜ, Ziraat Fakültesi, Biyosistem Mühendisliği Bölümüen_US
dc.description.abstractAs a multifunctional signal molecule, melatonin (N-acetyl-5-methoxytryptamine) plays many important roles in the regulation of plant growth and development. The effect of melatonin application on enhancing plant stress tolerance has been widely reported, but the ameliorative effect of exogenous melatonin treatment on plants exposed to ionization stress is still unknown. This study investigated the ameliorative effects of two types of melatonin treatment, pre-sowing priming (prMel) and application during growth (ptMel), in wheat (Triticum aestivum L.) seedlings exposed to different radiation doses (100, 200, 300 and 400 Gy) of radioactive cobalt (60Co) gamma rays as dry seeds. The growth parameters, photosynthetic pigments, chlorophyll fluorescence, osmotic potential with soluble sugars, fructans and proline contents were then examined. The results indicated that high doses of ionizing radiation (IR) led to decreases in plant growth, pigment contents, chlorophyll fluo-rescence ratios and osmotic potential. However, soluble sugar, fructan and proline contents increased under IR stress conditions. Both melatonin applications, but particularly prMel, enhanced the morphological parameters, preserved the photosynthetic machinery and regulated the osmotic adjustment of IR-stressed wheat seedlings. Taken together, the findings show that exogenously applied melatonin, particularly prMel, play a significant role in alleviating IR stress in wheat seedlings.en_US
dc.description.sponsorshipResearch Fund of Karadeniz Technical University in Turkey [6978]; Ministry of Agriculture of the Czech [MZE-RO0418]en_US
dc.description.sponsorshipThe support of the Research Fund of Karadeniz Technical University in Turkey (Project Number 6978) is greatly appreciated. This work was also in part supported by the Ministry of Agriculture of the Czech Re- public (institutional support MZE-RO0418) .en_US
dc.identifier.doi10.1016/j.plaphy.2022.07.014
dc.identifier.endpage76en_US
dc.identifier.issn0981-9428
dc.identifier.issn1873-2690
dc.identifier.pmid35961228en_US
dc.identifier.scopus2-s2.0-85135722021en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage67en_US
dc.identifier.urihttps://doi.org/10.1016/j.plaphy.2022.07.014
dc.identifier.urihttps://hdl.handle.net/20.500.12684/12510
dc.identifier.volume187en_US
dc.identifier.wosWOS:000861378600006en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTorun, Hülya
dc.language.isoenen_US
dc.publisherElsevier France-Editions Scientifiques Medicales Elsevieren_US
dc.relation.ispartofPlant Physiology and Biochemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.subjectMelatonin; Gamma Radiation; Triticum Aestivum; Osmolytes; Pigments; Primingen_US
dc.subjectAbiotic Stress Tolerance; Triticum-Aestivum L.; Gamma-Irradiation; Germination; Increases; Responses; Pigments; Prolineen_US
dc.titleExogenous melatonin ameliorates ionizing radiation-induced damage by modulating growth, osmotic adjustment and photosynthetic capacity in wheat seedlingsen_US
dc.typeArticleen_US

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