Regulation of endogenous proline biosynthesis influences boron toxicity response in arabidopsis thaliana

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dc.authorid0000-0003-4102-7990
dc.authorid0000-0001-6528-4591
dc.authorid0000-0003-2036-9780
dc.authorid0000-0002-4781-6264
dc.contributor.authorSaglam, A
dc.contributor.authorDemiralay, Mehmet
dc.contributor.authorOzturk, K.
dc.contributor.authorKüçük L.
dc.contributor.authorKadıoğlu A.
dc.date.accessioned2025-06-22T15:59:05Z
dc.date.available2025-06-22T15:59:05Z
dc.date.issued2025
dc.departmentAÇÜ, Orman Fakültesi, Orman Mühendisliği Bölümü
dc.description.abstractAbstract: The relation between endogenous proline and the tolerance to boron toxicity (BT) was investigated in Arabidopsis thaliana. BT resulted in chlorosis, although esk1-1 was the least affected. Under BT, esk1-1, the proline-overproducing mutant, had the highest osmolarity and proline values, whereas p5cs1-4, the proline-deficient mutant, had the lowest values. Catalase, peroxidase, and superoxide dismutase activities were the most stimulated in Col-0 under BT. Ascorbic acid content was the highest in esk1-1 under BT. The highest expression levels of BOR1 and BOR2 was determined at esk1-1. BOR2 expression was the lowest in p5cs1-4. BOR4 expression level were higher than p5cs1-4 under BT. The NIP6;1 gene expression in Col-0 was higher than esk1-1 and p5cs1-4. Boron content was highest in esk1-1 and lowest in p5cs1-4 leaves. Osmotic regulation, GSH biosynthesis, and induction of B transport proteins were the main mechanisms of esk1-1's tolerance to BT. To avoid BT, p5cs1-4 plants prefer to raise the water potential and to keep boron out by balancing boron uptake and excretion.
dc.identifier.doi10.1134/S1021443724610590
dc.identifier.issn10214437
dc.identifier.issue3
dc.identifier.scopus2-s2.0-105008244681
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://hdl.handle.net/11494/5586
dc.identifier.volume72
dc.indekslendigikaynakScopus
dc.institutionauthorDemiralay, Mehmet
dc.institutionauthorid0000-0001-6528-4591
dc.language.isoen
dc.publisherPleiades Publishing
dc.relation.ispartofRussian Journal of Plant Physiology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectArabidopsis thaliana
dc.subjectBoron toxicity
dc.subjectOsmoregulation
dc.subjectProline
dc.subjectTolerance
dc.subjectTransport
dc.titleRegulation of endogenous proline biosynthesis influences boron toxicity response in arabidopsis thaliana
dc.typeArticle

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