PACLOBUTRAZOL DEPENDENT SALT TOLERANCE IS RELATED TO CLC1 AND NHX1 GENE EXPRESSION IN SOYBEAN PLANTS

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dc.authoridTodorova, Dessislava/0000-0001-7100-834X
dc.authoridShopova, Elena/0000-0001-6054-2408
dc.contributor.authorDinler, Burcu Seckin
dc.contributor.authorCetinkaya, Hatice
dc.contributor.authorSergiev, Iskren
dc.contributor.authorShopova, Elena
dc.contributor.authorTodorova, Dessislava
dc.date.accessioned2025-03-23T19:27:02Z
dc.date.available2025-03-23T19:27:02Z
dc.date.issued2022
dc.departmentSinop Üniversitesi
dc.description.abstractPaclobutrazol (PBZ) enhances plant resistance to salt stress in two ways: directly, by straight clearance of reactive oxygen species; and indirectly by enhancing antioxidant enzyme activity, photosynthetic efficiency, and metabolite content, and by regulating transcription factors associated with stress. However, the regulatory effects of PBZ under salt stress in soybean are still not well explained and need further investigation. With this aim, the combination effect of salinity (250 mM NaCl) and three different doses of PBZ (5, 10 and 20 ppm) on physiological, biochemical and molecular traits of soybean (Glycine max L.) leaves were studied in soil experiments. Furthermore, physiological parameters (relative growth rate, relative water content), chlorophyll, malondialdehyde (MDA), hydrogen peroxide (H2O2) content and as well as enzymatic antioxidants (SOD, POX, APX, CAT and GST), ion content (Na, Cl) and soybean Na+/H+ antiporter GmNHX1 and chloride channel GmCLC1 gene expressions were investigated. The results showed that PBZ caused a reduction in salt-induced damages and an increase in biomass yield, water status, and chlorophyll. Moreover, PBZ regulated enzymatic antioxidants and alleviated the oxidative damages under salinity. In this study, for a first time it was determined that PBZ increased both GmNHX1 (ABA dependent or independent) and GmCLC1 (ABA independent) gene expressions and reduced Na and Cl concentrations in soybean under salinity. In conclusion, PBZ plays a role as a regulator and stimulant in salt stress response by mostly regulating ion balance in soybean leaves.
dc.identifier.doi10.24326/asphc.2022.3.3
dc.identifier.endpage38
dc.identifier.issn1644-0692
dc.identifier.issn2545-1405
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85133714867
dc.identifier.scopusqualityQ3
dc.identifier.startpage25
dc.identifier.urihttps://doi.org/10.24326/asphc.2022.3.3
dc.identifier.urihttps://hdl.handle.net/11486/4820
dc.identifier.volume21
dc.identifier.wosWOS:000822328600003
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherUniv Life Sciences Lublin
dc.relation.ispartofActa Scientiarum Polonorum-Hortorum Cultus
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectGmNHX1
dc.subjectGmClC1
dc.subjectpaclobutrazol
dc.subjectsoybean
dc.subjectsalinity
dc.titlePACLOBUTRAZOL DEPENDENT SALT TOLERANCE IS RELATED TO CLC1 AND NHX1 GENE EXPRESSION IN SOYBEAN PLANTS
dc.typeArticle

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