Activation of Photorespiration Facilitates Drought Stress Tolerance in Lotus corniculatus

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dc.authoridBOR, MELIKE/0000-0002-0170-2800
dc.authorscopusid57726867100
dc.authorscopusid57041032300
dc.authorscopusid7003854062
dc.authorscopusid7006765914
dc.authorscopusid6602343431
dc.contributor.authorUnlusoy, Aybuke Guler
dc.contributor.authorYolcu, Seher
dc.contributor.authorBor, Melike
dc.contributor.authorOzdemir, Filiz
dc.contributor.authorTurkan, Ismail
dc.date.accessioned2023-01-12T19:50:08Z
dc.date.available2023-01-12T19:50:08Z
dc.date.issued2022
dc.departmentN/A/Departmenten_US
dc.description.abstractPhotorespiration is the process that recycles 2-phosphoglycolate back to 3-phosphoglycerate resulting from the oxygenase activity of Rubisco. Recent studies proved the importance of photorespiration for plant survival under stress conditions, including drought stress. In the present study, physiological, biochemical and molecular responses of a moderately drought-tolerant plant Lotus corniculatus to PEG-mediated drought stress were examined. Growth, stomatal conductance (g(s)), maximum quantum yield of photosystem II (Fv/Fm), CO2 assimilation (A), electron transport (ETR) and transpiration rates (E) were decreased, whilst intercellular CO2 concentrations (Ci), non-photochemical quenching (NPQ) and photorespiration rates were increased in the drought stress-exposed plants. Activities and expression profiles of photorespiratory cycle enzymes correlated well with the increased photorespiration rates. In the line of our results, we conclude that the activation of photorespiration for recycling 2-phosphoglycolate (2PG) to chloroplast facilitated the maintenance of growth and drought stress tolerance in L. corniculatus. Accordingly, we can speculate that drought stress exerted by PEG20 (20% PEG6000) with an osmotic pressure of -0.73 MPa may be a threshold level for drought tolerance in L. corniculatus since the long-term effects of PEG20 on tolerance-related parameters (RGR, membrane integrity, leaf water status and photosynthesis) were more remarkable.en_US
dc.description.sponsorshipEge University Research Foundation [12-FEN057]en_US
dc.description.sponsorshipThis work was supported by grant-in-aid 12-FEN057 from Ege University Research Foundation.en_US
dc.identifier.doi10.1007/s00344-022-10683-5
dc.identifier.issn0721-7595
dc.identifier.issn1435-8107
dc.identifier.issn0721-7595en_US
dc.identifier.issn1435-8107en_US
dc.identifier.scopus2-s2.0-85131326058en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1007/s00344-022-10683-5
dc.identifier.urihttps://hdl.handle.net/11454/76025
dc.identifier.wosWOS:000804543000001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal Of Plant Growth Regulationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectOsmotic stressen_US
dc.subjectLotusen_US
dc.subjectGas exchangeen_US
dc.subjectLegumesen_US
dc.subjectAbiotic stressen_US
dc.subjectTransgenic Riceen_US
dc.subjectLeavesen_US
dc.subjectPlantsen_US
dc.subjectPhotosynthesisen_US
dc.subjectGrapevineen_US
dc.subjectProlineen_US
dc.subjectPhotoprotectionen_US
dc.subjectAccumulationen_US
dc.subjectPhysiologyen_US
dc.subjectJaponicusen_US
dc.titleActivation of Photorespiration Facilitates Drought Stress Tolerance in Lotus corniculatusen_US
dc.typeArticleen_US

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