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Effect of chilling and acclimation on the activity of glutamine synthetase isoforms in maize seedlings

dc.creatorSimonović, Ana
dc.creatorAnderson, Marc D.
dc.date.accessioned2021-02-10T13:14:52Z
dc.date.available2021-02-10T13:14:52Z
dc.date.issued2007
dc.identifier.issn0354-4664
dc.identifier.urihttps://radar.ibiss.bg.ac.rs/handle/123456789/4130
dc.description.abstractEffects of chilling and acclimation on the activity of cytosolic (GS1) and plastidic (GS2) isoforms of glutamine synthetase (E.C. 6.3.1.2) were studied in chilling-sensitive and acclimation-responsive maize inbred G50. Glutamine synthetase activity in mesocotyls and roots of chilled (7 d/4ºC) and rewarmed (1 d/27ºC) etiolated plants was "1/3 that of controls. In coleoptiles+leaves of light-grown plants, GS1 was reduced to 75%, and GS2 to 50%. Acclimation (3 d/14ºC) increased GS activity and alleviated the effects of chilling. Exposure to H2O2 or menadione also reduced GS activity. Since chilling causes oxidative stress in maize, acclimation probably preserves GS activity by protecting GS from oxidative inactivation.sr
dc.language.isoensr
dc.publisherBelgrade: Serbian Biological Societysr
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/143031/RS//sr
dc.relationU.S. Department of Agriculture, agreement No. 2002-35100-12054sr
dc.relationND-EPSCoRsr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceArchives of Biological Sciencessr
dc.subjectacclimationsr
dc.subjectchillingsr
dc.subjectglutamine synthetasesr
dc.subjectmaizesr
dc.subjectoxidative stresssr
dc.subjectphosphate precipitationsr
dc.titleEffect of chilling and acclimation on the activity of glutamine synthetase isoforms in maize seedlingssr
dc.typearticlesr
dc.rights.licenseBY-NC-NDsr
dcterms.abstractAндерсон, Марц Д.; Симоновић, Aна Д.;
dc.rights.holder© 2007 by the Serbian Biological Societysr
dc.citation.issue3
dc.citation.volume59
dc.identifier.doi10.2298/ABS0703177S
dc.identifier.wos000254919900003
dc.citation.spage177
dc.citation.epage185
dc.type.versionpublishedVersionsr
dc.identifier.fulltexthttps://radar.ibiss.bg.ac.rs/bitstream/id/8102/bitstream_8102.pdf


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