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dc.creatorŽivanović, Bojana
dc.creatorMilić Komić, Sonja
dc.creatorTosti, Tomislav
dc.creatorVidović, Marija
dc.creatorProkić, Ljiljana
dc.creatorVeljović Jovanović, Sonja
dc.date.accessioned2020-12-11T18:41:11Z
dc.date.available2020-12-11T18:41:11Z
dc.date.issued2020
dc.identifier.issn2223-7747
dc.identifier.urihttp://cherry.chem.bg.ac.rs/handle/123456789/4266
dc.description.abstractWater deficit has a global impact on plant growth and crop yield. Climate changes are going to increase the intensity, duration and frequency of severe droughts, particularly in southern and south-eastern Europe, elevating the water scarcity issues. We aimed to assess the contribution of endogenous abscisic acid (ABA) in the protective mechanisms against water deficit, including stomatal conductance, relative water potential and the accumulation of osmoprotectants, as well as on growth parameters. To achieve that, we used a suitable model system, ABA-deficient tomato mutant, flacca and its parental line. Flacca mutant exhibited constitutively higher levels of soluble sugars (e.g., galactose, arabinose, sorbitol) and free amino acids (AAs) compared with the wild type (WT). Water deficit provoked the strong accumulation of proline in both genotypes, and total soluble sugars only in flacca. Upon re-watering, these osmolytes returned to the initial levels in both genotypes. Our results indicate that flacca compensated higher stomatal conductance with a higher constitutive level of free sugars and AAs. Additionally, we suggest that the accumulation of AAs, particularly proline and its precursors and specific branched-chain AAs in both, glucose and sucrose in flacca, and sorbitol in WT, could contribute to maintaining growth rate during water deficit and recovery in both tomato genotypes.
dc.languageen
dc.publisherMDPI
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200053/RS//
dc.rightsopenAccess
dc.sourcePlants
dc.subjectflacca mutant
dc.subjectABA
dc.subjectAilsa Craig cv.
dc.subjectarabinose
dc.subjectbranched-chain amino acids
dc.subjectgalactose
dc.subjectproline
dc.subjectre-watering
dc.subjectwater deficit
dc.titleLeaf Soluble Sugars and Free Amino Acids as Important Components of Abscisic Acid—Mediated Drought Response in Tomato
dc.typearticleen
dc.rights.licenseBY
dcterms.abstractПрокић, Љиљана; Видовић, Марија; Вељовић Јовановић, Соња; Живановић, Бојана; Милић Комић, Соња; Тости, Томислав; Леаф Солубле Сугарс анд Фрее Aмино Aцидс ас Импортант Цомпонентс оф Aбсцисиц Aцид—Медиатед Дроугхт Респонсе ин Томато;
dc.citation.volume9
dc.citation.issue9
dc.citation.spage1147
dc.identifier.wos000581234100001
dc.identifier.doi10.3390/plants9091147
dc.citation.rankM21~
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85093899211
dc.identifier.fulltexthttp://cherry.chem.bg.ac.rs/bitstream/id/26397/Leaf_Soluble_Sugars_pub_2020.pdf


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