Show simple item record

dc.creatorKuhn, Nathalie
dc.creatorPonce, Claudio
dc.creatorArellano, Macarena
dc.creatorTime, Alson
dc.creatorSagredo, Boris
dc.creatorDonoso, José Manuel
dc.creatorMeisel, Lee A.
dc.date.accessioned2021-09-02T19:21:55Z
dc.date.available2021-09-02T19:21:55Z
dc.date.issued2020es_CL
dc.identifier.urihttp://hdl.handle.net/10533/252943
dc.description.abstractSeveral phytohormones modulate ripening in non-climacteric fruits, which is triggered by abscisic acid (ABA). Gibberellins (GAs) are present during the onset of ripening in sweet cherry fruits, and exogenous gibberellic acid (GA3) application delays ripening, though this effect is variety-dependent. Although an ABA accumulation delay has been reported following GA3 treatment, the mechanism by which GA modulates this process has not been investigated at the molecular level in sweet cherry. Therefore, the aim of this work is to analyze the effect of GA3 on the fruit ripening process and the transcript levels of ABA pathway orthologs in two varieties having different maturity time phenotypes. The early-season variety had a rapid transition from yellow to pink fruit color, whereas pink color initiation took longer in the mid-season variety. GA3 increased the proportion of lighter colored fruits at ripeness in both varieties, but it produced a delay in IAD—a ripening index—only in the mid-season variety. This delay was accompanied by an increased transcript abundance of PavPP2Cs, which are putative negative regulators of the ABA pathway. On the other hand, the early-season variety had increased expression of PavCYP707A2—a putative ABA catabolic gene–, and reduced transcript levels of PavPP2Cs and SnRK2s after the GA3 treatment. Together these results show that GA modulates fruit ripening, exerting its action in part by interacting with the ABA pathway in sweet cherry.es_CL
dc.relationinstname: ANID
dc.relationreponame: Repositorio Digital RI2.0
dc.relation.urihttps://www.mdpi.com/2223-7747/9/12/1796es_CL
dc.rightsinfo:eu-repo/semantics/openAccesses_CL
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.titleGibberellic Acid Modifies the Transcript Abundance of ABA Pathway Orthologs and Modulates Sweet Cherry (Prunus avium) Fruit Ripening in Early-and Mid-Season Varietieses_CL
dc.typeArticulo
dc.identifier.folio21190238es_CL
dc.relation.projectidinfo:eu-repo/grantAgreement//21190238es_CL
dc.relation.setinfo:eu-repo/semantics/dataset/hdl.handle.net/10533/93477
dc.rights.driverinfo:eu-repo/semantics/openAccess
dc.title.journalplantses_CL
dc.type.driverinfo:eu-repo/semantics/article
dc.type.openaireinfo:eu-repo/semantics/publishedVersion


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record

info:eu-repo/semantics/openAccess
Except where otherwise noted, this item's license is described as info:eu-repo/semantics/openAccess