Physiological and molecular changes associated with prevention of woolliness in peach following pre-harvest application of gibberellic acid.

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dc.contributorCAMILA PEGORARO, UFPEL; MÁRCIO ROGGIA ZANUZO, UFMT; FÁBIO CLASEN CHAVES, UFPEL; AURI BRACKMANN, UFSM; CESAR LUIS GIRARDI, CNPUV; LUCIANO LUCCHETTA, UNIVERSIDADE TECNOLÓGICA FEDERAL DO PARANÁ; JOSÉ ADOLFO SILVA, UFPEL; CESAR VALMOR ROMBALDI, UFPEL.
dc.creatorPEGORARO, C.
dc.creatorZANUZO, M. R.
dc.creatorCHAVES, F. C.
dc.creatorBRACKMANN, A.
dc.creatorGIRARDI, C. L.
dc.creatorLUCCHETTA, L.
dc.creatorSILVA, J. A.
dc.creatorROMBALDI, C. V.
dc.date2019-11-02T00:37:23Z
dc.date2019-11-02T00:37:23Z
dc.date2010-05-03
dc.date2010
dc.date2019-11-02T00:37:23Z
dc.date.accessioned2026-07-07T11:28:01Z
dc.descriptionPeach [Prunus persica (L.) Batsch, cv. Chiripá] fruit harvested from plants sprayed with gibberellic acid (GA3), at the beginning (T1) and end of pit hardening (T2), kept under cold storage (CS) and controlled atmosphere (CA/CS), and from plants not sprayed with GA3 (Control) and kept under CS, were evaluated in terms of fruit size and mass, ripening, occurrence of woolliness and expression of supposedly related genes and proteins. Peaches not sprayed with GA3 and submitted to CS had a high incidence of woolliness, high mRNA abundance of vesicle transport genes and low mRNA abundance of genes associated with cell wall loosening, ethylene biosynthesis and heat shock proteins (HSPs). Early GA3 spraying did not delay ripening but induced an increase in fruit size. In addition, it also induced a climacteric rise and prevented the occurrence of woolliness after CS. Woolliness prevention as a result of either GA3 or CA/CS treatments resulted in higher abundance of mRNAs associated with cell wall metabolism, mitochondrial HSPs and 1-aminocyclopropane-1-carboxylic acid oxidase (ACCO). A unique GA3 response consisted of a high mRNA abundance of genes and/or proteins such as HSP40-1er, HSP40-2er, HSPCTR2, Beta-mannosidase (Beta-Man) and Alfa-l-arabinofuranosidase (Alfa-Ara).
dc.identifierPostharvest Biology and Technology, Amsterdam, v. 57, n. 1, p. 19-26, 2010.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/748687
dc.identifier.urihttp://hdl.handle.net/123456789/508985
dc.languageeng
dc.rightsopenAccess
dc.subjectMudança fisiológica
dc.subjectMudança molecular
dc.subjectAtmosfera controlada
dc.subjectFruticultura
dc.subjectPêssego
dc.subjectPós-colheita
dc.subjectArmazenamento
dc.subjectColheita
dc.subjectMaturação
dc.subjectÁcido Giberélico
dc.subjectDano
dc.subjectEtileno
dc.subjectFrio
dc.titlePhysiological and molecular changes associated with prevention of woolliness in peach following pre-harvest application of gibberellic acid.
dc.typeArtigo de periódico

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