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Biochemical analyses and expression of cold transcription factors of the late PDO ‘Calanda’ peach under different post-harvest conditions

AuthorsMonteagudo Gálvez, Arantxa; Font i Forcada, Carolina ; Estopañán, Gloria; Dodd, Richard S.; Alonso, José Manuel; Rubio-Cabetas, María José; Fernández i Marti, Ángel
KeywordsPrunus persica
chilling injury
cold storage
real time-PCR
gene expression
Issue DateAug-2018
CitationMonteagudo A, Font i Forcada C, Estopañán G, Dodd RS, Alonso JM, Rubio-Cabetas MJ, Fernández i Martí A. Biochemical analyses and expression of cold transcription factors of the late PDO ‘Calanda’ peach under different post-harvest conditions. Scientia Horticulturae 238: 116-125 (2018)
AbstractThe peach of the designation of origin ‘Calanda’ that is much appreciated in the Spanish market for its high fruit quality, is produced from a few very late ripening traditional cultivars. We characterized the organoleptic, nutritional and post-harvest quality of the ‘Calanda’ cultivars ‘Calante’ and ‘Calprebor’ following different harvest dates. The expression profile of genes associated with cold storage and chilling induction was studied under different post-harvest treatments in the two cultivars. Organoleptic and physicochemical damage were more severe under storage at 5 °C than at 1 °C. The ‘Calante’ peaches showed less severity of chilling injury damage, better skin color, and higher phenolic content during cold storage, whereas the ‘Calprebor’ peaches showed greater firmness and higher glucose and fructose content during the post-harvest treatment. Cold transcription factors, CBF, and bZIP, increased cold storage and chilling injury resistance in the ‘Calante’ peaches. In addition, expression of GST22 may also promote resistance against cold damage, contributing to a higher firmness and phenolic content.
Description37 pags.- 1 Tabl.- 8 Figs. The definitive version is available at: https://www.sciencedirect.com/science/journal/03044238
Publisher version (URL)10.1016/j.scienta.2018.04.043
Appears in Collections:(EEAD) Artículos
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