Investigation of the transcriptomic and metabolic changes associated with superficial scald physiology impaired by lovastatin and 1-methylcyclopropene in pear fruit (cv. “Blanquilla”)
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Autor/a
Giné-Bordonaba, Jordi
Busatto, Nicola
Lindo-García, Violeta
Vrhovsek, Urska
Farneti, Brian
Biasioli, Franco
De Quattro, Concetta
Rossato, Marzia
Delledonne, Massimo
Costa, Fabrizio
Fecha de publicación
2020-04-01ISSN
2052-7276
Resumen
To elucidate the physiology underlying the development of superficial scald in pears, susceptible “Blanquilla” fruit was treated with different compounds that either promoted (ethylene) or repressed (1-methylcyclopropene and lovastatin) the incidence of this disorder after 4 months of cold storage. Our data show that scald was negligible for the fruit treated with 1-methylcyclopropene or lovastatin, but highly manifested in untreated (78% incidence) or ethylene-treated fruit (97% incidence). The comparison between the fruit metabolomic profile and transcriptome evidenced a distinct reprogramming associated with each treatment. In all treated samples, cold storage led to an activation of a cold-acclimation-resistance mechanism, including the biosynthesis of very-long-chain fatty acids, which was especially evident in 1-methylcyclopropane-treated fruit. Among the treatments applied, only 1-methylcyclopropene inhibited ethylene production, hence supporting the involvement of this hormone in the development of scald. However, a common repression effect on the PPO gene combined with higher sorbitol content was found for both lovastatin and 1-methylcyclopropene-treated samples, suggesting also a non-ethylene-mediated process preventing the development of this disorder. The results presented in this work represent a step forward to better understand the physiological mechanisms governing the etiology of superficial scald in pears.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
663/664 - Alimentos y nutrición. Enología. Aceites. Grasas
Páginas
17
Publicado por
Springer Nature
Publicado en
Horticulture Research
Citación
Giné-Bordonaba, Jordi, Nicola Busatto, Christian Larrigaudière, Violeta Lindo-García, Gemma Echeverria, Urska Vrhovsek, and Brian Farneti et al. 2020. "Investigation Of The Transcriptomic And Metabolic Changes Associated With Superficial Scald Physiology Impaired By Lovastatin And 1-Methylcyclopropene In Pear Fruit (Cv. “Blanquilla”)". Horticulture Research 7 (1). Springer Science and Business Media LLC. doi:10.1038/s41438-020-0272-x.
Número del acuerdo de la subvención
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2017-87923-R/ES/CARACTERIZACION VARIETAL DE LA REGULACION BIOQUIMICA DEL ESCALDADO SUPERFICIAL EN PERA/
Program
Postcollita
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