A multiomics integrative analysis of color de-synchronization with softening of ‘Hass’ avocado fruit: A first insight into a complex physiological disorder

Gerardo Núñez-Lillo, Excequel Ponce, Camila Arancibia-Guerra, Sebastien Carpentier, Alegría Carrasco-Pancorbo, Lucía Olmo-García, Rosana Chirinos, David Campos, Reinaldo Campos-Vargas, Claudio Meneses, Romina Pedreschi

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

6 Citas (Scopus)

Resumen

Exocarp color de-synchronization with softening of ‘Hass’ avocado is a relevant recurrent problem for the avocado supply chain. This study aimed to unravel the mechanisms driving this de-synchronization integrating omics datasets from avocado exocarp of different storage conditions and color phenotypes. In addition, we propose potential biomarkers to predict color synchronized/de-synchronized fruit. Integration of transcriptomics, proteomics and metabolomics and network analysis revealed eight transcription factors associated with differentially regulated genes between regular air (RA) and controlled atmosphere (CA) and twelve transcription factors related to avocado fruit color de-synchronization control in ready-to-eat stage. CA was positively correlated to auxins, ethylene, cytokinins and brassinosteroids-related genes, while RA was characterized by enrichment of cell wall remodeling and abscisic acid content associated genes. At ready-to-eat higher contents of flavonoids, abscisic acid and brassinosteroids were associated with color-softening synchronized avocados. In contrast, de-synchronized fruit revealed increases of jasmonic acid, salicylic acid and auxin levels.

Idioma originalInglés
Número de artículo135215
PublicaciónFood Chemistry
Volumen408
DOI
EstadoPublicada - 15 may. 2023

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