Unravelling the molecular regulation mechanisms of slow ripening trait in prunus persica
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Fecha
2021-11
Profesor/a Guía
Facultad/escuela
Idioma
en
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Editor
MDPI
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Licencia CC
Attribution 4.0 International
CC BY 4.0
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Licencia CC
https://creativecommons.org/licenses/by/4.0/
Resumen
Fruit development is a complex process that involves the interplay of cell division, expan-sion, and differentiation. As a model to study fruit development, nectarines incapable of ripening were described as slow ripening. Slow ripening fruits remained firm and exhibited no rise in CO2 or ethylene production rates for one month or more at 20◦ C. Different studies suggest that this trait is controlled by a single gene (NAC072). Transcriptome analysis between normal and slow ripening fruits showed a total of 157, 269, 976, and 5.224 differentially expressed genes in each fruit developmental stage analyzed (T1, T2, T3, and T7, respectively), and no expression of NAC072 was found in the slow ripening individuals. Using this transcriptomic information, we identified a correlation of NAC072 with auxin-related genes and two genes associated with terpene biosynthesis. On the other hand, significant differences were observed in hormonal biosynthetic pathways during fruit development between the normal and slow ripening individuals (gibberellin, ethylene, jasmonic acid and abscisic acid). These results suggest that the absence of NAC072 by the direct or indirect expression or control of auxins or terpene-related genes prevents normal peach fruit development. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Notas
Indexación: Scopus.
Palabras clave
Abscisic acid, Auxins, Ethylene, Gibberellins, Jasmonic acid, NAC072, Slow ripening
Citación
Plants, Volume 10, Issue 11, November 2021, Article number 2380
DOI
10.3390/plants10112380