Carbon metabolism of peach fruit after harvest: changes in enzymes involved in organic acid and sugar level modifications
- Borsani, Julia
- Budde, Claudio Olaf
- Porrini, Lucía
- Lauxmann, Martin Alexander
- Lombardo, Verónica Andrea
- Murray, Ricardo Ernesto
- Andreo, Carlos Santiago
- Drincovich, María Fabiana
- Lara, María Valeria
DOIAbstract
Peach (Prunus persica L. Batsch) is a climacteric fruit that ripens after harvest, prior to human consumption. Organic acids and soluble sugars contribute to the overall organoleptic quality of fresh peach; thus, the integrated study of the metabolic pathways controlling the levels of these compounds is of great relevance. Therefore, in this work, several metabolites and enzymes involved in carbon metabolism were analysed during the post-harvest ripening of peach fruit cv ‘Dixiland’. Depending on the enzyme studied, activity, protein level by western blot, or transcript level by quantitative real time-PCR were analysed. Even though sorbitol did not accumulate at a high level in relation to sucrose at harvest, it was rapidly consumed once th...
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