Identification of metabolite and lipid profiles in a segregating peach population associated with mealiness in prunus persica (L.) batsch

Victoria Lillo-Carmona, Alonso Espinoza, Karin Rothkegel, Miguel Rubilar, Ricardo Nilo-Poyanco, Romina Pedreschi, Reinaldo Campos-Vargas, Claudio Meneses

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

4 Citas (Scopus)

Resumen

The peach is the third most important temperate fruit crop considering fruit production and harvested area in the world. Exporting peaches represents a challenge due to the long-distance nature of export markets. This requires fruit to be placed in cold storage for a long time, which can induce a physiological disorder known as chilling injury (CI). The main symptom of CI is mealiness, which is perceived as non-juicy fruit by consumers. The purpose of this work was to identify and compare the metabolite and lipid profiles between two siblings from contrasting populations for juice content, at harvest and after 30 days at 0 °C. A total of 119 metabolites and 189 lipids were identified, which showed significant differences in abundance, mainly in amino acids, sugars and lipids. Metabolites displaying significant changes from the E1 to E3 stages corresponded to lipids such as phosphatidylglycerol (PG), monogalactosyldiacylglycerol (MGDG) and lysophosphatidylcholines (LPC), and sugars such as fructose 1 and 1-fructose-6 phosphate. These metabolites might be used as early stage biomarkers associated with mealiness at harvest and after cold storage.

Idioma originalInglés
Número de artículo154
PublicaciónMetabolites
Volumen10
N.º4
DOI
EstadoPublicada - abr 2020

Áreas temáticas de ASJC Scopus

  • Endocrinología, diabetes y metabolismo
  • Bioquímica
  • Biología molecular

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