ArticleFood chemistry. Molecular sciences2025
Exogenous proline regulates the antioxidation system and fruit quality of cherry tomatoes under chilling storage: Integrated physiological, metabolomic, and transcriptomic study.
Article in Food chemistry. Molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Advances in the Application of Amino Acids in the Preservation of Postharvest Fruits and Vegetables.Foods (Basel, Switzerland) · 2026Review
- From green to red: metabolic reprogramming and bacterial community succession underpin cherry tomato fruit ripening and quality formation.Frontiers in plant science · 2026Article
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6 authors.
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Abstract
Cherry tomatoes fruits suffer from chilling stress during storage. Proline (Pro) is a vital amino acid to alleviate the stress. However, the biochemical mechanisms remained unclear. A field experiment was conducted with spraying distilled water (T0) or Pro solution during the growth period (T1); mature fruits were sampled at the date of harvest (D0) and stored at 4 °C for 20 d after harvest (D1). Results showed that the alanine content was increased by 1.7 %-8.0 % while the arginine content was reduced by 12.7 %-61.5 % under D1T1 compared with D1T0. The sugar acid ratio in D0T1 vs D1T1 was reduced to 65.9 % lower than that in D0T0 vs D1T0, although Pro treatment decreased the sugar acid ratio. Multivariate analysis revealed that PC1 accounted for 93.1 % in principal component analysis. The enzymatic activity of superoxide dismutase, ascorbate peroxidase, the amino acid content of glutamate and γ-aminobutyric acid were positively related to Pro content. Integrated metabolomic and transcriptomic analysis revealed that differentially expressed metabolites and genes were enriched in phenylalanine metabolism and lignin biosynthesis pathways.
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