Exogenous proline regulates the antioxidation system and fruit quality of cherry tomatoes under chilling storage: Integrated physiological, metabolomic, and transcriptomic study.

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. Th

SUBMITTER: Huang S 

PROVIDER: S-EPMC12546899 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature