Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 21: 40 - 44
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.21.009
Effects of drought stress on anthocyanin metabolism in ‘Cabernet Sauvignon’ grape fruit
Received date: 2025-02-16
Online published: 2025-11-12
To explore the effect of drought stress on anthocyanin metabolism in grape fruits, this study used ‘Cabernet Sauvignon’ grapes as the experimental subjects and set up a drought stress group (DR) and a normal growth control group without drought stress (CK). Fruit samples at the mature stage were collected for non-targeted metabolomics sequencing. Metabolic substances related to anthocyanins were analyzed through methods such as partial least squares discriminant analysis (PLS-DA), cluster analysis and metabolic analysis. PLS-DA indicated that the contribution rates of principal component 1 (PC1) and principal component 2 (PC2) to the total variation were 59.31% and 21.05% respectively, and the cumulative contribution rate of the two reached 80.36%, with significant classification effects among samples. Cluster analysis indicated that a total of 17 differential metabolites of anthocyanidins such as Peonidin-3-O-alpha-arabinopyranoside and 7 differential metabolites of proanthocyanins such as Procyanidin B1 were detected in DR and CK. The content of anthocyanidin substances in grapes after drought stress was significantly lower than that of CK, while the content of proanthocyanidins was higher than that of CK. This study provides a reference for the stress-resistant cultivation of ‘Cabernet Sauvignon’ grapes and the improvement of their quality.
LU Jun , JIN Lei . Effects of drought stress on anthocyanin metabolism in ‘Cabernet Sauvignon’ grape fruit[J]. Anhui Agricultural Science Bulletin, 2025 , 31(21) : 40 -44 . DOI: 10.16377/j.cnki.issn1007-7731.2025.21.009
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