ArticleFoods (Basel, Switzerland)2023
Effects of Vine Water Status on Malate Metabolism and γ-Aminobutyric Acid (GABA) Pathway-Related Amino Acids in Marselan (
Article in Foods (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Traditional and Innovative Processing of Georgian Myrobalan Plum (Food science & nutrition · 2026Article
- Comprehensive Analysis of thePlants (Basel, Switzerland) · 2025Article
- Malate metabolism in horticultural crops: mechanistic insights and agricultural practices for quality improvement.Molecular horticulture · 2025Review
- Sheep Manure-Tail Vegetable-Corn Straw Co-Composting Improved the Yield and Quality of Mini Chinese Cabbage.Foods (Basel, Switzerland) · 2025Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
Abstract
Malic acid is the predominant organic acid in grape berries, and its content is affected by abiotic factors such as temperature (fruit zone microclimate) and water (vine water status). The objectives of this study were to explore the potential mechanisms behind the effects of vine water status on the biosynthesis and degradation of berry malic acid and the potential downstream effects on berry metabolism. This study was conducted over two growing seasons in 2021 and 2022, comprising three watering regimes: no water stress (CK), light water stress (LWS), and moderate water stress (MWS). Compared to CK, a significantly higher level of malic acid was found in berries from the MWS treatment when the berry was still hard and green (E-L 33) in both years. However, water stress reduced the malic acid content at the ripe berry harvest (E-L 38) stage. The activities of NAD-malate dehydrogenase (NAD-MDH) and pyruvate kinase (PK) were enhanced by water stress. Except for the E-L 33 stage, the activity of phosphoenolpyruvate carboxylase (PEPC) was reduced by water stress. The highest phosphoenolpyruvate carboxykinase (PEPCK) activity was observed at the berry veraison (E-L 35) stage and coincided with the onset of a decrease in the malate content. Meanwhile, the expression of
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