Transcription Factor VlbZIP14 Inhibits Postharvest Grape Berry Abscission by Directly Activating VlCOMT and Promoting Lignin Biosynthesis.

ABSTRACT: Sulfur dioxide (SO₂) is the most effective preservative for table grapes as it reduces the respiratory intensity of berries and inhibits mold growth. However, excessive SO₂ causes berry abscission during storage, resulting in an economic loss postharvest. In this study, grapes were exogenously treated with SO₂, SO₂ + 1.5% chitosan, SO₂ + 1.5% eugenol, and SO₂ + eugenol-loaded chitosan nanoparticles (SN). In comparison to SO₂ treatment, SN treatment reduced the berries' abscission rate by 74% while maintaining the quality of the berries. Among the treatments, SN treatment most effectively inhibited berry abscission and maintained berry quality. RNA-sequencing (RNA-seq) revealed that SN treatment promoted the expres

SUBMITTER: Yu P 

PROVIDER: S-EPMC11395120 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature