Solar ultraviolet radiation is necessary to enhance grapevine fruit ripening transcriptional and phenolic responses.

ABSTRACT:

Background

Ultraviolet (UV) radiation modulates secondary metabolism in the skin of Vitis vinifera L. berries, which affects the final composition of both grapes and wines. The expression of several phenylpropanoid biosynthesis-related genes is regulated by UV radiation in grape berries. However, the complete portion of transcriptome and ripening processes influenced by solar UV radiation in grapes remains unknown.

Results

Whole genome arrays were used to identify the berry skin transcriptome modulated by the UV radiation received naturally in a mid-altitude Tempranillo vineyard. UV radiation-blocking and transmitting filters were used to generate the experimental conditions. The expression of 121 genes was significantly altered by solar UV radiation. Functional enrichment a

SUBMITTER: Carbonell-Bejerano P 

PROVIDER: S-EPMC4099137 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature