Vitis vinifera secondary metabolism as affected by sulfate depletion: Diagnosis through phenylpropanoid pathway genes and metabolites

► Anthocyanin and trans-resveratrol accumulate in −S grapevine plantlets. ► Trans-resveratrol glucoside accumulates in −S grapevine cell cultures. ► StSy and CHS expression is up-regulated in −S grapevine plantlets. ► StSy transcription is up-regulated but CHS is inhibited in −S cell cultures.