RNA-Seq of Vitis vinifera: Blue-black skin grape
Fruits were harvested at technological ripening stage from the Experimental Vineyard of Qingdao Agricultural University (Qingdao, China). All these grape cultivars were own-rooted and grown under rain shelters following standard fertilization, irrigation and pest-management practices. For every cultivar, three biological replicates were sampled and every replicate includes 200 berries, which was randomly collected from at least 10 different grape clusters from both sides of the canopy. All the berries were frozen in liquid nitrogen immediately and then kept at -80  for transcriptome and metabolome analysis.