Fig. 4

The PCA score plot of the transcriptome of NR, NT and NS (A), Volcano plots to filter the DEGs of berries in different species groups (B), The KEGG enrichment analysis and functional classification of DEGs in different species groups (C). KEGG primary classification results of DEGs (a), secondary classification results of DEGs enriched into “metabolic” category (b), tertiary classification results of DEGs enriched into pathways (c).