Fig. 4From: Metabolome and transcriptome profiling reveals anthocyanin contents and anthocyanin-related genes of chimeric leaves in Ananas comosus var. bracteatusMetabolite profiles between GR and RE. a Heatmap and hierarchical clustering showing differentially produced metabolites (DPMs). b PCA plot. c OPLS-DA plot. d Volcano plots of upregulated and downregulated metabolites. e KEGG enrichment plot of DPMsBack to article page