Fig. 2From: Tissue-specific transcriptome analyses reveal candidate genes for stilbene, flavonoid and anthraquinone biosynthesis in the medicinal plant Polygonum cuspidatumCorrelation analysis of gene expression levels between real-time quantitative PCR (RT-qPCR) and transcriptome data for 25 selected Polygonum cuspidatum genes. a Each colored point represents an expression level-based fold-change value from the stem compared with a value from the leaf. b Each point represents an expression level-based fold-change value from the root compared with a value from the leafBack to article page