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. 2020 Sep 7;21:611. doi: 10.1186/s12864-020-07028-5

Fig. 2.

Fig. 2

Metabolome profiling of the petal samples of pink-flowered and white-flowered tobacco. a Classification of the 215 detected metabolites into nine classes; b Heatmap clustering showing correlation between the pink and white flower samples based on 215 metabolite profiles. Y87: Yunyan 87 (pink flower); Y87W: Yunyan 87 mutant (white flower). Color scale from pink to green in the heatmap represents the normalized metabolite contents using Row Z-score