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Fig. 5 | BMC Plant Biology

Fig. 5

From: Global identification, structural analysis and expression characterization of bHLH transcription factors in wheat

Fig. 5

Heat map of expression levels of wheat bHLH transcription factor family genes at different growth periods in different tissues and organs. The lines link gene structures and expression levels. Each subfamily is represented by a different color. a Grouping of 225 bHLH genes into 24 subfamilies according to gene structure. b Clustering of bHLH gene expression patterns into 14 subgroups (SGs). Seven blocks (ag) correspond to higher expression levels. c Enlarged map section showing details of bHLH gene expression of block g as an example. d These expression profile data were obtained using qPCR. The ‘scale’ function in R was used to normalize relative expression values. The heat map was generated using the Pheatmap package of R. FPKM values were normalized using the ‘scale’ function in R

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