Fig. 4

Assembly of super-clusters. a Normalized FPKM values of the set of 2,938 transcripts were clustered into 25 groups using the k-means algorithm. Clusters with similar expression profiles across developmental stages were grouped into six super-clusters. Three major developmental stages (early maturation (green), mid-to-late maturation (blue), and desiccation (red)) containing 94.5 % of the transcript population were identified. b Trends involving changes in metabolites and transcript levels [28] were grouped by developmental stages and color coded as corresponding three major super-clusters