Fig. 1

CM-specific genes are longer than constitutively expressed genes with similar expression levels. a Gene categorization by expression patterns from all three cell types (Exp_Km12). ESC: embryonic stem cells; CM: cardiomyocytes. W8: adult, 8 weeks old. b Relative gene expression patterns of 12 clusters. Const; constitutively expressed gene. P1: neonatal day 1. c Gene length distribution among the 12 clusters of CMs and Const genes (top) and among the cell-type-specific genes (bottom). d Statistical evaluation of gene lengths among the clusters via Kolmogorov Smilnov testing