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Fig. 4 | BMC Genomics

Fig. 4

From: Global assessment of organ specific basal gene expression over a diurnal cycle with analyses of gene copies exhibiting cyclic expression patterns

Fig. 4

Functional divergence of Ohnologs showing cyclic expression pattern: a intra-organ functional divergence, and b inter-organ functional divergence. In each case, heatmap was used to describe the organ(s) in which gene showing circadian pattern. Colored blocks represent a particular gene that exhibits circadian expression in a particular organ, with the color of the block represented the peak expression Zt. Light gray means no circadian expression was identified. The center red line dividing each heatmap, splits the left and right half of a heatmap, each half represents Ohnolog1 and Ohnolog2, respectively. A majority of Ohnolog pairs showed Ohnolog-specific circadian expression patterns (i.e., sub- and neo-functionalization). S=Skin; B=Brain; O=Ovary; H=Heart; M = Muscle; E = Eye; G = Gills; L = Liver; T = Testis

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