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Fig. 2 | BMC Ecology and Evolution

Fig. 2

From: Genomic bases underlying the adaptive radiation of core landbirds

Fig. 2

Positively selected and selectively intensified genes related to vision, hearing, and fat digestion and absorption in Strigiformes (highlighted in red). For convenience, the positively selected and/or selectively intensified genes of fat digestion and absorption found in the branches related to Accipitriformes (green) and Falconiformes (blue) are also shown. The top right shows the cross section of inner ear (cochlea), and the lower right shows the phototransduction pathway (according to KEGG pathway map 04744), and the lower left shows the fat digestion and absorption pathway (according to KEGG pathway map 04975). For the phototransduction pathway, the genes that are involved in rods, cones, and both are shown as dark rectangles, white rectangles, and gray rectangles, respectively [16, 18]. *Represents two lost rod-expressed genes, GNGT1 and PDE6A, in both reptiles and birds based on previous studies [16, 18]

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