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Fig. 3 | BMC Molecular and Cell Biology

Fig. 3

From: Conserved paradoxical relationships among the evolutionary, structural and expressional features of KRAB zinc-finger proteins reveal their special functional characteristics

Fig. 3

The expression width of KZFP genes with different gene age grades or SDR grades in mammals. Samples in 7 mammals, including early embryonic development, three directions of ESCs differentiation, organs from early organogenesis to adulthood and adult tissues or organs were used in the analysis. Heatmap shows the percentage of expression width of each gene age grade (a) or SDR grade (b) in each sample. The number in the box on the left represents the total number of samples. The number of KZFPs and PCGs in each category is in Additional file 10. The category with gene number 0 is displayed in gray. The differences of expression width between KZFP genes and PCGs with different categories are examined by Mann–Whitney U test. The corrected P values are shown in the top of each panel. ns: p > 0.05, *: p < 0.05, **: p < 0.01, ***: p < 0.001, ****: p < 0.0001. Gene age grade: CO − Op, Cellular organisms−Opisthokonta; Eu-Ve, Eumetazoa−Vertebrata; Ma, Mammalia

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