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Fig. 2 | Genome Biology

Fig. 2

From: Regulatory remodeling in the allo-tetraploid frog Xenopus laevis

Fig. 2

a Scatterplot of the expression level (log2 TPM) of L and S homeologs that are both expressed. The expression level of homeolog genes is generally similar (Pearson R = 0.60, p < 1e-300). b Fraction of epigenetic signals (“peaks”) conserved in X. laevis compared to X. tropicalis. Promoters appear more conserved than enhancers; S has lost more epigenetic elements than L. c Active functional elements are equally conserved between L and S compared to X. tropicalis. The background level of sequence conservation in fourfold degenerate sites from coding sequences with respect to X. tropicalis is 78.4% in L and 77.7% in S

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