Fig. 3
From: New genes drive the evolution of gene interaction networks in the human and mouse genomes
Average rate of evolving linking partners (interactions / myr) for genes from different phylogenetic branches based on the human PPI network (a) and mouse PPI network (b). The dash line indicates the power regression correlation between evolution rates of interactions for genes and their divergence times. Numbers near each data point are phylogenetic branch assignments for each group of genes. The divergence time of each gene age group is assigned as the middle time point for each branch. And the oldest branch (branch 0) is arbitrarily set as 500 myr