Figure 3.

Clusters of significantly enriched functional groups among genes upregulated under hypoxia in at least 3 experiments. Nodes (circles) represent enriched gene ontology terms. Node size corresponds to the number of genes mapped to the term. Different pairs of terms (i.e., nodes) are connected by edges, where increased edge thickness corresponds to larger pairwise similarity, reflecting the proportion of shared genes.

Malik et al. BMC Genomics 2012 13:615   doi:10.1186/1471-2164-13-615
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