Visualization of undirected graph. The clusters of highly conserved ORFs are presented, based on a very small subset taken from Acinetobacter baumannii. Nodes represent genes, and identical color means genes from the same genome. The numbers are just identifiers within each genome. First we discard the clusters having less than 3 genes, i.e. red:6-yellow:7. Next, the medoide gene from each remaining cluster forms the set of Positives.
Mehmood et al. BMC Bioinformatics 2012 13:97 doi:10.1186/1471-2105-13-97