Algorithm 457: finding all cliques of an undirected graph
Communications of the ACM
A method for inferring biological functions using homologous genes among three genomes
BSB'07 Proceedings of the 2nd Brazilian conference on Advances in bioinformatics and computational biology
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We present a simple method to obtain groups of homologous genes across multiple (k) organisms, called kGC. It takes all-againstall BLASTP comparisons as input and produces groups of homologous sequences as output. The algorithm is based on the identification of maximal cliques in graphs of sequences and paralogous groups. We have used our method on six Actinobacterial complete genomes and investigated the Pfam classification of the homologous groups with respect to the results produced by OrthoMCL. Although kGC is simpler, it presented similar results with respect to Pfam classification in reasonable time.