Oxford University Press (OUP), Bioinformatics, 12(26), p. 1481-1487
DOI: 10.1093/bioinformatics/btq229
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Motivation: Identifying orthologous genes in multiple genomes is a fundamental task in comparative genomics. Construction of intergenomic symmetrical best matches (SymBets) and joining them into clusters is a popular method of ortholog definition, embodied in several software programs. Despite their wide use, the computational complexity of these programs has not been thoroughly examined.