| Whole-genome comparative annotation and regulatory motif discovery in multiple yeast species; 2003 (2003) | |||||||||||||||||
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| In [13] we reported the genome sequences of S. paradoxus, S. mikatae and S. bayanus and compared these three yeast species to their close relative, S. cerevisiae. Genome-wide comparative analysis allowed the identification of functionally important sequences, both coding and non-coding. In this companion paper we describe the mathematical and algorithmic results underpinning the analysis of these genomes. We developed methods for the automatic comparative annotation of the four species and the determination of orthologous genes and intergenic regions. The algorithms enabled the automatic identification of orthologs for more than 90 % of genes despite the large number of duplicated genes in the yeast genome, and the discovery of recent gene family expansions and genome rearrangements. We also developed a test to validate | |||||||||||||||||
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