Additional file 1.

The correlation between all ORFs and OG pairs in 177 genomes. As expected, the number of OG pairs in each genome is significantly correlated with its total number of ORFs (Pearson's correlation coefficient is 0.668; P < 0.01).

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Luo et al. BMC Bioinformatics 2007 8:266   doi:10.1186/1471-2105-8-266