Table 2

Correlation between ortholog substitution levels and the number of paralogs

Speciesa
Slopeb
r2c
Pd

Human – Mouse
-1.0 × 10-4
3.0 × 10-3
7.2 × 10-13
Drosophila Anopheles
-8.0 × 10-4
5.2 × 10-3
9.6 × 10-10
S. cerevisiae C. albicans
-4.7 × 10-3
9.8 × 10-3
6.0 × 10-9
E. coli Y. pestis
-6.0 × 10-4
3.0 × 10-4
4.2 × 10-1
B. subtilis B. halodurans
-7.0 × 10-4
2.0 × 10-4
4.9 × 10-1
P. horikoshii P. furiosis
-2.5 × 10-3
1.5 × 10-3
1.4 × 10-1

a Species for which comparisons were performed b Slope of the linear regression line (i.e. y from the equation y = mx + b) c Square of the correlation coefficient (corresponds to the fraction of variation in ortholog evolutionary rates explained by the variation in the number of paralogs) d P-value for correlation coefficient

Jordan et al. BMC Evolutionary Biology 2004 4:22   doi:10.1186/1471-2148-4-22