Table 4

Correlation between ortholog substitution levels and the substitution levels between the most closely related paralogs for lineage specific expansions (Figure 3)

Lineagea
Slopeb
r2c
Pd

Human specific (1-2a)
2.0 × 10-1
7.8 × 10-2
1.6 × 10-34
Mammalian specific (2-2a)
2.1 × 10-1
2.2 × 10-1
2.7 × 10-114
Vertebrate and before (3-2a)
8.2 × 10-2
7.3 × 10-2
9.9 × 10-132
S. cerevisiae specific (1-2b)
8.3 × 10-1
4.6 × 10-1
1.7 × 10-58
S. cerevisiae C. albicans (2-2b)
4.6 × 10-1
4.2 × 10-1
3.4 × 10-18
Yeast and before (3-2b)
3.3 × 10-1
2.1 × 10-1
2.8 × 10-54

a Lineage specific expansions for which comparisons were performed (numbers in parentheses correspond to Figure 3a and 3b) 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 paralog evolutionary rate) d P-value for correlation coefficient

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