TABLE 3

Number of substitutions in three lineages and dispersion index in five genes from regions of reduced recombination rates

GeneSynonymousReplacement
Number of substitutionsDispersion indexNumber of substitutionsDispersion index
LengthD. melanogasterD. simulansD. yakubaLengthD. melanogasterD. simulansD. yakuba
ac168.25.4 (5.5)10.9 (9.5)21.9 (19.0)2.7431.83.6 (3.7)0.4 (0.7)14.9 (13.7)2.7
sc253.416.7 (14.7)6.9 (7.7)44.0 (36.7)3.3742.67.1 (7.0)4.0 (4.0)10.2 (10.0)0.2
l'sc198.44.3 (4.0)2.9 (3.0)50.0 (40.0)3.1566.64.1 (4.0)2.0 (2.0)7.1 (7.0)0.0
ase290.78.7 (9.0)6.0 (6.0)63.5 (52.0)1.5771.410.2 (10.8)2.8 (3.2)16.0 (15.7)0.5
ci246.29.0 (9.8)15.9 (14.8)45.5 (36.8)2.2711.812.8 (12.7)8.7 (9.0)20.2 (20.2)0.8
Total44.1 (43.0)42.6 (41.0)224.9 (184.5)37.8 (38.2)18.0 (18.8)68.4 (66.5)
  • The weight factors for the D. melanogaster, D. simulans and D. yakuba lineages are 0.424, 0.411, and 2.165 for synonymous substitution and 0.913, 0.434 and 1.653 for replacement substitution, respectively. The mismatches in the total numbers are due to rounding.