Research Article

Ectopic Gene Conversions in the Genome of Ten Hemiascomycete Yeast Species

Table 7

Nonsynonymous substitutions per nonsynonymous site (Ka), synonymous substitutions per synonymous site (Ks), and Ka/Ks ratios (± standard deviations) for pairs of converted genes in pre- and post-WGD species.

GenomeKaKsKa/Ks
OhnologsParalogsOhnologsParalogsOhnologsParalogs

Post-WGD
 S. cerevisiae 0 . 0 4 ± 0 . 0 3 0 . 0 9 ± 0 . 0 8 0 . 9 6 ± 0 . 4 9 0 . 3 7 ± 0 . 4 4 0 . 0 4 ± 0 . 0 2 0 . 3 8 ± 0 . 2 7
 S. paradoxus 0 . 0 9 ± 0 . 1 1 0 . 1 8 ± 0 . 2 0 0 . 9 1 ± 0 . 7 6 0 . 5 6 ± 0 . 4 0 0 . 1 0 ± 0 . 0 5 0 . 4 6 ± 0 . 5 7
 S. mikatae 0 . 0 9 ± 0 . 1 1 0 . 1 7 ± 0 . 1 9 1 . 8 7 ± 1 . 0 6 0 . 5 6 ± 0 . 3 1 0 . 0 4 ± 0 . 0 4 0 . 3 4 ± 0 . 4 5
 S. kudriavzevii 0 . 0 6 ± 0 . 0 4 0 . 0 8 ± 0 . 0 4 0 . 9 5 ± 0 . 4 6 0 . 4 7 ± 0 . 5 9 0 . 0 6 ± 0 . 0 1 0 . 3 8 ± 0 . 3 4
 S. bayanus 0 . 1 1 ± 0 . 0 9 0 . 1 3 ± 0 . 1 2 1 . 9 1 ± 1 . 6 8 0 . 4 0 ± 0 . 4 6 0 . 0 7 ± 0 . 0 5 0 . 4 0 ± 0 . 2 8
 C. glabrata 0 . 2 5 ± 0 . 1 7 0 . 0 4 ± 0 . 0 4 1 . 3 2 ± 0 . 0 8 0 . 3 6 ± 0 . 5 5 0 . 1 8 ± 0 . 1 2 0 . 3 7 ± 0 . 4 5
 S. castellii 0 . 1 8 ± 0 . 0 9 0 . 1 3 ± 0 . 0 7 2 . 8 0 ± 1 . 1 8 0 . 2 9 ± 0 . 1 2 0 . 0 6 ± 0 . 0 1 0 . 6 1 ± 0 . 4 6

Pre WGD
 K. lactisn.a. 0 . 2 0 ± 0 . 2 6 n.a. 0 . 6 1 ± 0 . 4 0 n.a. 0 . 4 9 ± 0 . 5 8
 D. hanseniin.a. 0 . 1 0 ± 0 . 0 7 n.a. 0 . 5 0 ± 0 . 4 0 n.a. 0 . 3 1 ± 0 . 1 7
 Y. lipolytican.a. 0 . 2 5 ± 0 . 1 9 n.a. 1 . 1 2 ± 0 . 3 8 n.a. 0 . 4 6 ± 0 . 3 8

n.a.: not applicable.