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Table 2 Evolution of class 1 (TATA box-containing) promoters between S. cerevisiae and other species of sensu stricto group

From: Rate of promoter class turn-over in yeast evolution

Species Conserved ORFs Switches of promoter type Switches of promoter type per gene of this class per Ksa TATA boxes shifted TATA box shift events per TATA-containing gene per Ksa Average conservation of upstream intergenic region
1. TBP-sensitive, TATA-containing genes (N = 212)
paradoxus 200 (94.3%) 2 0.05 0 0.00 0.85
mikatae 180 (84.9%) 7 0.13 0 0.00 0.74
kudriavtsevii 179 (84.4%) 8 0.13 0 0.00 0.71
bayanus 178 (84.0%) 4 0.06 2 0.03 0.66
2. Non-TBP-sensitive, TATA-containing genes (N = 34)
paradoxus 30 (88.2%) 8 1.40 0 0.00 0.79
mikatae 31 (91.2%) 10 1.08 0 0.00 0.73
kudriavtsevii 26 (76.5%) 14 1.58 0 0.00 0.65
bayanus 23 (67.6%) 9 1.09 2 0.24 0.63
3. Non-TBP-sensitive, non-TATA-containing genes (N = 322)
paradoxus 278 (86.3%) 14 0.27 - - 0.82
mikatae 241 (74.8%) 22 0.30 - - 0.71
kudriavtsevii 218 (67.7%) 11 0.15 - - 0.67
bayanus 238 (73.9%) 9 0.11 - - 0.64
  1. a Number of events per time required for the accumulation of one nucleotide substitution at a non-coding site. The average number of substitutions per nucleotide site in intergenic regions, relative to S. cerevisiae, is 0.19 in S. paradoxus, 0.30 in S. mikatae, 0.34 in S. kudriavtsevii, and 0.36 in S. bayanus.