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Table 3 Proportion of amino-acid substitutions driven by positive selection (α)

From: Similar rates of protein adaptation in Drosophila miranda and D. melanogaster, two species with different current effective population sizes

  D. pseudoobscura D. affinis ancestor
method all sites excluding singletons excluding singletons excluding singletons
  α (95% CI) α (95% CI) α (95% CI) α (95% CI)
Fay et al. 0.41 (0.19, 0.56) 0.61 (0.45, 0.74) 0.39 (-0.08, 0.69) 0.59 (0.25, 0.78)
Smith & Eyre-Walker 0.12 (-0.22, 0.38) 0.48 (0.28, 0.66) 0.32 (-0.17, 0.63) 0.54 (0.20, 0.75)
Bierne & Eyre-Walker 0.17 (-0.11, 0.36) 0.44 (0.19, 0.61) 0.41 (0.06, 0.61) 0.61 (0.28, 0.80)
  1. Note – α is calculated using either D. pseudoobscura, D. affinis or a reconstructed ancestral sequence as the outgroup.