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. 2009 Oct 22;9:254. doi: 10.1186/1471-2148-9-254

Table 4.

Statistical analysis of branches showing significant evidence of adaptive evolution

Significance of tests for positive selection
Gene Number of sequences Number of codons Sites Branch sites All branches
M2 M8

Hsp90 15 687 n/s n/s 2 branches (p < 0.05, B & C Figure 3)
1 branch (p < 0.01, A Figure 3

n/s not significant