Table 1. Statistics for 248 bp fragment of MHC IIB exon 2 in corvid birds used in this study.
Species | n | Variants (total) | Variants (individual) | π1 | π dS2 | π dN3 | dN / dS | P-value Z-test4 | P-value Z-test PBR5 |
---|---|---|---|---|---|---|---|---|---|
Cobr | 18 | 33 | 11–18 | 0.162 | 0.119 | 0.177 | 1.5 | <0.0001 | 0.008 |
Coco | 18 | 56 | 12–20 | 0.160 | 0.113 | 0.179 | 1.6 | 0.001 | 0.005 |
Coma | 18 | 31 | 7–18 | 0.168 | 0.134 | 0.181 | 1.3 | 0.004 | 0.01 |
Cofr | 3 | 27 | 8–15 | 0.179 | 0.136 | 0.194 | 1.4 | 0.001 | 0.006 |
Gagl | 4 | 28 | 9–19 | 0.177 | 0.147 | 0.188 | 1.3 | 0.002 | 0.0015 |
Pipi | 4 | 20 | 9–11 | 0.175 | 0.128 | 0.194 | 1.5 | <0.0001 | 0.003 |
Cycy | 3 | 18 | 8–12 | 0.188 | 0.151 | 0.201 | 1.3 | 0.001 | 0.008 |
1 nucleotide diversity
2 synonymous substitution rate
3non-synonymous substitution rate
4codon test for selection using entire fragment
5codon test for selection using the peptide binding region partition from Brown et al. [36]