Table 1

Proportion of non-synonymous (dN) and synonymous (dS) substitutions in MHCIIβ sequences of Nesospiza and other passerines
PBR Non-PBR
Comparisons N dN(±SE) dS(±SE) dN/dS z-test dN(±SE) dS(±SE) dN/dS z-test
Brown et al.[44]
Neso01-23 23 0.377 (±0.146) 0.236 (±0.161) 1.60 n.s. (0.54) 0.133 (±0.029) 0.114 (±0.051) 1.17 n.s. (0.74)
Neso01-21 ǂ 21 0.372 (±0.142) 0.234 (±0.174) 1.59 n.s. (0.59) 0.090 (±0.022) 0.097 (±0.047) 0.93 n.s. (0.90)
Group1 2 0.031 (±0.031) 0.000 (±0.000) n/a n.s. (0.33) 0.011 (±0.011) 0.039 (±0.040) 0.28 n.s. (0.51)
Group2 15 0.009 (±0.006) 0.000 (±0.000) n/a n.s. (0.16) 0.028 (±0.007) 0.042 (±0.030) 0.67 n.s. (0.68)
Group3 6 0.073 (±0.033) 0.036 (±0.049) 2.03 n.s. (0.51) 0.023 (±0.010) 0.014 (±0.014) 1.64 n.s. (0.62)
Inaccessible ǂ 19 0.361 (±0.133) 0.222 (±0.149) 1.63 n.s. (0.53) 0.135 (±0.026) 0.115 (±0.050) 1.17 n.s. (0.74)
Nightingale ǂ 12 0.420 (±0.151) 0.281 (±0.192) 1.49 n.s. (0.60) 0.166 (±0.034) 0.118 (±0.055) 1.41 n.s. (0.43)
Tristan da Cunha ǂ 21 0.377 (±0.146) 0.236 (±0.161) 1.60 n.s. (0.54) 0.133 (±0.029) 0.114 (±0.051) 1.17 n.s. (0.74)
Rowettia goughensis 6 0.486 (±0.188) 0.351 (±0.246) 2.59 n.s. (0.70) 0.194 (±0.040) 0.135 (±0.063) 1.44 n.s. (0.40)
Tong et al.[45]
Neso01-23 23 0.230 (±0.090) 0.125 (±0.159) 1.84 n.s. (0.61) 0.174 (±0.033) 0.143 (±0.051) 1.22 n.s. (0.61)
Neso01-21 ǂ 21 0.100 (±0.054) 0.090 (±0.147) 0.11 n.s. (0.96) 0.151 (±0.032) 0.135 (±0.055) 1.12 n.s. (0.79)
Group1 2 0.053 (±0.052) 0.000 (±0.000) n/a n.s. (0.33) 0.053 (±0.053) 0.000 (±0.000) n/a n.s. (0.32)
Group2 15 0.018 (±0.019) 0.000 (±0.000) n/a n.s. (0.38) 0.024 (±0.006) 0.033 (±0.025) 0.73 n.s. (0.73)
Group3 6 0.033 (±0.022) 0.000 (±0.000) n/a n.s. (0.14) 0.036 (±0.013) 0.024 (±0.017) 1.50 n.s. (0.58)
Inaccessible ǂ 19 0.240 (±0.091) 0.126 (±0.165) 1.90 n.s. (0.57) 0.171 (±0.032) 0.139 (±0.049) 1.13 n.s. (0.59)
Nightingale ǂ 12 0.306 (±0.124) 0.152 (±0.189) 2.01 n.s. (0.54) 0.204 (±0.038) 0.152 (±0.058) 1.34 n.s. (0.44)
Tristan da Cunha ǂ 21 0.230 (±0.090) 0.125 (±0.159) 1.84 n.s. (0.61) 0.174 (±0.033) 0.143 (±0.051) 1.22 n.s. (0.61)
Rowettia goughensis 6 0.334 (±0.123) 0.163 (±0.189) 2.05 n.s. (0.52) 0.238 (±0.045) 0.186 (±0.069) 1.28 n.s. (0.49)
New Zealand robin 41 0.339 (±0.078) 0.094 (±0.059) 3.6 <0.005 0.076 (±0.019) 0.039 (±0.013) 1.95 n.s.
Chatham Island robin 4 0.373 (±0.086) 0.135 (±0.078) 2.76 <0.05 0.099 (±0.024) 0.020 (±0.014) 5.05 <0.005
Hawaiian honeycreepers 51 0.341 (±0.103) 0.076 (±0.095) 4.49 <0.001 0.121 (±0.038) 0.092 (±0.053) 1.32 n.s.
Common yellowthroat 39 0.608 (±0.120) 0.211 (±0.111) 2.88 <0.05 0.135 (±0.034) 0.137 (±0.034) 0.99 n.s.
House sparrow* 12 0.470 (±0.109) 0.123 (±0.095) 3.82 <0.0001 0.203 (±0.047) 0.200 (±0.051) 1.02 n.s.

References: New Zealand and Chatham Island robins[34,35], Hawaiian honeycreepers[46], common yellowthroat[43];* Values were calculated from GenBank sequences, ǂ Does not include the putative pseudogenes Neso22 and Neso23, N = Number of MHC sequences; Brown et al.[44]: PBR = 14 amino acids, non-PBR = 41 amino acids; Tong et al.[45]: PBR = 9 amino acids, non = PBR = 46 amino acids.

van Rensburg et al.

van Rensburg et al. BMC Evolutionary Biology 2012 12:143   doi:10.1186/1471-2148-12-143

Open Data