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Table 1 Proportion of non-synonymous (d N ) and synonymous (d S ) substitutions in MHCIIβ sequences of Nesospiza and other passerines

From: Ancestral polymorphism at the major histocompatibility complex (MHCIIβ) in the Nesospiza bunting species complex and its sister species (Rowettia goughensis)

  

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.

  1. 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.