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Table 4 Selective pressures of non-TNLs among five Rosaceae species

From: Species-specific duplications driving the recent expansion of NBS-LRR genes in five Rosaceae species

Family no. Ka / Ks a ω b 2Δln Family no. Ka / Ks a ω b 2Δln
F. vesca P. bretschneideri
0 1.01 1.37 244.51** 12 1.13 1.14 174.51**
2 0.51 0.51 30.00** 13 0.67 0.64 309.43**
3 0.72 0.78 163.67** 17 0.69 0.72 270.23**
4 0.52 0.52 26.42** 19 0.61 0.71 140.67**
5 0.35 0.39 3.41 21 0.71 0.88 173.72**
9 0.57 0.57 64.46** 23 0.62 0.62 69.89**
10 0.52 0.53 30.72** 24 0.96 0.96 101.27**
M. domestica 25 0.66 0.67 75.95**
0 0.34 0.37 20.55** 26 0.51 0.65 30.17**
2 0.75 0.65 34.70** 27 1.70 0.68 38.52**
3 0.78 0.71 164.45** 28 0.60 0.67 174.99**
6 0.55 0.58 47.64** 29 1.21 1.19 124.18**
8 0.75 1.38 330.32** 32 0.62 0.64 40.06**
9 0.40 0.46 11.37** 33 0.35 0.40 63.30**
11 0.64 0.64 26.32** 38 0.73 0.75 426.85**
13 0.55 0.58 3.41 40 0.20 0.28 1.27
14 0.88 0.79 53.12** 42 0.43 0.50 49.36**
15 0.87 0.45 157.04** P. persica
16 0.54 0.58 128.15** 0 0.67 0.72 90.19**
17 0.65 0.59 45.42** 1 0.48 0.46 94.92**
20 1.10 1.08 90.23** 2 0.58 0.59 64.94**
22 1.02 1.33 48.89** 3 0.51 0.57 81.35**
23 0.59 0.61 123.77** 4 0.73 0.85 81.38**
24 0.53 0.65 17.75** 5 0.56 0.60 53.61**
25 0.91 0.95 242.51** 7 0.87 0.77 131.61**
27 0.55 0.62 236.80** 10 0.54 0.56 39.07**
29 0.70 0.84 46.93** 11 1.01 1.12 35.54**
30 0.54 0.59 5.43 12 0.53 0.51 161.31**
32 0.41 0.49 3.81 13 0.33 0.38 0.18
35 0.89 0.62 141.09** 14 0.59 0.59 68.99**
36 0.60 0.70 61.85** 15 0.62 0.77 11.16**
37 0.65 0.71 30.67** 16 0.72 0.87 149.36**
39 0.85 0.95 182.68** 17 0.64 0.64 94.83**
41 0.67 0.70 133.44** 20 0.48 0.53 28.45**
43 0.93 0.86 158.52** 22 0.37 0.39 1.92
46 0.76 0.76 88.84** 23 0.53 0.61 17.38**
48 0.31 0.47 2.97 24 0.48 0.48 57.74**
49 0.70 0.91 18.54** 29 0.62 0.62 156.86**
51 0.73 0.86 118.63** 30 0.68 0.69 86.74**
52 0.84 0.86 88.35** P. mume
53 0.25 0.32 1.41 0 0.66 0.74 26.03**
54 - 0.00 0 2 0.73 0.72 118.53**
56 0.91 1.04 100.03** 3 0.68 0.73 173.81**
57 0.81 0.91 230.38** 5 0.68 0.73 214.41**
59 0.74 0.70 278.72** 6 0.67 0.70 49.62**
60 0.74 0.66 273.76** 8 0.70 0.69 101.58**
70 0.82 0.78 208.35** 10 0.64 0.62 97.65**
72 0.40 0.34 61.52** 12 0.59 0.65 103.39**
75 0.73 0.55 47.28** 14 0.63 0.69 63.55**
P. bretschneideri 15 0.50 0.48 59.19**
0 0.60 0.67 312.45** 17 0.82 0.79 156.79**
1 0.40 0.47 61.89** 18 0.58 0.70 179.70**
2 0.70 0.78 113.38** 19 0.43 0.49 3.83
4 0.42 0.53 18.57** 21 0.31 0.34 −2.00E-06
7 0.55 0.63 16.11** 24 0.92 1.21 38.51**
9 0.54 0.61 54.18** 25 0.78 0.89 15.13**
11 0.74 0.88 58.97**     
  1. aAverage Ka/Ks ratio of each gene family calculated by MEGA; b dN/dS ratio for each gene family using branch model; 2Δln represents the result of LR test for site model; ** represent highly significant (2Δln > 9.210, p < 0.01) tests for positive selection between model M7 and M8.