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Table 2 The proportion of SSRs with different types

From: A genome-wide analysis of simple sequence repeats in maize and the development of polymorphism markers from next-generation sequence data

Types

Repeat units

Overall SSRs

Unique SSRs

Unique SSRs with polymorphisms

Count

Length (bp)

GC (%)

Rate (%)

Count

Length (bp)

GC (%)

Rate (%)

Count

Length (bp)

GC (%)

Rate (%)

Perfect SSRs

MNRs

72258

11.70

53.21

40.21

35998

11.79

39.78

43.53

20632

11.20

30.33

58.87

 

DNRs

53842

18.24

25.01

29.97

25510

20.38

22.49

30.85

9929

18.54

29.14

28.33

 

TNRs

36726

17.52

49.12

20.44

12702

17.83

53.36

15.36

2557

19.04

47.18

7.30

 

TTRs

2616

23.08

30.76

1.46

1784

23.45

34.81

2.16

685

24.05

31.43

1.95

 

PNRs

800

28.37

41.10

0.45

482

28.05

41.36

0.58

225

27.31

43.09

0.64

 

HNRs

449

32.54

51.24

0.25

199

32.38

57.14

0.24

101

31.96

56.41

0.29

 

Totali

166691

15.41

42.78

92.77

76675

16.08

34.92

92.72

34129

14.35

31.43

97.38

Imperfect SSRs

--

10841

91.66

47.45

6.03

4615

79.28

43.76

5.58

429

40.85

34.12

1.22

Compound SSRs

--

2149

43.48

33.44

1.20

1404

44.53

31.38

1.70

488

34.70

34.34

1.39

Total

--

179681

20.34

42.39

100.00

82694

20.09

36.74

100.00

35046

13.96

34.38

100.0