Table 2

Composition of the repeat elements in the N.

N. sylvestris

N. tomentosiformis

Repeat element

Number of bases

%

Number of bases

%

LINE

5,828,979

0.27

2,834,174

0.17

SINE

4,040,138

0.18

5,244,169

0.31

LTR/copia

203,592,581

9.13

227,491,087

13.43

LTR/gypsy

463,070,166

20.75

343,784,620

20.32

LTR/others

184,881,207

8.28

90,166,206

5.33

Transposons

33,621,895

1.51

22,593,004

1.34

Retrotransposons

230,653,066

10.33

220,727,245

13.05

Simple repeats

4,954,900

0.22

4,809,855

0.28

Low complexity

10,145,060

0.45

9,723,109

0.57

Others

95,243,945

4.28

130,185,895

7.72

Unknown

197,792,439

8.86

116,127,639

6.86

Total

1,605,541,978

71.95

1,266,206,541

74.84

sylvestris and N. tomentosiformis genomes

Sierro et al. Genome Biology 2013 14:R60   doi:10.1186/gb-2013-14-6-r60