Table 1 Comparative analysis of orthologous sequences in heterochromatic domains between O. brachyantha and O. sativa.

From: Whole-genome sequencing of Oryza brachyantha reveals mechanisms underlying Oryza genome evolution

  

O. brachyantha

O. sativa

Domain*

Expansion

Length (bp)

LTR (%)

SD (bp)

Tandem (gene)

Length (bp)

LTR (%)

SD (bp)

Tandem (gene)

H1

3.80

607,287

17

0

2

2,305,073

53

540,195

5

H2H3

2.03

1,198,774

22

0

10

2,431,064

42

14,985

12

H4H5

2.45

1,247,868

23

0

2

3,051,410

60

0

4

H6

2.83

201,510

14

0

0

570,277

40

0

0

H7

3.53

725,506

14

0

8

2,561,938

29

137,544

18

H8

3.70

365,045

8

0

10

1,350,606

24

0

27

Chr04

1.64

21,479,432

7

—

—

35,278,225

26

—

—

Genome

1.43

260,814,341

8

—

—

372,317,567

21

—

—

  1. LTR, long-terminal repeat; SD, segmental duplication.
  2. *Heterochromatic domains. Positions on chromosome 4 of O. sativa: H1, 1,981,230–4,286,303; H2H3, 5,797,494–8,228,558; H4H5, 8,211,787–11,263,197; H6, 12,636,530–13,206,807; H7, 13,825,461–16,387,399; H8, 16,671,326–18,021,932.
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