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Table 1 Chromosome characteristics of allopolyploid diatom F. solaris

From: Homoeolog expression bias in allopolyploid oleaginous marine diatom Fistulifera solaris

Chromosome

Global GC content

Number of predicted genes

Number of homoeologous genes

Number of non-homoeologous genes

 

Ha

La

H

L

H

L

H

L

Chr 1

45.27

45.31

692

649

617 (89.16)b

617 (95.07)

75 (10.84)

32 (4.93)

Chr 2

45.34

45.58

585

519

463 (79.15)

463 (89.21)

122 (20.85)

56 (10.79)

Chr 3

45.93

45.77

595

562

531 (89.24)

531 (94.48)

64 (10.76)

31 (5.52)

Chr 4

45.24

45.30

561

547

499 (88.95)

499 (91.22)

62 (11.05)

48 (8.78)

Chr 5

44.85

45.04

497

454

421 (84.71)

421 (92.73)

76 (15.29)

33 (7.27)

Chr 6

45.82

45.81

452

422

408 (90.27)

408 (96.68)

44 (9.73)

14 (3.32)

Chr 7

45.82

45.68

384

345

322 (83.85)

322 (93.33)

62 (16.15)

23 (6.67)

Chr 8

45.59

45.65

387

382

354 (91.47)

354 (92.67)

33 (8.53)

28 (7.33)

Chr 9

45.75

45.36

364

340

299 (82.14)

299 (87.94)

65 (17.86)

41 (12.06)

Chr 10

45.21

44.83

358

364

291 (81.28)

291 (79.95)

67 (18.72)

73 (20.05)

Chr10_Ac

/

/

308

285

256 (83.11)

256 (89.82)

52 (16.88)

29 (10.18)

Chr10_Bc

/

/

79

50

35 (44.30)

35 (70.00)

44 (55.70)

15 (30.00)

Chr 11

45.89

45.83

343

314

297 (86.59)

297 (94.59)

46 (13.41)

17 (5.41)

Chr 12

45.75

46.12

381

343

320 (83.99)

320 (93.29)

61 (16.01)

23 (6.71)

Chr 13

45.17

45.39

356

332

301 (84.55)

301 (90.66)

55 (15.45)

31 (9.34)

Chr 14

45.91

45.64

360

332

293 (81.39)

293 (88.25)

67 (18.61)

39 (11.75)

Chr 15

45.50

45.51

338

326

303 (89.64)

303 (92.94)

35 (10.36)

23 (7.06)

Chr 16

45.81

46.14

307

271

255 (83.06)

255 (94.10)

52 (16.94)

16 (5.90)

Chr 17

46.41

45.81

294

288

260 (88.44)

260 (90.28)

34 (11.56)

28 (9.72)

Chr 18

45.73

45.48

291

263

242 (83.16)

242 (92.02)

49 (16.84)

21 (7.98)

Chr 19

46.22

45.78

310

297

282 (90.97)

282 (94.95)

28 (9.03)

15 (5.05)

Chr 20

45.95

45.73

263

234

214 (81.37)

214 (91.45)

49 (18.63)

20 (8.55)

Chr 21

45.17

45.40

273

265

252 (92.31)

252 (95.09)

21 (7.69)

13 (4.91)

Chr 22

46.02

45.94

247

238

218 (88.26)

218 (91.60)

29 (11.74)

20 (8.40)

Chr 23

45.07

45.42

250

231

215 (86.00)

215 (93.07)

35 (14.00)

16 (6.93)

Chr 24

45.81

45.82

250

212

199 (79.60)

199 (93.87)

51 (20.40)

13 (6.13)

Chr 25

45.38

45.21

216

203

191 (88.43)

191 (94.09)

25 (11.57)

12 (5.91)

Chr 26

45.65

44.56

165

130

118 (71.52)

118 (90.77)

47 (28.48)

12 (9.23)

Chr 27

46.11

45.32

107

118

96 (89.72)

96 (81.36)

11 (10.28)

22 (18.64)

Chr 28

44.58

45.34

119

101

92 (77.31)

92 (91.09)

27 (22.69)

9 (8.91)

Chr 29

46.38

45.38

129

114

103 (79.84)

103 (90.35)

26 (20.16)

11 (9.65)

Chr 30

45.60

45.45

121

117

102 (84.30)

102 (87.18)

19 (15.70)

15 (12.82)

Chr 31

45.36

45.63

89

78

74 (83.15)

74 (94.87)

15 (16.85)

4 (5.13)

Chr 32

45.88

45.71

79

73

67 (84.81)

67 (91.78)

12 (15.19)

6 (8.22)

Chr 33

44.92

46.05

63

57

54 (85.71)

54 (94.74)

9 (14.29)

3 (5.26)

Chr 34

46.24

46.36

54

50

47 (87.04)

47 (94.00)

7 (12.96)

3 (6.00)

Chr 35

44.42

44.99

43

40

35 (81.40)

35 (87.50)

8 (18.60)

5 (12.50)

Chr 36

46.20

46.16

50

47

42 (84.00)

42 (89.36)

8 (16.00)

5 (10.64)

Chr 37

46.48

46.42

45

34

34 (75.56)

34 (100.00)

11 (24.44)

0 (0.00)

Chr 38

46.93

45.68

34

37

33 (97.06)

33 (89.19)

1 (2.94)

4 (10.81)

Chr 39

45.55

45.80

33

27

27 (81.82)

27 (100.00)

6 (18.18)

0 (0.00)

Chr 40

45.58

45.42

25

21

19 (76.00)

19 (90.48)

6 (24.00)

2 (9.52)

Chr 41

44.86

44.34

10

16

8 (80.00)

8 (50.00)

2 (20.00)

8 (50.00)

Chr 42

46.05

43.60

9

11

9 (100.00)

9 (81.82)

0 (0.00)

2 (18.18)

  1. aEach element is separated into two columns, indicated as H and L, representing the data from chromosomes containing homoeologous genes with relatively high and low dGC, respectively
  2. bThe values in parentheses indicates percentages of homoeologous/non-homoeologous genes within each homoeologous chromosome
  3. cFor chromosome 10, corresponding values for upstream region (Chr10_A) and downstream region (Chr10_B) of the dGC flip over are written separately
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