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Table 1 Distribution of paralogous gene pairs for 25 plant species targeted by this study

From: Both mechanism and age of duplications contribute to biased gene retention patterns in plants

Specie

Chr

Initial PCG

Duplicates

Number of duplicates by duplication type

Number of duplicates by Ks range

WGD

Tandem

Undefined

0 < Ks ≤ 0.5

0.5 < Ks ≤ 1

1 < Ks ≤ 1.5

1.5 < Ks ≤ 2

Ks > 2

Arabidopsis lyrata

16

32670

6378

3442

1816

1120

2251

2216

966

945

228

Arabidopsis thaliana

10

33602

6194

2740

1232

2222

1657

2407

1183

947

222

Amborella trichopoda

26

26460

3322

15

998

2309

1861

427

402

632

137

Brachypodium distachyon

10

26678

3573

1025

1768

780

981

1024

835

733

175

Carica papaya

18

28072

1915

24

455

1436

603

210

402

700

126

Citrullus lanatus

22

23438

2806

385

1015

1406

691

435

751

930

227

Eucalyptus grandis

22

36449

11120

390

6424

4306

8106

925

1029

1060

240

Fragaria vesca

14

34809

3974

1021

1606

1347

1500

979

684

811

184

Glycine max

40

46509

15242

9721

2087

3434

11697

1961

790

794

185

Helianthus annuus

34

44144

9925

57

995

8873

4651

2805

1551

918

108

Lotus japonicus

12

26818

2682

184

627

1871

1159

774

415

334

51

Malus domestica

34

63515

15551

2761

1308

11482

13084

1258

683

526

107

Manihot esculenta

36

30800

7134

2530

703

3901

4915

837

716

666

110

Medicago truncatula

16

57587

5098

1083

2419

1596

2902

1262

543

391

115

Oryza sativa ssp. indica

24

48788

8349

1957

2869

3523

3361

2169

1665

1154

317

Oryza sativa ssp. japonica

24

59430

5559

1482

2173

1904

1928

1584

1233

814

183

Physcomitrella patens

54

36137

3769

306

202

3261

637

1848

883

401

99

Populus trichocarpa

36

41521

9721

5609

1988

2124

7572

738

704

707

147

Ricinus communis

20

31221

2558

155

614

1789

628

435

683

812

176

Sorghum bicolor

20

34686

4267

1048

1698

1521

1468

1061

993

745

186

Solanum lycopersicum

24

34432

7100

1234

2561

3305

3184

2287

872

757

209

Selaginella moellendorffii

16–27

22285

1885

351

608

926

1457

129

102

197

66

Theobroma cacao

20

46269

3488

722

1553

1213

1199

601

822

866

201

Vitis vinifera

38

26644

4536

528

1935

2073

1918

852

1042

724

128

Zea mays

20

39597

6336

590

1396

4350

3792

1095

813

636

153

  1. Chr Number of Chromosomes, Initial PCG Initial number of Protein-coding gene sequences