Table 2 CRG expansion analysis for each polyploidization event in selected species

From: Preferential gene retention increases the robustness of cold regulation in Brassicaceae and other plants after polyploidization

Species

Event 1

Event 2

Event 3

Event 4

Num#

Per (%)

Events

Num#

Per (%)

Events

Num #

Per (%)

Events

Num #

Per (%)

Events

G. max

480

59.04

WGT (γ)

575

70.73

WGD (β)

508

62.48

WGD (θ)

NA

NA

NA

A. thaliana

132

31.43

WGT (γ)

229

54.52

WGD (β)

228

54.29

WGD (α)

NA

NA

NA

B. napus A

162

21.60

WGT (γ)

283

37.73

WGD (β)

332

44.27

WGD (α)

567

75.60

WGT (θ)

B. napus C

78

10.13

WGT (γ)

220

28.57

WGD (β)

285

37.01

WGD (α)

533

69.22

WGT (θ)

B. oleracea

310

36.38

WGT (γ)

361

42.37

WGD (β)

393

46.13

WGD (α)

751

88.15

WGT (θ)

B. rapa

306

40.80

WGT (γ)

417

55.60

WGD (β)

430

57.33

WGD (α)

653

87.07

WGT (θ)

G. hirsutum A

305

51.35

WGT (γ)

491

82.66

Decaploid (θ)

NA

NA

NA

NA

NA

NA

G. hirsutum D

356

57.79

WGT (γ)

530

86.04

Decaploid (θ)

NA

NA

NA

NA

NA

NA

G. arboreum

111

18.50

WGT (γ)

398

66.33

Decaploid (θ)

NA

NA

NA

NA

NA

NA

G. raimondii

364

58.90

WGT (γ)

478

77.35

Decaploid (θ)

NA

NA

NA

NA

NA

NA

P. trichocarpa

397

79.08

WGT (γ)

452

90.04

WGD (θ)

NA

NA

NA

NA

NA

NA

V. vinifera

176

55.70

WGT (γ)

NA

NA

NA

NA

NA

NA

NA

NA

NA

S. lycopersicum

287

71.75

WGT (γ)

326

81.50

WGT (θ)

NA

NA

NA

NA

NA

NA

Z. mays

169

30.18

WGD (τ)

91

16.25

WGD (σ)

366

65.36

WGD (ρ)

399

71.25

WGD (θ)

O. sativa

176

40.93

WGD (τ)

124

28.84

WGD (σ)

256

59.53

WGD (ρ)

NA

NA

NA

A. comosus

199

69.82

WGD (τ)

213

74.74

WGD (σ)

NA

NA

NA

NA

NA

NA

E. guineensis

186

63.70

WGD (τ)

196

67.12

WGD (θ)

NA

NA

NA

NA

NA

NA

  1. WGD/WGT represents whole-genome duplication/triplication. The WGD or tetraploidy events include β, α, τ, σ, ρ and some θ events. The WGT or hexaploidy events include γ and some θ events. Decaploidy indicates the θ event of Malvaceae species. “NA” indicates species that did not experience the corresponding genome duplication events. Collinearity analysis of CRGs was conducted using the MCScanX program