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Table 3 Number of NBS-encoding genes and the corresponding proportions under different sequence similarity levels between the genomes for the four cotton species

From: Genome-wide comparative analysis of NBS-encoding genes in four Gossypium species

Comparison between two cotton species

(species A-species B)

Total no. of NBS genes in species A

Similarity >90%

Similarity >80%

Similarity >70%

Similarity >60%

Similarity >50%

Similarity >40%

Similarity >30%

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

No. of NBS genes in species A

Proportion of NBS genes in species A

G.hirsutum - G.arboreum

588

211

36%

392

67%

481

82%

509

87%

527

90%

537

91%

539

92%

â–²G.arboreum - G.hirsutum

246

140

57%

202

82%

211

86%

214

87%

219

89%

221

90%

225

91%

G.hirsutum - G.raimondii

588

275

47%

452

77%

491

84%

522

89%

529

90%

537

91%

539

92%

â–²G.raimondii - G.hirsutum

365

189

52%

259

71%

280

77%

284

78%

293

80%

296

81%

315

86%

G.barbadense - G.arboreum

682

194

28%

395

58%

521

76%

588

86%

616

90%

630

92%

642

94%

â– G.arboreum - G.barbadense

246

115

47%

185

75%

212

86%

219

89%

222

90%

225

91%

226

92%

G.barbadense - G.raimondii

682

316

46%

509

75%

545

80%

615

90%

630

92%

643

94%

645

95%

â– G.raimondii - G.barbadense

365

216

59%

310

85%

339

93%

345

95%

348

95%

350

96%

352

96%

G.arboreum - G.raimondii

246

87

35%

174

71%

207

84%

213

87%

215

87%

223

91%

225

91%

G.raimondii - G.arboreum

365

95

26%

237

65%

292

80%

325

89%

331

91%

345

95%

352

96%

  1. The solid triangles (â–²) represented the sequence similarities between G. hirsutum and the two diploid cotton species; The solid squares (â– ) represented the sequence similarities between G. barbadense and the two diploid cotton species