Table 1 Summary of genome assembly metrics for the five new assemblies reported in this study and previous assemblies of the same accession (B. rapa) or different accessions of the same morphotype (B. oleracea).

From: Chromosome level assembly of five Brassica rapa and oleracea accessions expand the resistance genes reservoir

Quality metric

Brassica rapa

Brassica oleracea

ssp. trilocularis

ssp. narinosa

ssp. acephala

ssp. botrytis

ssp. oleracea

R500 (this study)

R500 (ref. 20)

Wutacai (this study)

Wutacai (ref. 4)

C102 (this study)

07-DH-33 (ref. 26)

T18 (ref. 48)

Nd125 (this study)

T21 (ref. 48)

T25 (ref. 48)

Korso (ref. 47)

C-8 (ref. 46)

Bos01 (this study)

T09 (ref. 48)

T10 (ref. 48)

W03 (ref. 49)

W1701 (ref. 26)

Cumulative size (bp)

373,325,180

356, 000, 000 (a)

404,489,077

466,502,319

563,329,934

588,360,242

553,363,182

567,916,392

534,419,652

547,890,678

552,847,295

568,515,523

646,170,971

576,023,240

580,974,251

630,729,510

634,424,806

Sequences

33

1,753 (a)

80

12,558

31

10

26

88

72

138

10

10

157

15

24

360

11

Pseudomolecules

10

10

10

0

9

9

9

9

9

9

9

9

9

9

9

9

9

Pseudomolecule size (bp) (% of assembly)

364,236,165 (97.6)

280,850,083 (78.8)

375,103,728 (92.7)

N/A

555,962,841 (98.7)

588,287,377 (99.9)

550,420,920 (99.5)

552,818,513 (97.3)

526,630,535 (98.5)

524,691,661 (95.8)

547,555,460 (99.6)

557,113,381 (98.0)

594,003,544 (91.9)

572,017,529 (99.3)

570,456,620 (98.2)

594,346,218 (94.2)

618,795,957 (97.5)

Scaffold N50 (bp)

38,623,307

N/A

43,704,723

907,768

61,343,825

64,701,984

65,433,663

62,575,981

56,484,001

57,349,439

59,208,503

65,683,070

62,410,918

60,668,869

68,709,032

64,564,754

72,197,880

Scaffold N90 (bp)

23,616,232

N/A

21,064,187

10,792

51,763,739

58,208,169

54,329,710

47,990,424

49,547,750

46,904,723

52,701,841

48,937,047

54,501,227

56,592,305

50,417,254

49,313,063

53,632,606

Longest scaffold (bp)

62,577,379

24,500,000 (a)

62,011,682

9,177,230

81,909,429

80,057,606

78,331,576

75,538,215

74,621,860

73,465,279

78,655,145

79,842,669

87,029,299

78,617,262

81,748,926

80,735,250

86,880,579

Contig N50 (bp)

13,023,702

NA

11,339,266

793.238

28,762,279

11,430,835

20,808,756

12,119,172

5,552,566

11,427,368

8,222,774

21,552,297

7,307,935

2,5081,548

25,739,047

2,305,478

15,574,327

GC content (%)

36.757

29.205

37.417

38.353

36.802

36.995

36.737

36.702

36.635

36.141

36.502

36.144

36.903

36.891

37.037

36.725

37.255

LTR Assembly Index

12.13

-

10.19

5.91

14.74

6.98

6.95

14.79

7.90

6.52

13.91

5.85

12.81

5.77

6.95

14.0

4.16

BUSCO (6.0.0) scores brassicales odb12 (2025-07-01) (N = 4,311)

C:99.3%

D:41.2%

F:0.0%

M:0.7%

C:97.3%

D:39.3%

F:0.0%

M:2.7%

C:99.3%

D:42.2%

F:0.0%

M:0.7%

C:99.4%

D:47.2%

F:0.0%

M:0.6%

C:99.4%

D:42.5%

F:0.1%

M:0.6%

C:99.3%

D:42.5%

F:0.1%

M:0.6%

C:99.1%

D:42.6%

F:0.1%

M:0.8%

C:99.4%

D:44.3%

F:0.0%

M:0.6%

C:99.3%

D:42.4%

F:0.0%

M:0.7%

C:99.2%

D:42.5%

F:0.0%

M:0.7%

C:99.2%

D:42.2%

F:0.1%

M:0.7%

C:99.4%

D:42.5%

F:0.1%

M:0.6%

C:99.3%

D:48.3%

F:0.1%

M:0.6%

C:99.3%

D:42.4%

F:0.1%

M:0.7%

C:99.3%

D:42.8%

F:0.1%

M:0.6%

C:99.3%

D:49.8%

F:0.0%

M:0.7%

C:99.4%

D:43.1%

F:0.1%

M:0.6%

Protein-coding genes

52,275

45,538

54,266

47,602

66,049

52,913

53,089

68,060

51,515

50,754

60,640

57,983

71,867

52,057

52,606

62,059

51,831

Genes within pseudo-molecules

51,796

45,538

52,977

N/A

65,713

52,909

53,072

66,432

51,464

50,541

60,027

57,189

68,253

52,001

52,581

60,900

51,586

  1. (a) These values were inferred from ref. 20 as the scaffolds are not provided in the published fasta file.