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Table 2 QUAST analysis of baseline and re-scaffolded E. coli K-12, S. Typhi H58, S. cerevisiae S288c and W303 assemblies using Oxford Nanopore Technologies reads

From: LINKS: Scalable, alignment-free scaffolding of draft genomes with long reads

Genome

Method

Data/Chemistry/ Fold coverage

Number of contigs (> = 500 bp)

NG50 length (bp)

NA50 length (bp)

Number of genes

Number of N’s per 100 kbp

Number of mis-assemblies

Mis-assemblies type relocations/Trans-locations/Inversions

E. coli K-12

Baseline

Illumina

61

206,356

177,531

4,443

113.61

5

5/0/0

 

AHA

F2D/R7/4.7x

46

226,696

179,569

4,441

390.31

12

12/0/0

  

2D/R7/34.2x

34

480,126

266,663

4,441

719.89

21

21/0/0

  

Raw/R7.3/67.0x

30

762,313

344,280

4,443

523.61

9

9/0/0

 

LINKS

F2D/R7/4.7x

27

633,147

293,772

4,443

325.95

11

11/0/0

  

2D/R7/34.2x

16

1,197,321

294,667

4,440

566.97

20

20/0/0

  

Raw/R7.3/67.0x

27

645,797

344,280

4,443

401.61

9

9/0/0

 

CA-Nanocorr

Raw/R7/145x

1

4,654,420

2,768,544

4,515

0.00

5

4/0/1

 

CA-Nanopolish

2D/R7.3/29x

1

4,593,653

2,739,950

4,515

0.00

2

2/0/0

 

CA-NaS

2D/R7/30x

1

4,654,321

3,507,873

4,515

0.00

2

2/0/0

 

SSPACE-LR

F2D/R7/4.7x

43

226,696

215,056

4,448

388.10

8

8/0/0

  

2D/R7/34.2x

37

300,940

216,050

4,446

682.61

11

11/0/0

  

Raw/R7.3/67.0x

39

238,960

226,324

4,448

539.84

8

8/0/0

S. Typhi H58

Baseline

Illumina

86

153,674

114,216

4,305

0.00

9

8/0/1

 

AHA

2D/R7/4.7x

38

472,758

267,543

4,308

213.33

22

20/0/2

 

LINKS

 

22

652,465

332,188

4,313

434.83

21

20/0/1

 

SPAdes

 

34

319,375

282,035

4,344

0.00

14

12/0/2

 

SSPACE-LR

 

29

473,660

280,966

4,331

236.65

21

20/0/1

S. cerevisiae S288c

Baseline

Illumina

1,673

10,038

10,671

5,117

86.66

18

8/10/0

 

AHA

Raw/R7/119.9x

363

141,253

78,176

5,325

4,996.13

173

127/46/0

 

LINKS

 

189

288,075

173,906

5,269

3,989.86

66

23/43/0

 

LINKS-Nanocorra

Nanocorr/40.3x

224

645,967

150,299

5,282

15,469.63

160

72/88/0

 

SSPACE-LR

Raw/R7/119.9x

472

220,727

129,088

5,363

10,646.35

140

32/106/2

S. cerevisiae W303

Baseline

Illumina

4,021

59,927

49,258

6,018

3,989.86

76

20/56/0

 

AHA

Raw/R7/119.9x

3,706

440,962

168,384

6,040

1603.59

149

43/106/0

 

LINKS

 

3,782

334,705

176,649

6,030

784.78

97

27/72/0

 

LINKS-Nanocorra

Nanocorr/40.3x

3,671

640,472

165,312

6,035

2,171.54

161

41/120/0

 

CA-Nanocorr

 

95

585,890

263,428

6,247

0.00

166

76/90/0

 

CA-Nanocorr (polished)

 

95

585,932

263,474

6,250

0.00

168

77/90/1

 

CA-Nanocorr (polished)-LINKSa

Raw/R7/119.9x

93

585,932

263,474

6,250

24.05

169

80/88/1

 

CA-NaS

13x of >10 kb reads

121

159,881

109,441

6,016

0.00

146

76/70/0

 

SSPACE-LR

Raw/R7/119.9x

3,249

354,977

126,601

6,044

10,953.41

173

41/132/0

  1. aLINKS-Nanocorr are derived from re-scaffolding baseline Illumina assemblies with Nanocorr-corrected ONT reads whereas CA-Nanocorr (polished)-LINKS is derived from re-scaffolding the CA-Nanocorr (polished) assembly [8, 17] with raw ONT W303 reads
  2. bBest genome assembly metrics are highlighted in Bold