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Table 1 Assembly statistics and computational requirements for assembly of the Tara Oceans metagenome. Time required is given in seconds, minutes and hours for illustrative purposes and memory in GB of RAM required

From: Assembling metagenomes, one community at a time

 

Tara Ocean

CLC

IDBA-UD

MEGAHIT

metaSPAdes

MetaVelvet

Omega

Ray Meta

SPAdes

Velvet

Number of contigs (≥ 500 bp)

50,716

163,815

216,938

185,419

67,161

15,982

6128

220,178

57,816

Total length

46,069,409

179,686,756

210,621,485

202,770,058

55,972,515

34,861,819

7,277,214

275,920,632

45,425,460

No. of long contigs (≥ 1 kbp)

10,720

50,498

56,243

48,640

12,590

13,305

2179

70,711

8802

No. of ultra-long contigs (≥ 50 kbp)

0

2

1

37

0

9

0

54

0

Largest contig

39,748

101,400

62,649

141,519

30,177

102,255

41,443

197,381

21,980

N50

880

1166

982

1124

805

2691

1329

1415

749

L50

14,113

38,236

58,246

39,033

21,544

2737

1345

39,617

19,631

Mapping rate (%)

38.98

52.24

55.92

64.03

4117

13.64

8.25

64.46

48.19

Time (seconds)

3527

69,782

10,455

125,862

2527

168,213

16,419

80,039

2342

Time (minutes)

58.78

1163.03

174.25

2097.70

42.12

2803.55

273.65

1333.98

39.03

Time (hours)

0.98

19.38

2.90

34.96

0.70

46.73

4.56

22.23

0.65

Memory required (GB)

16.23

42.84

10.58

66.53

109.37

30.7

42

157.75

109.37