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Table 1 Raw sequence reads and post-QA/QC sequence reads statistics from nine 250PE and three 300PE MiSeq runs

From: An improved dual-indexing approach for multiplexed 16S rRNA gene sequencing on the Illumina MiSeq platform

Run type

Pool ID (run ID)

Number of samples per pool

Raw sequence reads

QA/QC sequence reads

   

[DNA] (pM)

Cluster density

%phiX

% ≥Q30

Reported machine error

Number of read pairs

Total number of reads

Median read length

Mean read length

    

(K/mm2)

       
         

(Forward; Reverse)a

(S1, S2)a

(S1, S2) ± SDa

250PE

199–205 (130325)

352

5.5

509

16.3

87.4

1.24

9,413,692

5,994,627; 6,243,014

268; 256

266.04 ± 7.12; 246.99 ± 23.98

250PE

207–212 (130525)

387

6

583

14.4

86.3

1.32

10,656,207

7,438,345; 7,196,027

268; 259

265.41}8.02; 248.67}23.14

250PE

217–222 (130612)

337

6.2

650

15.1

84.1

1.5

11,706,459

7,806,262; 8,021,515

268; 244

265.03}8.48; 240.30}20.49

250PE

223–228 (130705)

364

5.5

839

10.7

84.6

1.24

13,398,346

9,703,996; 9,226,330

268; 261

265.00}8.84; 250.24}23.38

250PE

229–234 (130708)

366

4

625

8.4

81.1

1.57

11,071,952

8,089,983; 7,167,888

268; 232

265.85}6.94; 228.97}28.21

250PE

241–246 (130805)

305

12

527

8.9

92.5

1.34

9,615,279

7,393,672; 7,180,867

268; 264

266.21}6.23; 255.01}19.15

250PE

247–252 (130801)

299

9

429

17.3

91.2

1.07

7,787,755

5,267,816; 5,190,563

268; 266

266.39}7.73; 256.12}20.82

250PE

259–265 (130813)

426

7

445

9.3

90.7

1.46

7,919,928

5,920,074; 5,425,815

268; 265

265.10}9.83; 255.54}17.47

250PE

235–240 (130815)b

371

11

351

14.7

90.7

1.71

8,517,215

6,268,044; 5,848,845

268; 267

267.73}2.75; 262.44}13.29

300PE

235–240 (130916)b

371

11

514

13.9

90.9

1.44

12,522,115

9,328,369

499

497.19}6.93

300PE

266–270 (131011)

271

11

441

15.4

91.3

1.54

10,699,820

8,111,221

485

488.03}9.78

300PE

271–275 (131015)

276

12

592

12.3

90.4

1.52

14,241,937

10,912,710

495

491.05}10.56

  1. 250PE, 250 bp paired-end read; 300PE, 300 bp paired-end read; Q30, base call quality value >30; QA, quality assurance; QC, quality control; S1, sequence read 1; S2, Sequence read 2.
  2. a300PE statistics for assembled paired-end sequences; bThis pool was sequenced with both 250PE and 300PE protocol.