Table 2

Summary of the four datasets included in this analysis.

D. pulex

D. pulicaria

D. magna GS 20

D. magna GS FLX


Original input data:


Data type

Possible bacterial scaffolds

Contigs and raw reads longer than 500 bps

Contigs longer than 100 bps

Contigs longer than 100 bps


No. of original sequences

21,646

327,632

4,388

6,696


Total length (bps)

59,379,440

323,393,910

4,335,734

6,154,579


Average length (mean ± stdev bps)

2,743 ± 7,205

987 ± 255

988 ± 2,830

919 ± 2,507


Median length (bps)

975

993

218

280


Minimum length (bps)

10

500

100

100


Maximum length (bps)

216,125

9,681

40,374

40,088


Sequence fragments subjected to BLASTN:


No. fragments

256,498

1,088,697

19,163

26,430


Total length (bps)

133,734,869

570,776,073

8,809,340

12,259,583


Average length (mean ± stdev bps)

521 ± 100

524 ± 195

459 ± 149

463 ± 131


Median length (bps)

500

500

500

500


Qi et al. BMC Genomics 2009 10:172   doi:10.1186/1471-2164-10-172

Open Data