Table 1 Basic characteristic of reads in four libraries and data of sequencing reads mapping to the reference genome.

From: Transcriptional profiling of long non-coding RNAs in mantle of Crassostrea gigas and their association with shell pigmentation

Sample name

BSM

GSM

NSM

WSM

Raw reads

99,758,320

109,996,464

119,299,572

136,748,678

Clean reads

93,987,492

103,305,608

112,944,804

130,967,948

Clean bases

14.1 G

15.5 G

16.94 G

19.65 G

Error rate(%)

0.02

0.01

0.02

0.01

Q20(%)

96.91

97.1

96.96

97.6

Q30(%)

92.47

92.81

92.57

93.88

GC content(%)

44.08

46.57

44.08

45.16

Total mapped

70571864 (75.09%)

81660962 (79.05%)

84586510 (74.89%)

100807144 (76.97%)

Multiple mapped

7312694 (7.78%)

9367467 (9.07%)

7700828 (6.82%)

10709954 (8.18%)

Uniquely mapped

63259170 (67.31%)

72293495 (69.98%)

76885682 (68.07%)

90097190 (68.79%)

Read-1

32615939 (34.7%)

37203463 (36.01%)

39517852 (34.99%)

45957811 (35.09%)

Read-2

30643231 (32.6%)

35090032 (33.97%)

37367830 (33.09%)

44139379 (33.7%)

Reads map to ‘+’

31768580 (33.8%)

36272547 (35.11%)

38639356 (34.21%)

45154870 (34.48%)

Reads map to ‘−’

31490590 (33.51%)

36020948 (34.87%)

38246326 (33.86%)

44942320 (34.32%)

Non-splice reads

41421851 (44.07%)

50059318 (48.46%)

52748486 (46.7%)

58198638 (44.44%)

Splice reads

21837319 (23.23%)

22234177 (21.52%)

24137196 (21.37%)

31898552 (24.36%)