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Table 4 Statistics of seven libraries and their reads mapping*

From: Comparative transcriptome profiling of a desert evergreen shrub, Ammopiptanthus mongolicus, in response to drought and cold stresses

Library

CK

D1

D2

D3

C1

C2

C3

Raw reads (M)

8.91

8.34

8.66

8.92

8.59

8.38

8.37

Clean reads (M)

8.86

8.29

8.62

8.87

8.52

8.32

8.32

Mapped reads (M)

7.53

7.31

7.62

7.78

7.42

7.18

7.23

% of mapped reads

85.0

88.2

88.4

87.7

87.1

86.3

86.9

Perfectly matched reads (M)

6.25

6.12

6.37

6.53

6.22

5.90

5.98

% of perfectly matched reads

71.6

73.8

73.9

74.2

72.9

70.6

71.9

Mismatched reads (M)

1.28

1.19

1.25

1.25

1.20

1.29

1.24

% of mismatched reads

14.7

14.4

14.5

14.2

14.1

15.5

15.0

Uniquely matched reads (M)

5.60

5.27

5.54

5.75

5.46

5.27

5.31

% of uniquely matched reads

63.2

63.6

64.3

64.8

64.1

63.3

63.8

Unmapped reads (M)

1.2

0.98

1.00

1.02

1.10

1.14

1.09

% of unmapped reads

13.5

11.8

11.6

11.5

12.9

13.7

13.1

Total unigenes

60279

61029

60149

59789

61231

62693

61568

Coverage (%)

70.0

70.9

69.9

69.5

71.2

72.9

71.5

  1. *CK: untreated control; D1, D2 and D3: 2, 8 and 24 h after drought treatment; C1, C2 and C3: 2, 8 and 24 h after cold treatment; M: million; Mismatch: ≤ 2 bp; Coverage (%): total unigenes in each library/86058 assembled unigenes.