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Table 4 Summary of CLARK ’s assignment of 50,646 unigenes (EST assemblies) to barley chromosome arms (assemblies) and centromeres ( k =19)

From: CLARK: fast and accurate classification of metagenomic and genomic sequences using discriminative k-mers

Targets

19-mers

Discriminative 19-mers

Assignments

Low confidence

High confidence

1H

180,176,713

108,894,740

8,197

21.1%

78.9%

2HC

-

814,357

15

93.3%

6.7%

2HL

103,679,920

64,700,161

4,776

15.8%

84.2%

2HS

90,912,314

54,449,430

3,334

17.3%

82.7%

3HC

-

1,532,968

29

79.3%

20.7%

3HL

123,140,951

78,158,244

4,726

16.7%

83.3%

3HS

111,951,787

70,473,478

3,159

20.4%

79.6%

4HC

-

3,105,047

54

50.0%

50.0%

4HL

106,999,773

64,749,958

3,531

14.4%

85.6%

4HS

89,027,872

51,612,790

2,468

16.4%

83.6%

5HC

-

604,030

9

88.9%

11.1%

5HL

117,915,094

77,128,375

6,111

12.2%

87.8%

5HS

58,067,400

34,037,607

1,619

17.8%

82.2%

6HC

-

469,530

9

100.0%

0.0%

6HL

74,485,223

44,221,184

2,973

12.4%

87.6%

6HS

111,834,123

83,957,421

2,721

24.4%

75.6%

7HC

-

795,923

9

88.9%

11.1%

7HL

92,603,503

58,159,248

3,556

10.9%

89.1%

7HS

90,217,777

55,276,671

3,350

12.6%

87.4%

Total

1,351,012,450

853,141,162

50,646

16.5%

83.5%

  1. Columns: (1) barley chromosome 1H, twelve chromosome arms, and six centromeres; (2) number of distinct k-mers in each target; (3) number of discriminative k-mers present in target sequences (must occur at least once); (4) number of assigned objects per target; (5) number of low confidence assignment per target; (6) number of high confidence assignment per target; (7) percentage of low confidence assignment (as a fraction of the total number of assigned objects per target); (8) percentage of high confidence assignment (as a fraction of the total number of assigned objects per target).