Table 2 Motif count of GANNNNGA in the 1000 bp upstream sequences of orthologous miRNAs of C. elegans and C. briggsae

1

mir-228

intergenic

52

29

36

mir-268

Intergenic

10

23

2

mir-47

Intergenic

27

29

37

mir-70

Intronic +

9

9

3

mir-233

Intronic +

26

16

38

mir-253

Intronic +

9

10

4

mir-124

Intronic +

26

30

39

mir-353

Intronic +

9

10

5

mir-239.2

Intergenic

24

13

40

mir-359

Intergenic

9

10

6

mir-241

Intergenic

23

10

41

mir-42

Intergenic

9

19

7

mir-52

Intergenic

23

25

42

mir-254

Intronic +

8

6

8

mir-1

Intergenic

23

26

43

mir-240

Intergenic

8

7

9

mir-239.1

Intergenic

22

13

44

mir-45

Intergenic

8

10

10

mir-87

Intronic +

18

15

45

mir-57

Intergenic

8

18

11

mir-62

exon overlap

18

21

46

mir-79

Intergenic

8

34

12

mir-71

Intronic +

18

34

47

mir-360

Intergenic

7

8

13

mir-58

Intronic +

17

16

48

mir-235

Intergenic

7

9

14

mir-82

Intronic +

17

22

49

mir-248

Intergenic

7

10

15

lin-4

Intergenic

17

23

50

mir-232

Intergenic

7

11

16

mir-86

Intronic -

17

24

51

mir-34

Intergenic

7

12

17

mir-49

Intergenic

16

10

52

mir-242

Intergenic

7

14

18

mir-85

intronic +

16

13

53

mir-81

Intronic -

7

14

19

mir-354

3' UTR +

16

14

54

mir-245

Intergenic

7

15

20

mir-90

Intergenic

16

27

55

mir-231

Intergenic

6

10

21

mir-77

Intergenic

15

8

56

mir-60

Intergenic

6

12

22

mir-35

intronic -

15

11

57

mir-51

Intergenic

6

18

23

mir-244

Intergenic

15

16

58

mir-83

Intergenic

6

18

24

mir-84

Intergenic

14

18

59

mir-61

Intergenic

6

21

25

mir-251

Intergenic

13

9

60

mir-392

Intergenic

5

5

26

mir-80

Intergenic

13

15

61

mir-234

Intergenic

5

9

27

mir-73

Intergenic

13

16

62

mir-356

3' UTR +

5

9

28

mir-50

Intronic +

12

11

63

mir-355

Intergenic

5

10

29

mir-259

Intergenic

12

13

64

mir-358

Intronic -

5

10

30

mir-67

Intronic +

12

18

65

mir-236

Intergenic

5

11

31

mir-46

Intergenic

11

19

66

mir-72

Intergenic

5

14

32

let-7

Intergenic

10

5

67

mir-230

Intergenic

5

15

33

mir-255

Intergenic

10

9

68

lsy-6

Intergenic

5

18

34

mir-246

Intergenic

10

10

69

mir-75

Intergenic

4

14

35

mir-252

Intergenic

10

16

70

mir-249

Intergenic

3

12