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Table 1 Statistical analysis for the identification of over and under-represented plant species.

From: A computational-based update on microRNAs and their targets in barley (Hordeum vulgare L.)

 

Initial dataset

H.vulgare

 

n° of mature sequences (redundant set)

%

n° of mature sequences (redundant set) matching at least one barley EST

%

p-value

Arabidopsis thaliana

207

10.7

43

8.7

0.019

Oryza sativa

415

21.5

102

20.5

0.038

Glycine max

79

4.1

15

3.0

0.046

Pinus taeda

38

2.0

6

1.2

0.068

Triticum aestivum

32

1.7

20

4.0

2.0 × 10-4

Physcomitrella patens

281

14.6

39

7.8

1.7 × 10-6

Populus trichocarpa

237

12.3

71

14.3

0.021

Chlamydomonas reinhardtii

84

4.4

2

0.4

6.3 × 10-8

Selaginella moellendorffii

64

3.3

12

2.4

0.058

Vitis vinifera

140

7.3

47

9.5

0.012

Brassica napus

44

2.3

19

3.8

0.010

Gossypium hirsutum

13

0.7

4

0.8

0.185

Medicago truncatula

46

2.4

8

1.6

0.068

Solanum lycopersicum

30

1.6

11

2.2

0.065

Sorghum bicolor

72

3.7

27

5.4

0.014

Zea mays

98

5.1

48

9.7

1.1 × 10-5

Brassica oleracea

7

0.4

2

0.4

0.268

Brassica rapa

19

1.0

8

1.6

0.061

Saccharum officinarum

16

0.8

11

2.2

2.3 × 10-3

Gossypium herbecium

1

0.1

0

0.0

0.773

Carica papaya

1

0.1

0

0.0

0.773

Vigna unguiculata

1

0.1

0

0.0

0.773

Lotus japonicus

2

0.1

0

0.0

0.597

Gossypium rammindii

2

0.1

2

0.4

0.079

Total

1929

 

497

  
  1. For each species, the table shows the number of mature sequences from the redundant set of 1929 sequences stored in the miRBase and number of mature sequences matching at least one barley EST. It also shows the p-value calculated with a binomial distribution.
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BMC Genomics

ISSN: 1471-2164

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