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Table 4 Observed and expected densities of SSRs in different genic regions

From: Distinct patterns of SSR distribution in the Arabidopsis thalianaand rice genomes

 

5'-UTR

Exon

Intron

3'-UTR

Arabidopsis

    

Mononucleotide

434.6 (12.3)

3.3 (4.8)

321.6 (65.7)

33.9 (3.2)

Dinucleotide

664.2 (20.4)

7.3 (12.9)

122.7 (33.9)

12.3 (3.1)

Trinucleotide

702.7 (7.7)

218.7 (4.5)

90.9 (17.6)

17.1 (1.4)

Tetranucleotide

105.8 (27.7)

3.3 (17.9)

58.7 (58.9)

8.7 (4.5)

Rice

    

Mononucleotide

248.1 (6.1)

4.2 (3.7)

132.9 (4.9)

222.8 (11.5)

Dinucleotide

500.6 (13.2)

16.1 (11.5)

70.9 (12.8)

88.5 (16.9)

Trinucleotide

1670.6 (4.5)

421.4 (3.9)

182.3 (4.4)

153.2 (6.5)

Tetranucleotide

337.4 (18.7)

7.6 (16.1)

46.2 (17.7)

121.6 (24.3)

  1. The unit is per mega-base pairs. The numbers listed in parentheses are the expected densities of various periods in different regions.