Table 5. Classification of EST-SSR according to the motif length.
Types of repeats | Class I (>20 bases) | Class II (<20 bases) | Total No. of SSR loci | Average frequency(Kb/SSR) |
---|---|---|---|---|
Dinucleotide | 223 | 705 | 928 | 15.20 |
Trinucleotide | 266 | 876 | 1142 | 12.33 |
Tetranucleotide | 29 | 223 | 252 | 55.87 |
Pentanucleotide | 17 | 450 | 467 | 30.15 |
Hexanucleotide | 122 | 462 | 584 | 24.11 |
Total | 657 (19.47%) | 2716 (80.53%) | 3373 | 4.17 |