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Table 2 Distribution of SSR types in coding DNA sequences (CDSs), untranslated regions (UTRs), and genomic DNA of the apple genome

From: Identification, characterization, and utilization of genome-wide simple sequence repeats to identify a QTL for acidity in apple

Repeat Region Repeat length (bp) Total Frequency (%)
   <30 30-40 40-50 >50   
Dimer CDS 76 0 0 0 76 0.27
  UTR 2098 598 158 153 3007 10.54
  Genomic 10860 3817 1755 1010 17442 61.12
Trimer CDS 260 5 0 0 265 0.93
  UTR 425 22 3 2 452 1.58
  Genomic 2411 211 69 95 2786 9.76
Tetramer CDS 10 0 0 0 10 0.04
  UTR 158 11 1 1 171 0.60
  Genomic 1472 107 22 11 1612 5.65
Pentamer CDS 16 0 0 0 16 0.06
  UTR 223 7 0 0 230 0.81
  Genomic 1658 19 1 2 1680 5.89
Hexamer CDS 136 8 1 1 146 0.51
  UTR 248 10 2 0 260 0.91
  Genomic 355 20 9 1 385 1.35