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Table 3 Number of small RNA clusters and loci generating 21-nt- or 24-nt-phased siRNAs

From: Identification of wounding and topping responsive small RNAs in tobacco (Nicotiana tabacum)

    Root   Leaf
Category Phase size (nt) Control Topping Wounding Wounding
Small RNA clusters 21 1890 5116 15252 6559
  24 11726 37000 107765 84270
Phased siRNA generating loci (P > 1.4) 21 189 919 3098 973
  24 1359 5244 20112 14681
Phased siRNA generating loci (P > 10) 21 13 50 220 57
  24 7 115 691 508
  1. Loci homologous to known house-keeping noncoding RNAs, such as rRNA, tRNA, snRNA and snoRNA and overlapped with repeat sequences were excluded. The phase scores (P values) were calculated following the description in Howell et al. [42]