Table 1 Gene and gene family numbers of NBS-encoding genes and LRR-RLK genes in five species
| Â | Cucumis sativus | Cucumis melo | Citrullus lanatus | Glycine max | Populus trichocarpa |
|---|---|---|---|---|---|
R-genes | Â | Â | Â | Â | Â |
  Total numbers | 70 | 75 | 55 | 450 | 552 |
  TIR type | 20 | 29 | 29 | 148 | 116 |
  Non-TIR type | 50 | 46 | 27 | 302 | 436 |
  Subfamily number | 11 | 12 | 12 | 22 | 26 |
  Average per subfamily | 5.0 | 4.2 | 3.1 | 15.6 | 15.4 |
LRR-RLK encoding genes | Â | Â | Â | Â | Â |
  Total numbers | 189 | 169 | 184 | 501 | 447 |
  Subfamily number | 54 | 54 | 54 | 55 | 55 |
  Average per subfamily | 3.5 | 3.1 | 3.4 | 9.1 | 8.1 |