Table 2.
Organization of NBS-encoding genes in ten plant genomes
| Plant species | No. of NBS genes | No. of cluster genes | Proportion of cluster genes | No. of clusters | Mean members per cluster |
|---|---|---|---|---|---|
| Gossypium arboreum | 246 | 182 | 74.0% | 54 | 3.4 |
| Gossypium raimondii | 365 | 287 | 78.6% | 52 | 5.5 |
| Gossypium hirsutum | 588 | 463 | 78.7% | 88 | 5.3 |
| Gossypium barbadense | 682 | 520 | 76.2% | 147 | 3.5 |
| Theobroma cacao | 298 | 241 | 80.1% | 52 | 4.6 |
| Zea mays (Maize)a | 107 | 61 | 57.0% | 22 | 2.8 |
| Sorghum bicolor a | 236 | 217 | 91.9% | 25 | 8.7 |
| Oryza sativa (Rice)a | 519 | 362 | 69.7% | 104 | 3.5 |
| Arabidopsis thaliana a | 171 | 125 | 73.1% | 39 | 3.2 |
| Medicago truncatula a | 469 | 310 | 66.1% | 61 | 5.1 |
aData from Cheng Y et al. [25]