Table 2.
Selection pressure analysis of the GP5 protein of PRRSV.
| Protein | Codon | SLAC | FEL | MEME | FUBAR | ||||
|---|---|---|---|---|---|---|---|---|---|
| dN-dS | p | alpha = beta | p | β+ | p | β-α | Post.pr. | ||
| GP5 | 2 | 1.07 | 0.0362 | 0.111 | 0.005 | 0.45 | 1 | 0.656 | 0.973 |
| 8 | 1.91 | 0.00182 | \ | 0.7368 | 1.03 | 1 | 1.61 | 0.995 | |
| 10 | 0.895 | 0.102 | 10,268 | 0.0469 | 4.45 | 0.17 | 0.557 | 0.938 | |
| 106 | 1.87 | 0.0718 | 1.731 | 0.0301 | 4.74 | 0.51 | 3.853 | 0.881 | |
The sites found to be under positive selection (significance value) by at least three methods are shown. Codons with p < 0.1 by the SLAC method, p < 0.1 by the FEL method, p < 0.1 by the MEME method, or Post.pr. A value ≥0.9 by the FUBAR method was considered to be under positive selection.