Table 2. Summary of the number of host species and interactions within PHI-base version 4.2.
| Phenotype | Plant | Vertebrate | Insect | Nematode | Other1 |
|---|---|---|---|---|---|
| Host species | 121 | 24 | 19 | 2 | 10 |
| Interactions in total | 5710 | 1865 | 277 | 84 | 32 |
| Loss of pathogenicity | 533 | 143 | 8 | 3 | 1 |
| Reduced virulence | 1763 | 1174 | 161 | 42 | 27 |
| Unaffected pathogenicity | 1639 | 280 | 62 | 18 | 2 |
| Effector (plant avirulence determinant) | 1533 | 111 | 18 | 5 | 1 |
| Increased virulence (hypervirulence) | 129 | 150 | 28 | 16 | 1 |
| Lethal2 | 78 | 3 | 0 | 0 | 0 |
| Chemistry target: resistance to chemical | 26 | 3 | 0 | 0 | 0 |
| Chemistry target: sensitivity to chemical | 5 | 1 | 0 | 0 | 0 |
| Enhanced antagonism | 4 | 0 | 0 | 0 | 0 |
1Other hosts include organisms belonging to the taxons of fungi, Crustacea and slime mold (Dictyostelium discoideum).
2Sixty eight interactions have no specific host associated due to proposed mutant lethality in vitro.