Table 1. Summary of pathogen groups, interactions and phenotypes within PHI-base version 4.2.
| Phenotype/Pathogen1 | Bacterium | Fungus | Protist | Nematode |
|---|---|---|---|---|
| Number of pathogens | 135 | 110 | 15 | 4 |
| Interactions in total | 4038 | 3689 | 299 | 10 |
| Loss of pathogenicity | 358 | 326 | 3 | 1 |
| Reduced virulence | 1546 | 1569 | 47 | 5 |
| Unaffected pathogenicity | 656 | 1338 | 7 | 0 |
| Effector (plant avirulence determinant) | 1269 | 172 | 214 | 3 |
| Increased virulence (hypervirulence) | 187 | 114 | 22 | 1 |
| Lethal | 15 | 132 | 6 | 0 |
| Chemistry target: resistance to chemical | 5 | 30 | 0 | 0 |
| Chemistry target: sensitivity to chemical | 2 | 4 | 0 | 0 |
| Enhanced antagonism | 0 | 4 | 0 | 0 |
1First two rows are summary rows. All other rows list the number of interactions per PHI-base phenotype and pathogen group.