| Mutant ID | Virulent? | Overall virulence | PhoA expressed? (blue on X-phos) | PhoA present (from PCR) | Genomic DNA isolated? |
| 68-A | no | 0 | yes | yes | yes |
| 45-B | no | 0 | yes | yes | yes |
| 45-A | no | 0 | no | ||
| 4-A | no | 0 | yes | yes | yes |
| 74-A3 | no | 0 | yes | yes | yes |
| 74-A4 | no | 0 | yes | yes | yes |
| 71-F11 | no | 0 | yes | yes | yes |
| 73-C2 | no | 0 | yes | yes | yes |
| 73-E1 | no | 0 | yes | yes | yes |
| 73-F6 | no | 0 | yes | yes | yes |
| 72-G2 | no | 0 | yes | yes | yes |
| 74-G1 | no | 0 | yes | yes | yes |
| 74-H2 | no | 0 | yes | yes | yes |
| 74-10 | no | 0 | yes | yes | yes |
| 73-G4 | no | 0 | yes | yes | yes |
| 73-G1 | no | 0 | yes | yes | yes |
| 71-C11 | attenuated | 0.5 | yes | ||
| 73-D1 | attenuated | 0.5 | yes | ||
| 72-A6 | attenuated | 0.5 | no | yes | yes |
| 74-A12 | attenuated | 0.5 | yes | ||
| 74-9 | attenuated | 0.5 | yes | ||
| 73-G6 | attenuated | 0.5 | yes | ||
| 72-G4 | attenuated | 0.5 | yes | ||
| 72-G8 | attenuated | 0.5 | yes | ||
| 74-B2 | attenuated | 1 | yes | ||
| 74-E11 | attenuated | 1 | yes | ||
| 133-A | attenuated | 1 | yes | ||
| 74-F7 | yes | 2 | yes | ||
| 74-B6 | yes | 2 | yes | ||
| 74-C7 | yes | 2 | yes | ||
| 72-A9 | yes | 2 | yes | ||
| 73-C8 | yes | 2 | yes | ||
| 73-F9 | yes | 2 | yes | ||
| 51-A | yes | 3 | yes | ||
| 144-A | yes | 3 | no | ||
| 16-B | yes | 4 | Yes | ||
| 100-A | yes | 4 | yes |