Effect of Gene Disruption on Growth of T. thermophilus
| Disrupted gene | Phenotype | Growth in minimal medium containing α-aminoadipate |
| hacB | lysine auxotroph | + |
| orfE | wild type | |
| orfF | lysine auxotroph | − |
| rimK | lysine auxotroph | − |
| pseudo-argC | lysine auxotroph | − |
| argB | lysine auxotroph | − |