Table 1.
Bacterial strains used in this study
| Porphyromonas gingivalis strain | Relevant characteristic(s) | Source |
|---|---|---|
| ATCC 33277 | Wild‐type, type strain | ATCC |
| ∆ompA1 | ompA1 (PGN_0729) deletion mutant of ATCC 33277 (EmR) | This study |
| ∆ompA2 | ompA2 (PGN_0728) deletion mutant of ATCC 33277 (EmR) | This study |
| ∆ompA1A2 | ompA1 (PGN_0729) and ompA2 (PGN_0728) deletion mutant of ATCC 33277 (EmR) | This study |
| ∆ompA2 + pT‐COW‐A2 | ∆ompA2 complemented mutant with ompA operon promoter and ompA2 gene (from ATCC 33277) on pT‐COW plasmid (TcR) | This study |
EmR, erythromycin resistant; TcR, tetracycline resistant.