TABLE 1.
Treponema denticola strains used in this study
| Straina | Phenotypeb | Source or reference |
|---|---|---|
| Parent 35405 | SAAPFNA+, PrcA+, PrtP+, oligomeric Msp | ATCC |
| MHE (msp) | SAAPFNA+, PrcA+, PrtP+, Msp− | 10 |
| MPE (msp) | SAAPFNA−, PrcA−, PrtP−, truncated monomeric Msp | 10 |
| CKE (prcA-prtP) | SAAPFNA−, truncated PrcA, PrtP−, reduced Msp, mostly monomeric | 10 |
| CCE (prtP) | SAAPFNA−, unprocessed PrcA, PrtP−, reduced Msp, mostly monomeric | 18 |
| PNE (prcA) | SAAPFNA−, PrcA−, PrtP−, reduced Msp, mostly monomeric | 18 |
| P0760 (TDE0760) | SAAPFNA−, PrcA−, PrtP−, reduced Msp, mostly monomeric | This study |
a
The gene disrupted by ermF-ermB insertion is given in parentheses.
b
PrtP protease activity was assayed by hydrolysis of SAAPFNA; PrcA, PrtP, and Msp production and forms are listed.