| SgGAPDH | Streptococcus gordonii glyceraldehyde-3-phosphate dehydrogenase |
| HmuY | Porphyromonas gingivalis hemophore-like heme-binding protein |
| Tfo | HmuY homolog from Tannerella forsythia |
| PinO | HmuY homolog from Prevotella intermedia |
| PinA | HmuY homolog from Prevotella intermedia |
| Kgp | Porphyromonas gingivalis lysine-specific gingipain |
| RT-qPCR | reverse transcriptase-quantitative polymerase chain reaction |