| cPHB | poly-(R)-3-hydroxybutyrate |
| DEC | diarrheagenic E. coli |
| ECF | extracytoplasmic function |
| HDC | histidine decarboxylase |
| IAA | indole-3-acetic acid |
| IBS | Irritable bowel syndrome |
| ImAA | imidazole-4-acetic acid |
| LBD | ligand binding domain |
| PQS | Pseudomonas quinolone signal |
| TCS | two-component system |