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Characteristics of Clostridium difficile strains used in this study.
| Clostridium difficile strains | Ribotype | Toxinotype | Origin |
|---|---|---|---|
| R20291 | RT 027 | III | Stoke Mandeville epidemic 027 strain (United Kingdom) |
| P30 | RT 014/020 | 0 | Strain isolated from poultry |
| 630Δerm | RT 012 | 0 | Erythromycin sensitive derivative of the 630 strain (Switzerland) |
| 630Δerm cwp84::erm (named thereafter cwp84 mutant) | RT 012 | 0 | Mutant strain derived from the 630Δerm (Clostron) |
