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Growth of C. difficile strain 630Δerm in minimal medium containing different sulfur sources
| Sulfur source (concn) | Growth ata: |
|
|---|---|---|
| 16 h | 48 h | |
| Sulfate (4 mM) | − | − |
| Sulfite (4 mM) | − | − |
| Sulfide (4 mM) | + | + |
| Thiosulfate (4 mM) | − | + |
| Cysteine (4 mM) | + | + |
| Cystine (2 mM) | − | + |
| Glutathione (2 mM) | + | + |
| Cystathionine (2 mM) | − | + |
| Homocysteine (2 mM) | + | + |
| Methionine (1.5 mM) | − | − |
+, growth; −, no growth.
