TABLE 3.
Growth of S. aureus strains on different sulfur sourcesa
| Sulfur source added | Growth
|
||
|---|---|---|---|
| SH1000 | J96 (cysM) | SMH2052 (cysJ) | |
| None (SO42− + methionine) | − | − | − |
| l-Cystine | + | + | + |
| l-Cysteine | + | + | + |
| Glutathione | + | + | + |
| 4-Nitrocatechol sulfate | − | − | − |
| Sodium sulfate | − | − | − |
| Sodium sulfide | + | +/− | + |
| Ethanedisulfonate | − | − | − |
| Benzenesulfonate | − | − | − |
| Sodium thiosulfate | + | − | + |
a
Strains were grown on CDM agar containing 2 mM MgSO4 and 200 μM methionine. Different sulfur sources were added at 500 μM. +, normal growth (colony diameter, 2 to 3 mm) after 24 h at 37°C; −, no growth; +/−, poor growth (colony diameter up to 1 mm).