TABLE 3.
Specific production of volatile sulfur compounds by B. aurantiacum ATCC 9175 in SDM with different sulfur sourcesa
| Volatile sulfur compound | Mean sulfur compound concn (μg kg−1) ± SD |
||
|---|---|---|---|
| MC | C | S | |
| Methanethiol | 1.04 ± 0.40 | ND | ND |
| DMDS | 643.51 ± 136.35 | 0.70 ± 0.06 | 0.23 ± 0.05 |
| 2,4-Dithiapentane | 0.08 ± 0.05 | ND | ND |
| DMTS | 201.63 ± 50.45 | 0.05 ± 0.02 | ND |
| DMQS | 0.59 ± 0.31 | ND | ND |
a
ND, not detected. Abbreviations: MC, methionine plus cystine (10 mM l-methionine plus 500 μM l-cystine); C, cystine (500 μM l-cystine); S, sulfate (500 μM sulfate); DMDS, dimethyl disulfide; DMTS, dimethyl trisulfide; DMQS, dimethyl tetrasulfide. All experiments were performed in triplicate.