Table 1 Fermentation profiles of high-SAM-producing (Kyokai 6) and laboratory (S288C) strains in the presence of glucose with or without l-methionine
Strain | Kyokai 6 | S288C | ||
|---|---|---|---|---|
l-Methionine | − | + | − | + |
SAM production (mg L−1) | 7.5 ± 0.4 | 177.6 ± 4.0 | 6.3 ± 0.1 | 62.6 ± 0.9 |
Biomass (g CDW L−1) | 6.7 ± 0.04 | 5.6 ± 0.06 | 5.5 ± 0.05 | 5.0 ± 0.05 |
SAM content (mg g CDW−1) | 1.1 ± 0.01 | 31.8 ± 1.0 | 1.1 ± 0.01 | 12.5 ± 0.2 |
Ethanol (g L−1) | 17.8 ± 0.5 | 20.0 ± 0.1 | 19.5 ± 0.2 | 20.7 ± 0.1 |
pH | 5.7 ± 0.02 | 5.3 ± 0.05 | 6.0 ± 0.03 | 5.4 ± 0.03 |