TABLE 3.
l-Lysine formation with C. glutamicum strain DM1730 as a function of the substrates glucose and myo-inositol and mixtures of these substrates
Timea | Glucose concn (mM) | Inositol concn (mM) | Growth (OD) | l-Lysineb concn (mM) | Yieldc (mol/mol) |
---|---|---|---|---|---|
I | 202.0 | 0 | 14 | 37.8 | 0.19 |
I | 186.8 | 16.6 | 24 | 40.5 | 0.20 |
I | 176.7 | 27.7 | 23 | 38.1 | 0.19 |
I | 0 | 222.0 | 17 | 23.0 | 0.10 |
II | 202.0 | 0 | 21 | 63.6 | 0.31 |
II | 186.8 | 16.6 | 23 | 44.1 | 0.22 |
II | 176.7 | 27.7 | 24 | 38.3 | 0.19 |
II | 0 | 222.0 | 19 | 22.7 | 0.10 |
Time I gives growth, l-lysine concentration, and yield after 24 h, whereas time II gives the values after 48 h, when all of the sugar was consumed.
All data are mean values of at least three independent cultivations with errors of <5% for l-lysine concentrations and yields.
Molar yields are given as moles of l-lysine per mole of carbon source consumed.