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Table 2 Macrokinetic parameters of L. lactis continuous cultures calculated from at least 12 different samples collected at the different growth rates.

From: Growth rate regulated genes and their wide involvement in the Lactococcus lactis stress responses

D (h-1) 0.09 0.24 0.35 0.47
[X] (g/L) 0.76 +/- 0.02 0.79 +/- 0.01 0.75 +/- 0.01 0.75 +/- 0.01
[isoleucine] (μM) <10 <10 <10 <10
[glucose] (mM) 43.23 +/- 4 70.9 +/- 2 81.05 +/- 5 84.41 +/- 2
[lactate] (mM) 116.52 +/- 6 77.57 +/- 4 57.12 +/- 6 51.85 +/- 2
YGluc, Lact
(mol Lact/mol Gluc)
1.7 1.8 1.7 1.6
qGluc (mmol/gX/h) 8.28 +/- 1 12.99 +/- 1 15.81 +/- 2 20.25 +/- 1
νLact (mmol/gX/h) 13.33 +/- 1 22.47 +/-1 25.42 +/- 3 31.54 +/-1
  1. D = dilution rate, [ ] = residual concentration, X = biomass, YGluc, Lact = lactate yield from glucose, qGluc = specific glucose consumption rate, νLact = specific lactate production rate.