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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.