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Table 1 Comparison of the performances of the different conditions for l-Arg production by fermentation

From: Effect of Tween 40 and DtsR1 on l-arginine overproduction in Corynebacterium crenatum

Conditions

GlcC (g/L)

DCW (g/L)

Arginine (g/L)

Yield

VP (g/L/h)

YA/G (g arg/g glc)

YA/D (g arg/g DCW)

CCM01

70.32 ± 3.35

9.92 ± 0.35

15.22 ± 0.27

0.22 ± 0.01

1.54 ± 0.01

0.13 ± 0.03

CCM01 + Tween 40

60.33 ± 2.47

7.91 ± 0.42

17.73 ± 0.18

0.30 ± 0.02

2.24 ± 0.03

0.15 ± 0.04

CCM02

60.96 ± 1.05

8.34 ± 1.07

17.58 ± 0.34

0.29 ± 0.04

2.11 ± 0.02

0.15 ± 0.04

CCM02 + Tween 40

59.37 ± 2.91

7.36 ± 0.27

19.56 ± 0.19

0.33 ± 0.03

2.68 ± 0.02

0.16 ± 0.02

CCM03

80.98 ± 1.05

8.17 ± 1.07

27.45 ± 0.58

0.34 ± 0.05

3.38 ± 0.13

0.23 ± 0.02

CCM03 + Tween 40

89.34 ± 3.91

7.36 ± 0.27

29.97 ± 1.13

0.34 ± 0.09

4.10 ± 0.15

0.25 ± 0.05

  1. Fermentations were performed in a 250 mL flask at 30 °C; the initial glucose concentration was 120 g/L.
  2. Results are the means ± standard deviations in three independent experiments.
  3. GlcC glucose consumed, Y A/G arginine yield vs. glucose, Y A/D arginine yield vs. DCW, V P volumetric productivity.