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Table 1 The final cell density, l-valine production, glucose consumption and the yield of substrate to product of different strains after 28 h flask fermentation

From: Identification and application of a growth-regulated promoter for improving l-valine production in Corynebacterium glutamicum

Strains

Cell density (g/L)

l-Valine titer (g/L)

Glucose consumption (g/L)

YS/P (%)

AN2

16.65 ± 0.71

12.01 ± 0.36

112 ± 7

0.16

GRgltA

15.41 ± 0.58

15.29 ± 0.41

91 ± 6

0.26

GRaceE

15.10 ± 0.70

14.88 ± 0.33

99 ± 7

0.23

AN2ΔgltA

7.16 ± 0.48

3.3 ± 0.13

38 ± 5

–

AN2ΔaceE

5.88 ± 0.54

2.7 ± 0.16

34 ± 5

–