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AMB Express

Table 3 Growth (OD600), GABA formation (gL−1, gL−1 h−1) and yield (mol GABA mol glucose−1) of C. glutamicum strains producing GABA for 120 hours

From: Disruption of pknG enhances production of gamma-aminobutyric acid by Corynebacterium glutamicum expressing glutamate decarboxylase

C. glutamicumstrain

GAD

GADΔpknG

OD600

71.86 ± 0.59

40.56 ± 1.05

Glucose consumed (gL−1)

83.62 ± 2.92

60.90 ± 4.89

GABA (gL−1)

13.06 ± 0.45

31.16 ± 0.41

Relative difference

1

2.29

GABA (gL−1 h−1)

0.108

0.259

Yield (mol GABA mol glucose−1)

0.272

0.893

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