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Table 5 A comparison of intracellular metabolites in CRZ14e and CRZ14e-ED

From: Coexistence of the Entner–Doudoroff and Embden–Meyerhof–Parnas pathways enhances glucose consumption of ethanol-producing Corynebacterium glutamicum

Metabolite

Intracellular metabolite (mM)

Ratio

P valuea

CRZ14e

CRZ14e-ED

G6P

0.22 ± 0.01

0.25 ± 0.02

1.1

0.04

F6P

0.03 ± 0.00

0.03 ± 0.01

1.0

0.27

FBP

34 ± 3

38 ± 2

1.1

0.12

DHAP

3.4 ± 0.1

3.7 ± 0.2

1.1

0.03

GAP

0.16 ± 0.01

0.23 ± 0.03

1.4

0.02

BPG

0.04 ± 0.02

0.08 ± 0.01

2.0

0.02

3PG

0.72 ± 0.08

1.15 ± 0.06

1.6

0.00

PEP

0.12 ± 0.00

0.17 ± 0.02

1.4

0.02

PYR

2.18 ± 0.41

2.29 ± 0.13

1.1

0.68

Ru5P

0.19 ± 0.01

0.12 ± 0.01

0.6

0.00

R5P

0.09 ± 0.01

0.07 ± 0.00

0.8

0.02

6PG

0.03 ± 0.00

0.09 ± 0.01

3.0

0.00

ADP

0.37 ± 0.02

0.32 ± 0.03

0.9

0.07

ATP

1.70 ± 0.05

1.92 ± 0.10

1.1

0.02

NAD

0.28 ± 0.03

0.37 ± 0.07

1.3

0.14

NADH

0.07 ± 0.00

0.07 ± 0.02

1.0

0.97

NADP

0.17 ± 0.02

0.11 ± 0.01

0.6

0.01

NADPH

0.02 ± 0.01

0.10 ± 0.01

5.0

0.00

KDPG

0.00 ± 0.00

0.09 ± 0.01

NA

0.00

ATP/ADP

4.64 ± 0.29

5.98 ± 0.49

1.3

0.02

NADH/NAD

0.24 ± 0.02

0.19 ± 0.09

0.8

0.45

  1. Data obtained from 2-h reactions show the average and the standard deviation from three measurements
  2. aStudent’s t test was used for statistical analyses