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Table 1 Growth kinetic parameters of acetol-producing and non-producing E. coli strains

From: 13C metabolic flux analysis-guided metabolic engineering of Escherichia coli for improved acetol production from glycerol

Strain

Specific growth rate (h−1)

Specific rate (mmol/g/h)

YA/G (mol/mol)

Glycerol consumption

Acetol production

Acetate production

HJ06

0.07 ± 0.002

2.75 ± 0.06

0.38 ± 0.01

0.86 ± 0.02

0.11 ± 0.003

HJ06C

0.07 ± 0.001

2.81 ± 0.06

0

1.30 ± 0.03

0

HJ06N

0.07 ± 0.002

2.78 ± 0.07

0.54 ± 0.01

0.79 ± 0.02

0.19 ± 0.003

HJ06P

0.06 ± 0.001

2.61 ± 0.06

0.74 ± 0.02

0.50 ± 0.01

0.27 ± 0.004

HJ06PN

0.06 ± 0.001

2.58 ± 0.06

0.86 ± 0.02

0.40 ± 0.01

0.35 ± 0.005

  1. YA/G, acetol yield on glycerol