Skip to main content
. 2014 Mar 26;7:44. doi: 10.1186/1754-6834-7-44

Table 3.

Comparison of K. pneumoniae parent strain (KG1), Δ adhE and the Δ pta using several carbon sources in a 36-h flask cultivation, the values represent mean ± SD

Strain Carbon source (50 g/L) Consumed carbon source (g/L) 2,3-Butanediol (g/L) Lactate (g/L) Acetate (g/L) Acetoin (g/L) Ethanol (g/L) Biomass (g/L) 2,3-Butanediol yield (g/g)
KG1
 Glucose
 49.29 ± 0.65
 16.76 ± 0.22
 3.62 ± 0.21
 4.52 ± 0.45
 1.73 ± 0.09
 2.67 ± 0.16
 4.80 ± 0.32
 0.34
Lactose
 49.39 ± 0.59
 16.28 ± 0.13
 2.95 ± 0.15
 2.98 ± 0.28
 3.26 ± 0.11
 4.16 ± 0.32
 2.80 ± 0.43
 0.33
Fructose
 44.84 ± 0.61
 14.41 ± 0.16
 2.27 ± 0.12
 2.85 ± 0.33
 2.46 ± 0.13
 3.22 ± 0.25
 4.06 ± 0.52
 0.32
Galactose
 34.89 ± 0.48
 10.27 ± 0.11
 3.33 ± 0.15
 2.83 ± 0.32
 1.80 ± 0.10
 2.64 ± 0.28
 3.89 ± 0.18
 0.29
Maltose
 49.20 ± 0.51
 17.30 ± 0.21
 2.03 ± 0.14
 2.79 ± 0.16
 3.56 ± 0.12
 4.45 ± 0.45
 3.87 ± 0.21
 0.35
ΔadhE
 Glucose
 49.27 ± 0.42
 23.65 ± 0.25
 1.35 ± 0.09
 2.05 ± 0.12
 0.60 ± 0.04
 0.52 ± 0.04
 3.95 ± 0.52
 0.48
Lactose
 17.76 ± 0.25
 8.76 ± 0.12
 1.61 ± 0.11
 3.85 ± 0.42
 2.01 ± 0.08
 0.36 ± 0.06
 1.76 ± 0.35
 0.49
Fructose
 49.47 ± 0.52
 21.40 ± 0.24
 1.48 ± 0.13
 1.58 ± 0.12
 0.83 ± 0.06
 0.94 ± 0.02
 3.25 ± 0.28
 0.43
Galactose
 36.35 ± 0.42
 14.05 ± 0.42
 0.73 ± 0.07
 1.96 ± 0.09
 3.70 ± 0.21
 0.65 ± 0.03
 2.99 ± 0.42
 0.39
Maltose
 49.49 ± 0.47
 18.18 ± 0.23
 2.96 ± 0.10
 1.27 ± 0.08
 4.58 ± 0.24
 0.91 ± 0.08
 4.27 ± 0.25
 0.36
Δpta
 Glucose
 49.27 ± 0.54
 20.20 ± 0.62
 0.77 ± 0.09
 3.15 ± 0.11
 2.31 ± 0.15
 1.69 ± 0.32
 3.40 ± 0.52
 0.41
Lactose
 10.10 ± 0.25
 2.98 ± 0.11
 0.96 ± 0.07
 2.01 ± 0.10
 _
 0.30 ± 0.02
 1.01 ± 0.46
 0.30
Fructose
 49.51 ± 0.55
 18.36 ± 0.32
 1.01 ± 0.10
 2.20 ± 0.09
 2.81 ± 0.11
 1.87 ± 0.14
 2.96 ± 0.26
 0.37
Galactose
 39.49 ± 0.23
 11.88 ± 0.12
 0.19 ± 0.06
 1.98 ± 0.12
 1.56 ± 0.14
 1.29 ± 0.21
 3.27 ± 0.43
 0.30
  Maltose 40.28 ± 0.54 14.57 ± 0.24 4.68 ± 0.08 2.50 ± 0.14 1.91 ± 0.12 3.26 ± 0.33 3.74 ± 0.44 0.36