Table 1 Growth parameters of A.vinelandii wt and AV3 strain without and with additional ammonium.

From: Fluxomic Analysis Reveals Central Carbon Metabolism Adaptation for Diazotroph Azotobacter vinelandii Ammonium Excretion

 

Maximum growth rate (h−1)

Biomass yield on glucose (g g−1)

Glucose uptake rate (mmol gDCW−1 h−1)

PHB content (%)

PHB formation rate (mmol gDCW−1 h−1)

without ammonium

wt

0.250 ± 0.020

0.180 ± 0.018

15.68 ± 0.65

57.0 ± 0.8

4.00 ± 0.49

AV3

0.230 ± 0.005

0.095 ± 0.008

25.07 ± 1.45

31.6 ± 2.4

1.89 ± 0.54

with ammonium

wt

0.270 ± 0.004

0.208 ± 0.056

16.29 ± 3.48

56.1 ± 3.3

4.34 ± 0.22

AV3

0.195 ± 0.001

0.071 ± 0.008

27.64 ± 2.69

33.6 ± 3.3

1.72 ± 0.15

  1. Note. The maximum specific growth rate was calculated between 12 and 18 hrs. One mole of PHB is represented by 3HB. Alginate was not detected in tested conditions. Data are presented as mean ± SD of triplicate measurements.
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