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Table 1 The pH variance, consumed xylose, generated biomass, and calculated CO2-fixation rate of E. coli strains after 24 h of aerobic cultivation in 5 % CO2

From: Quantitative analysis of an engineered CO2-fixing Escherichia coli reveals great potential of heterotrophic CO2 fixation

Strain

Initial pH

Final pHa

Consumed xylosea (mmol L−1)

Biomassa (DCW L−1)

CO2-fixation rate (mg L−1 h−1)

BL21(DE3)/pET-RBC-PRK

7.0

6.81 ± 0.06

13.7 ± 1.1

0.82 ± 0.33

13.3 ± 3.2

BL21(DE3)/pET-RBC-PRK-CA

7.0

6.81 ± 0.04

14.8 ± 1.5

0.87 ± 0.29

19.6 ± 4.0

BL21(DE3)/pET-RBC197-PRK2021

7.0

6.87 ± 0.07

29.8 ± 4.7

1.59 ± 0.25

–

  1. aThe cultivation was independently repeated for three times and the standard deviations were shown after the mean value
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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