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Table 3 Furfural and HMF conversion rate of recombinant Z. mobilis strains in corn stover hydrolysate

From: Enhancement of furan aldehydes conversion in Zymomonas mobilis by elevating dehydrogenase activity and cofactor regeneration

Recombinant strains

Furfural conversion (g/L)

HMF conversion (g/L)

12 h

24 h

12 h

24 h

ZM4(pHW20a-gfp) (Control)

0.15 ± 0.01

0.33 ± 0.02

0.02 ± 0.01

0.05 ± 0.01

ZM4(pHW20a-ZMO0062)

0.15 ± 0.01

0.28 ± 0.02

0.01 ± 0.00

0.01 ± 0.00

ZM4(pHW20a-ZMO1696)

0.18 ± 0.00

0.33 ± 0.02

0.02 ± 0.00

0.05 ± 0.03

ZM4(pHW20a-ZMO1722)

0.18 ± 0.04

0.32 ± 0.05

0.02 ± 0.01

0.05 ± 0.01

ZM4(pHW20a-ZMO1771)

0.26 ± 0.02

0.40 ± 0.01

0.03 ± 0.01

0.07 ± 0.00

ZM4(pHW20a-ZMO1993)

0.16 ± 0.00

0.33 ± 0.01

0.01 ± 0.01

0.03 ± 0.00

ZM4(pHW20a-ZMO0976)

0.17 ± 0.02

0.31 ± 0.00

0.01 ± 0.00

0.03 ± 0.02

ZM4(pHW20a-ZMO1344)

0.14 ± 0.01

0.27 ± 0.01

0.01 ± 0.00

0.03 ± 0.01

ZM4(pHW20a-ZMO1673)

0.18 ± 0.00

0.29 ± 0.03

0.01 ± 0.00

0.06 ± 0.00

ZM4(pHW20a-ZMO1773)

0.13 ± 0.00

0.23 ± 0.01

0.02 ± 0.01

0.02 ± 0.01

ZM4(pHW20a-ZMO1984)

0.20 ± 0.02

0.31 ± 0.04

0.02 ± 0.00

0.04 ± 0.02

  1. The corn stover hydrolysate contained 59.45 g/L of glucose, 24.03 g/L of xylose, 3.21 g/L of acetic acid, 0.38 g/L of HMF and 0.69 g/L of furfural at 30 °C. Standard deviations were derived from at least two independent determinations