Biochar-mediated enhanced ethanol fermentation (BMEEF) in Zymomonas mobilis under furfural and acetic acid stress

Wang, Wei-ting; Dai, Li-chun; Wu, Bo; Qi, Bu-fan; Huang, Tian-fang; Hu, Guo-quan; He, Ming-xiong

doi:10.1186/s13068-020-1666-6

Biotechnology for Biofuels and Bioproducts

Table 1 Conversion of glucose to ethanol by Z. mobilis under acetic acid and/or furfural stresses

From: Biochar-mediated enhanced ethanol fermentation (BMEEF) in Zymomonas mobilis under furfural and acetic acid stress

Strain	Fermentation time (h)	Glucose consumed (g/L)	Ethanol			Theoretical yield (%)	References
Strain	Fermentation time (h)	Glucose consumed (g/L)	Titer (g/L)	Yield (g/g glucose)	Productivity (g/L/h)	Theoretical yield (%)	References
50.0 g/L glucose + 3.0 g/L acetic acid							This study
ZM4 + C	12	52.60 ± 0.37	26.39 ± 0.18*	0.50 ± 0.00**	2.20 ± 0.02***	97.85
ZM4	20	51.79 ± 0.58	24.83 ± 0.59	0.48 ± 0.01	1.24 ± 0.03	93.93
50.0 g/L glucose + 6.0 g/L acetic acid
ZM4 + C	16	51.47 ± 0.01***	25.10 ± 0.12***	0.49 ± 0.00***	1.57 ± 0.01***	95.89
ZM4	48	50.61 ± 0.05	22.69 ± 0.08	0.45 ± 0.00	0.47 ± 0.00	88.06
50.0 g/L glucose + 9.0 g/L acetic acid
ZM4 + C	60	51.26 ± 0.00	23.58 ± 1.03***	0.46 ± 0.02***	0.39 ± 0.02	90.02
ZM4	–	51.35 ± 0.18	0.18 ± 0.01	0.00 ± 0.00	–	–
50.0 g/L glucose + 12.0 g/L acetic acid
ZM4 + C	108	51.17 ± 0.10	21.79 ± 0.17***	0.43 ± 0.00***	0.20 ± 0.00	84.15
ZM4	–	51.27 ± 0.04	0.06 ± 0.04	0.00 ± 0.00	–	–
100.0 g/L glucose + 6.3 g/L acetic acid, pH 6.0
ZM401	24	99.9	48.9	0.49	2.04	95.89	[30]
50.0 g/L glucose + 8.0 g/L acetic acid
AQ8-1	64	49.59	20.76	0.42	0.32	82.19	[10]
AC8-9	72	41.85	21.46	0.43	0.30	84.15
50.0 g/L glucose + 1.0 g/L furfural							This study
ZM4 + C	12	51.39 ± 0.02	23.77 ± 0.14**	0.46 ± 0.00**	1.98 ± 0.01***	90.02
ZM4	28	51.39 ± 0.04	22.57 ± 0.23	0.44 ± 0.00	0.81 ± 0.01	86.11
50.0 g/L glucose + 2.0 g/L furfural
ZM4 + C	16	51.04 ± 0.47	23.57 ± 0.53	0.46 ± 0.01*	1.47 ± 0.03***	90.02
ZM4	32	51.28 ± 0.56	22.21 ± 0.79	0.43 ± 0.01	0.69 ± 0.02	84.15
50.0 g/L glucose + 3.0 g/L furfural
ZM4 + C	24	51.42 ± 0.06	23.99 ± 0.88	0.47 ± 0.02	1.00 ± 0.04***	91.98
ZM4	72	51.28 ± 0.19	22.74 ± 0.62	0.44 ± 0.01	0.32 ± 0.01	86.11
50.0 g/L glucose + 4.0 g/L furfural
ZM4 + C	48	51.18 ± 0.12**	22.82 ± 0.85*	0.45 ± 0.02*	0.48 ± 0.02***	88.06
ZM4	84	51.64 ± 0.09	20.35 ± 1.09	0.39 ± 0.02	0.24 ± 0.01	76.32
20.0 g/L glucose + 3.0 g/L furfural
F211	22	N/A	N/A	0.46	N/A	90.02	[16]
F27	28	N/A	N/A	0.47	N/A	91.98	[16]
20.0 g/L glucose + 3.0 g/L furfural
ZM4-MF2	54	20	9.8	0.49	0.181	95.89	[31]

P values calculated by one-way ANOVA, * P < 0.05; ** P < 0.01; *** P < 0.001
Three repeats were performed for each fermentation

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