|
Strain
|
Dilute acid pretreated substrate
|
Sugar uptake (mmol/L)
|
Hydrogen concentration (mmol/L)
|
Hydrogen productivity (mmol/L h)
|
Hydrogen yield (mol/mol)
|
Lactic acid production (mmol/L)
|
Acetic acid production (mmol/L)
|
Ethanol production (mmol/L)
|
|---|
|
SCUT27
|
Rice straw
|
37.45 ± 1.82
|
43.38 ± 2.63
|
3.61 ± 0.22
|
1.16 ± 0.06
|
30.44 ± 1.56
|
15.17 ± 1.17
|
35 ± 2.39
|
|
Corn cob
|
41.29 ± 2.25
|
49.47 ± 2.57
|
4.12 ± 0.21
|
1.21 ± 0.05
|
31.89 ± 2
|
20.33 ± 2.16
|
38.48 ± 2.83
|
|
Corn straw
|
44.56 ± 2.11
|
39.79 ± 2.11
|
2.65 ± 0.14
|
0.91 ± 0.06
|
33.11 ± 1.78
|
17.33 ± 1.83
|
40.65 ± 2.39
|
|
Wheat straw
|
47.72 ± 2.56
|
38.35 ± 2.23
|
3.20 ± 0.19
|
0.81 ± 0.05
|
35.11 ± 2
|
19 ± 2.17
|
45.43 ± 2.39
|
|
Soybean straw
|
39.02 ± 1.95
|
33.69 ± 2.03
|
2.81 ± 0.17
|
0.84 ± 0.07
|
28 ± 1.33
|
15 ± 1.67
|
38.48 ± 2.61
|
|
Sorghum straw
|
40.82 ± 2.37
|
39.59 ± 1.87
|
3.63 ± 0.16
|
0.99 ± 0.04
|
31 ± 1.56
|
14 ± 2.5
|
38.91 ± 2.61
|
|
SCUT27/∆nfnAB
|
Rice straw
|
41.51 ± 2.13*
|
62.39 ± 3.45**
|
5.20 ± 0.29**
|
1.48 ± 0.11**
|
28.67 ± 1.78*
|
15.33 ± 1.5
|
43.26 ± 2.61**
|
|
Corn cob
|
42.33 ± 2.59
|
69.76 ± 2.78**
|
5.81 ± 0.23**
|
1.65 ± 0.09**
|
27.67 ± 1.22**
|
20.33 ± 1.5
|
44.78 ± 3.26**
|
|
Corn straw
|
43.98 ± 1.84
|
54.33 ± 2.15**
|
3.62 ± 0.14**
|
1.25 ± 0.07**
|
29.44 ± 1.56**
|
17.83 ± 1.67
|
47.39 ± 2.61**
|
|
Wheat straw
|
48.35 ± 2.67
|
54.26 ± 2.83**
|
4.52 ± 0.24**
|
1.16 ± 0.05**
|
31 ± 1.67**
|
18.67 ± 2.67
|
51.96 ± 2.39**
|
|
Soybean straw
|
42.38 ± 2.23*
|
46.35 ± 2.85**
|
3.86 ± 0.24**
|
1.09 ± 0.07**
|
26.11 ± 2.11*
|
14.83 ± 1.33
|
41.52 ± 3.04*
|
|
Sorghum straw
|
41.69 ± 2.51
|
53.37 ± 2.97**
|
4.45 ± 0.25**
|
1.28 ± 0.09**
|
26.89 ± 1.89**
|
13.83 ± 1.67
|
45.65 ± 3.04**
|
- Asterisks indicate significant differences between SCUT27 and SCUT27/∆nfnAB (**p ≤ 0.01; *p ≤ 0.05; t test). Biomass was not measured due to the addition of CaCO3. mol/mol means mol H2/mol consumed sugar (mainly glucose and xylose)
