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Table 2 Individual populations of BLF2 and AY3 in the co-culture at the end of fermentation of DGS hydrolysates based on q-PCR analysis

From: Bioconversion of distillers’ grains hydrolysates to advanced biofuels by an Escherichia coli co-culture

Initial BLF2/AY3 inoculation ratio

Average cell number (cell/mL) in the co-culture at 52 h

Final BLF2/AY3 ratio in the co-culture at 52 h

BLF2

AY3

BLF2 alone

3.2 × 1010

1:0.5

1.8 × 1010

4.1 × 108

43.9

1:1

2.7 × 1010

6.9 × 108

39.1

1:1.5

8.2 × 109

5.6 × 109

1.5

1:2

1.9 × 109

1.6 × 109

1.2

AY3 alone

3.1 × 109