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. 2017 Dec 12;45(1):71–76. doi: 10.1007/s10295-017-1994-0

Table 1.

Glycerol fermentation in single- and co-culture of Escherichia coli with Methanobacterium formicicum

Consumed (mM) Produced (mM) Cell number (mL−1)
Glycerol Succinate Formate Acetate Ethanol E. coli M. formicicum
Single culture
 E. coli 4.6 ± 1.6 1.0 ± 0.1 10.7 ± 3.5 1.7 ± 0.9 9.6 ± 2.0 3.4 × 108 ± 0.4 × 108 ND
Co-culture
 E. coli
M. formicicum
53 ± 12.8a 8.0 ± 0.7a 0 7.3 ± 1.0 47.2 ± 16.1 1.1 × 109 ± 0.2 × 109 2.1 × 108 ± 1.2 × 108

Product analysis and cell growth were determined after 7 days of fermentation. Values report means ± standard deviations for three replicates

aValue means a significant difference between single- and co-culture (unpaired samples t test, P < 0.05). ND, not determined