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Table 2 Maximum (calculated from model) and experimentally determined yields for the growth of M. maripaludis, M. barkeri, and D. vulgaris on different substrates

From: Predicting compositions of microbial communities from stoichiometric models with applications for the biogas process

Organism

Substrate

Max. methane yield (model)

(mol/mol)

Max. ATP yield (model)

(mol/mol)

Max. biomass yield (model)

(gDW/mol)

Max. biomass yield per methane produced (model)

(gDW/mol)

Max. biomass yield (literature data)

(gDW/mol)

ATPmaint (literature data)

[mmol/(gDW h)]

References

M. barkeri

Acetate

1

1.25

11.71

17.5

9.15

3.6

[50–52]

Methanol

0.75

0.625

5.14

16.3

5.95

1.4

[50–53]

CO2 + H2

1

1.5

9.73

8.2

–

–

 

M. maripaludis

Formate

0.25

0.125

1.32

6.0

1.45

0.9

[54]

CO2 + H2

1

0.5

4.78

6.0

–

–

 

D. vulgaris

Acetate + H2 + sulfate

–

1

12.1

 

12.2

5.5

[29, 39]

12.7

1.8; 5.6

 
  1. In addition, the ATPmaint coefficient calculated from the respective experiment is shown. The yields refer to the used substrate (in case of CO2 + H2, the yield refers to CO2). Note that the maximum biomass yields (model and experimental) refer to the (true) biomass yields, i.e., substrate consumption required for ATP maintenance is excluded when calculating the yield
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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