Table 4

Theoretical ranges of hydrogen yields for photoheterotrophic growth on different substrates and with different genetic modifications.

Substrate

ΔRubisco

ΔRubisco, +oxPPP/+oxTCA

max YH2


Succinate

1.38

1.38 - 7

7 (1.75)

Malate

0.38

0.38 - 6

6 (1.5)

Propionate

1.38

1.38 - 7

7 (2.33)

Fructose

0.75

0.75 - 12

12 (2)

Acetate (Glyox)

0.51 - 4

0.51 - 4

4 (2)

Acetate (EMCoA)

0-4

0-4

4 (2)


ΔRubisco: RubisCO knockout, +oxPPP/+oxTCA: activated oxidative pentose phosphate pathway/activated oxidative TCA. Yields are given as mole hydrogen per mole substrate, yields in parentheses (last column) are given as mole hydrogen per mole carbon.

Hädicke et al. BMC Systems Biology 2011 5:150   doi:10.1186/1752-0509-5-150

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