| Light | Dark |
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Electron Acceptor
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 |  | O2a | DMSOa | None |
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Succinate + NH3 | +/+b | +/- | +/- | -/- |
Succinate + Glutamate | +/+ b | +/- | +/- | -/- |
Lactate + NH3 | +/+ b | +/- | +/- | -/- |
Glutamate only | +/- | +/- | +/- | -/- |
CO2 + H2 + NH3 | +/- | -/- | -/- | -/- |
CO2 + H2 + N2 | +/- | -/- | -/- | -/- |
- * +/+ Growth and H2 production predicted; +/- Growth but no H2 production predicted; -/- No growth
- aOxygen (O2) or DMSO was used as the sole electron acceptors in simulations.
- b Succinate and lactate uptake rates were set to 3 mmol/g DW h, while the NH3 and glutamate uptake rates were set to 1 mmol/g DW h, as these are within the rate of experimentally observed uptake rates for these substrates. CO2, H2 and N2 uptake rates were set to 1 mmol/g DW h for photoautotrophic growth simulations.