. 2005 Nov;71(11):6664–6672. doi: 10.1128/AEM.71.11.6664-6672.2005

TABLE 1.

Electron donor/acceptor combinations used in the enrichment experiments^a

Electron acceptor	Use^b with the following electron donor:
Electron acceptor	Na₂S	Na₂S₂O₃	NH₄Cl	MnCl₂ · 4H₂O	FeCl₂	CH₃OH	C₆H₁₂O₆^c
MnO₂		×	×		×	×	×
FeCl₃ · 6H₂O		×	×			×	×
KNO₃	×	×	×	×	×	×	×
KNO₂			×

The concentration of all components was 100 μmol liter⁻¹, except MnO₂, which was at 83.5 μmol liter⁻¹.

×, used in combination.

Stimulation of heterotrophic CO₂ fixation.