TABLE 2.
Cell-specific sulfate reduction rates and fractionation factors of investigated sulfate-reducing prokaryotes
| Microorganisma | Isolated from: | Electron donor (mM) | csSRR (fmol cell−1 day−1) | ɛ (‰) |
|---|---|---|---|---|
| Complete oxidizing | ||||
| Desulfonema magnum | Marine mud | Benzoate (3) | 5.9 | 42.0 |
| Desulfobacula phenolica | Marine mud | Benzoate (3) | 125.0 | 36.7 |
| Desulfobacterium autotrophicum | Marine mud | Butyrate (20) | 64.8 | 32.7 |
| Desulfobacula toluolica | Marine mud | Benzoate (3) | 40.3 | 28.5 |
| Desulfotomaculum gibsoniae | Freshwater mud | Butyrate (20) | 13.0 | 27.8 |
| Desulfospira joergensenii | Marine mud | Pyruvate (20) | 0.9 | 25.7 |
| “Desulfarculus baarsii” | Lake mud | Butyrate (20) | 11.5 | 23.2 |
| Desulfotignum balticum | Marine mud | Butyrate (20) | 4.2 | 23.1 |
| Desulfofrigus oceanense | Arctic sediment | Acetate (20) | 7.6 | 22.0 |
| Desulfobacter sp. ASv20 | Arctic sediment | Acetate (20) | 6.6 | 18.8 |
| Desulfobacca acetoxidans | Anaerobic sludge | Acetate (20) | 17.0 | 18.0 |
| Desulfococcus sp. | Marine mud | Pyruvate (20) | 41.8 | 16.1 |
| Desulfosarcina variabilis | Marine mud | Benzoate (3) | 11.1 | 15.0 |
| Incomplete oxidizing | ||||
| Desulfonatronum lacustre∗ | Alkaline lake mud | Ethanol (20) | 16.2 | 18.7 |
| Archaeoglobus fulgidus strain Z∗ | Submarine hot spring | Lactate (20) | 63.8 | 17.0 |
| Thermodesulfovibrio yellowstonii | Thermal vent water | Lactate (20) | 24.0 | 17.0 |
| “Desulfobotulus sapovorans” | Freshwater mud | Lactate (20) | 26.0 | 16.5 |
| Desulfotomaculum thermocisternum∗ | Oil reservoir | Lactate (20) | 310.0 | 15.0 |
| Desulfomicrobium baculatum | Manganese ore | Lactate (20) | 4.8 | 12.7 |
| Desulfotomaculum geothermicum∗ | Aquifer | Lactate (20) | 8.1 | 12.5 |
| Desulfohalobium redbaense | Saline sediment | Lactate (20) | 434.0 | 10.6 |
| Desulfocella halophila | Great salt lake | Pyruvate (20) | 10.2 | 8.1 |
| Desulfobulbus “marinus” | Marine mud | Propionate (20) | 28.9 | 6.8 |
| Desulfotalea arctica | Arctic sediment | Lactate (20) | 4.2 | 6.1 |
| Desulfobulbus elongatus | Digester | Propionate (20) | 35.3 | 5.5 |
| Desulfovibrio sp. strain X | Hydrothermal vent | Lactate (20) | 36.0 | 5.4 |
| Thermodesulfobacterium commune | Thermal spring | Lactate (20) | 45.4 | 5.0 |
| “Desulfovibrio oxyclinae” | Hypersaline mat | Lactate (20) | 69.1 | 4.5 |
| Desulfotalea psychrophila | Arctic sediment | Lactate (20) | 6.3 | 4.3 |
| Desulfovibrio profundus | Deep sea sediment | Lactate (20) | 17.0 | 4.1 |
| Desulfovibrio halophilus | Hypersaline microbial mat | Lactate (20) | 33.1 | 2.0 |
| Hydrogen and formate | ||||
| Desulfobacterium autotrophicum | Marine mud | H2 (105 Pa) | 34.8 | 14.0 |
| Desulfonatronovibrio hydrogenovorans | Lake mud | Formate (20) | 12.7 | 5.5 |
a
Under experimental conditions, strains followed by an asterisk are considered incomplete oxidizers.