[Hydrogen and carboxide bacteria belonging to the microflora of degradation]

The following bacteria oxidizing hydrogen and/or carbon monoxide were shown by cultivating in the concentration gradient of acetate, lactate, and glucose, to belong to the microflora of dispersal: Hydrogenomonas eutropha Z-1, H. pantotropha Z-11, Pseudomonas carboxydoflava Z-1107, Achromobacter carboxydus Z-1171, Paracoccus denitrificans, and Alcaligenes paradoxus.