Desulfovibrio

**Definition:** A genus of gram-negative, anaerobic, rod-shaped bacteria capable of reducing sulfur compounds to hydrogen sulfide. Organisms are isolated from anaerobic mud of fresh and salt water, animal intestines, manure, and feces.

**Tree numbers:** - B03.440.425.410.350 - B03.660.125.144.500.875 - B03.900.350