General Information: Country: Sweden; Environment: Animal intestinal microflora, Fresh water; Isolation: Granitic rock aquifer at 600 m depth; Temp: Mesophile; Temp: 30C. Desulfovibrio aespoeensis Aspo-2 is a halotolerant, sulfate-reducing Gram-negative bacterium isolated from granitic groundwater sampled at a depth of 600 m at Aspo hard rock laboratory, Sweden.