Query: NC_014844:2158318 Desulfovibrio aespoeensis Aspo-2 chromosome, complete genome Lineage: Desulfovibrio aespoeensis; Desulfovibrio; Desulfovibrionaceae; Desulfovibrionales; Proteobacteria; Bacteria 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.
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General Information: This symbiotic and thermophilic bacterium was discovered by screening for thermostable tryptanophases in Japanese compost. Cultured growth of this organism requires the presence of another bacterial species, such as a Bacillus or Escherichia coli, which provides diffusable metabolites required for its growth. Pure cultures can be obtained by growing Symbiobacterium thermophilum in a bioreactor, separated from its symbiotic counterpart by a dialysis membrane. Because of its symbiotic nature, it cannot be cultured with conventional methods. Despite a negative reaction for gram stain, this species is placed with the gram-positive bacteria based on 16s phylogenetic analysis.