title: Deoxyribonucleic acid homologies of some so-called "Hydrogenomonas" species.
abstract: Evidence based on deoxyribonucleic acid homology supports the abandonment of the genus Hydrogenomonas. Pseudomonas facilis (formerly Hydrogenomonas facilis) is closely related to the nonautotrophic species P. delafieldii. P. facilis and Alcaligenes eutrophus (often called H. eutropha) are not related to each other or to other hydrogen bacteria and pseudomonads studied.
mesh_terms: D000421:Alcaligenes / Q000032:analysis / Q000145:classification*; D002247:Carbon Isotopes; D003596:Cytosine / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis*; D006147:Guanine / Q000032:analysis; D009693:Nucleic Acid Hybridization; D011549:Pseudomonas / Q000032:analysis / Q000145:classification*
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D006147:Guanine; D003596:Cytosine