Rhodocyclus purpureus

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Rhodocyclus purpureus
Scientific classification
Domain: Bacteria
Phylum: Proteobacteria
Class: Beta Proteobacteria
Order: Rhodocyclales
Family: Rhodocyclaceae
Genus: Rhodocyclus
Species: R. purpureus
Binomial name
Rhodocyclus purpureus
Pfennig, 1978

Rhodocyclus purpureus is a species of bacteria.[1] Its cells are half-ring-shaped and ring-shaped before cell division; the half-rings being 0.6 to 0.7 μm wide and 2.5 to 3.0 μm long. Open or compact coils of variable length are also formed. It is facultatively aerobic and its type strain is “Ames” 6770 (= DSM 168).


  1. ^ Pfennig, N. (1978). "Rhodocyclus purpureus gen. nov. and sp. nov., a Ring-Shaped, Vitamin B12-Requiring Member of the Family Rhodospirillaceae". International Journal of Systematic Bacteriology. 28 (2): 283–288. ISSN 0020-7713. doi:10.1099/00207713-28-2-283. 

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