rhodocyclus tenuis rhodocyclus tenuis rhodocyclus tenuis is a bacterium from the genus of rhodocyclus. rhodocyclus tenuis expresses the high potential iron-sulfur protein (hipip). rhodocyclus tenuis scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: rhodocyclus species: r. tenuis binomial name rhodocyclus tenuisimhoff et al. 1984 type strain atcc 19134, atcc 25093, cect 5770, dsm 109, dsmz 109, lmg 4367, lmg 7825, nbrc 102472, ncimb 13340, pfennig 2761, smg 109 synonyms rhodospirillum tenue