Genus Rhodocyclus
Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow (→) only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).
Number of species, including synonyms, cited in this file: 3
Number of subspecies, including synonyms, cited in this file: 0
Classification (Warning: see also the file "Classification of prokaryotes: Introduction").
For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).
Rhodocyclus Pfennig 1978, genus. (Type order of the genus ¤ Rhodocyclales Garrity et al. 2006; type genus of the family ¤ Rhodocyclaceae Garrity et al. 2006).
Type species: ¤ Rhodocyclus purpureus Pfennig 1978 (Approved Lists 1980).
Recommended three-letter abbreviation: Rcy. (see the file ¤ "Three-letter code for abbreviations of generic names").
Etymology: Gr. n. rhodon, the rose; L. masc. n. cyclus, a circle; N.L. masc. n. Rhodocyclus, red circle.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: PFENNIG (N.): Rhodocyclus purpureus gen. nov. and sp. nov., a ring-shaped, vitamin B12-requiring member of the family Rhodospirillaceae. International Journal of Systematic Bacteriology, 1978, 28, 283-288.
→ Rhodocyclus Pfennig 1978 (Approved Lists 1980) emend. Imhoff et al. 1984.
Reference: IMHOFF (J.F.), TRÜPER (H.G.) and PFENNIG (N.): Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol., 1984, 34, 340-343.
Original article in IJSEM Online
Rhodocyclus gelatinosus (Molisch 1907) Imhoff et al. 1984, comb. nov.
Type strain: (see also Global Catalogue of Microorganisms) ATCC 17011= CCUG 15841 = CCUG 21977 = CCUG 21990 = CIP 107072 = DSM 1709 = IFO (now NBRC) 16663 = LMG 4311 = NCIB (now NCIMB) 8290.
Sequence accession no. (16S rRNA gene) for the type strain: D16213.
Basonym: ¤ Rhodopseudomonas gelatinosa (Molisch 1907) van Niel 1944 (Approved Lists 1980).
Other synonym: "Rhodocystis gelatinosa" Molisch 1907.
Etymology: N.L. n. gelatinum (from L. part. adj. gelatus, frozen), gelatin; L. suff. -osus -a -um, suffix used with the sense of full of, prone to; N.L. masc. adj. gelatinosus, gelatinous.
Valid publication: IMHOFF (J.F.), TRÜPER (H.G.) and PFENNIG (N.): Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol., 1984, 34, 340-343.
Original article in IJSEM Online
→ ¤ Rubrivivax gelatinosus (Molisch 1907) Willems et al. 1991, comb. nov.
Rhodocyclus purpureus Pfennig 1978, species. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) DSM 168 = LMG 7759.
Sequence accession no. (16S rRNA gene) for the type strain: M34132.
Etymology: L. masc. adj. purpureus, purple-colored, purple, violet.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: PFENNIG (N.): Rhodocyclus purpureus gen. nov. and sp. nov., a ring-shaped, vitamin B12-requiring member of the family Rhodospirillaceae. International Journal of Systematic Bacteriology, 1978, 28, 283-288.
Rhodocyclus tenuis (Pfennig 1969) Imhoff et al. 1984, comb. nov.
Type strain: (see also Global Catalogue of Microorganisms) ATCC 25093= DSM 109 = LMG 4367 = NBRC 102472.
Sequence accession no. (16S rRNA gene) for the type strain: D16208.
Basonym: ¤ Rhodospirillum tenue Pfennig 1969 (Approved Lists 1980).
Etymology: L. masc. adj. tenuis, slender, thin.
Valid publication: IMHOFF (J.F.), TRÜPER (H.G.) and PFENNIG (N.): Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol., 1984, 34, 340-343.
Original article in IJSEM Online