Name: Rhodobacter capsulatus (Molisch 1907) Imhoff et al. 1984

Category: Species

Proposed as: comb. nov.

Basonym: "Rhodonostoc capsulatum" Molisch 1907

Etymology: cap.su.la’tus. L. fem. dim. n. capsula, a small box or chest; L. masc. adj. suff. -atus, suffix denoting provided with; N.L. masc. adj. capsulatus, with a chest, capsuled

Pronunciation (Latin), gender: … kap-su-LA-tus, masculine

Type strain: ATCC 11166; CCUG 31484; CIP 104408; DSM 1710; IFO 16435; JCM 21090; LMG 2962; NBRC 16435

Conduct genome-based taxonomy at

16S rRNA gene: D16428 Analyse FASTA

Valid publication: Imhoff JF, Trüper HG, Pfennig N. Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol. 1984; 34:340-343. 🇩🇪

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    "Rhodonostoc capsulatum" Molisch 1907	homotypic synonym, not validly published, basonym of name in Approved Lists
    Rhodopseudomonas capsulatus (Molisch 1907) van Niel 1944 (Approved Lists 1980)	homotypic synonym, inaccurate spelling
    Rhodopseudomonas capsulata corrig. (Molisch 1907) van Niel 1944 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Rhodobacter Imhoff et al. 1984. Publication: Imhoff JF, Trüper HG, Pfennig N. Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol. 1984; 34:340-343. 🇩🇪
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 1483 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.

Parent taxon: Rhodobacter Imhoff et al. 1984

Assigned by: Imhoff JF, Trüper HG, Pfennig N. Rearrangement of the species and genera of the phototrophic "purple nonsulfur bacteria". Int. J. Syst. Bacteriol. 1984; 34:340-343. 🇩🇪

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Record number: 780422