Name: Rhodopseudomonas capsulata corrig. (Molisch 1907) van Niel 1944 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Rhodonostoc capsulatum" Molisch 1907

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

Pronunciation (Latin), gender: r^ho-do-pse͡u-DO-mo-nas kap-su-LA-ta, feminine

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

Effective publication: van Niel CB. THE CULTURE, GENERAL PHYSIOLOGY, MORPHOLOGY, AND CLASSIFICATION OF THE NON-SULFUR PURPLE AND BROWN BACTERIA. Bacteriol Rev 1944; 8:1-118.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

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

Risk group: 1

• Synonyms:

  • Name	Kind
    "Rhodonostoc capsulatum" Molisch 1907	homotypic synonym, not validly published, basonym of name in Approved Lists
    Rhodobacter capsulatus (Molisch 1907) Imhoff et al. 1984	homotypic synonym, validly published under the ICNP
    Rhodopseudomonas capsulatus (Molisch 1907) van Niel 1944 (Approved Lists 1980)	other spelling of name, inaccurate spelling

• Notes:
  • ❗ Rhodopseudomonas capsulata is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Rhodopseudomonas.
  • 😷 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 276 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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: Rhodopseudomonas Czurda and Maresch 1937 (Approved Lists 1980)

Assigned by: van Niel CB. THE CULTURE, GENERAL PHYSIOLOGY, MORPHOLOGY, AND CLASSIFICATION OF THE NON-SULFUR PURPLE AND BROWN BACTERIA. Bacteriol Rev 1944; 8:1-118.

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Record number: 780500