Name: Rhodopseudomonas sulfidophila Hansen and Veldkamp 1973 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: sul.fi.do’phi.la. N.L. neut. n. sulfidum, sulfide; N.L. fem. adj. suff. -phila, friend, loving; from Gr. fem. adj. philê, loving; N.L. fem. adj. sulfidophila, sulfide loving

Pronunciation, gender: sul-fi-DO-p^hi-la, feminine

Type strain: ATCC 35886; DSM 1374; Hansen W4; LMG 5201

Conduct genome-based taxonomy at

16S rRNA gene: D16423 Analyse FASTA

Effective publication: Hansen TA, Veldkamp H. Rhodopseudomonas sulfidophila, nov. spec., a new species of the purple nonsulfur bacteria. Arch Mikrobiol 1973; 92:45-58.

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: Rhodovulum sulfidophilum (Hansen and Veldkamp 1973) Hiraishi and Ueda 1994

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodobacter sulfidophilus (Hansen and Veldkamp 1973) Imhoff et al. 1984	homotypic synonym, validly published under the ICNP
    Rhodovulum sulfidophilum (Hansen and Veldkamp 1973) Hiraishi and Ueda 1994	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Rhodopseudomonas sulfidophila 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 5 times in PubMed until 2025-06-04.
  • 🙅 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: Hansen TA, Veldkamp H. Rhodopseudomonas sulfidophila, nov. spec., a new species of the purple nonsulfur bacteria. Arch Mikrobiol 1973; 92:45-58.

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Record number: 780512