Name: Rhodomicrobium vannielii Duchow and Douglas 1949 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: van.nie’li.i. N.L. gen. masc. n. vannielii, of van Niel, named for C.B. van Niel, an American microbiologist

Pronunciation, gender: wan-NIE-li-i, neuter

Type strain: ATCC 17100; DSM 162; LMG 4299

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FN666247 Analyse FASTA

Effective publication: Duchow E, Douglas HC. RHODOMICROBIUM VANNIELII, A NEW PHOTOHETEROTROPHIC BACTERIUM. J Bacteriol 1949; 58:409-416.

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: correct name

Risk group: 1

• 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 Rhodomicrobium Duchow and Douglas 1949 (Approved Lists 1980). Publication: Duchow E, Douglas HC. RHODOMICROBIUM VANNIELII, A NEW PHOTOHETEROTROPHIC BACTERIUM. J Bacteriol 1949; 58:409-416.
  • 😷 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 56 times in PubMed until 2025-06-04.

Parent taxon: Rhodomicrobium Duchow and Douglas 1949 (Approved Lists 1980)

Assigned by: Duchow E, Douglas HC. RHODOMICROBIUM VANNIELII, A NEW PHOTOHETEROTROPHIC BACTERIUM. J Bacteriol 1949; 58:409-416.

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Record number: 780489