Name: Nitrobacter winogradskyi Winslow et al. 1917 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: wi.no.grad’sky.i. N.L. gen. masc. n. winogradskyi, of Winogradsky, named after Winogradsky, the microbiologist who first isolated these bacteria

Gender: masculine

Type strain: ATCC 25391; CIP 104748; DSM 10237; Nb-255

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: CP000115 Analyse FASTA

Effective publication: Winslow CE, Broadhurst J, Buchanan RE, Krumwiede C, Rogers LA, Smith GH. The Families and Genera of the Bacteria: Preliminary Report of the Committee of the Society of American Bacteriologists on Characterization and Classification of Bacterial Types. J Bacteriol 1917; 2:505-566.

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 Nitrobacter Winogradsky 1892 (Approved Lists 1980). Publication: Winogradsky S. Contributions à la morphologie des organismes de la nitrification. Arkhiv Biologicheskikh Nauk (St. Petersbourg) 1892; 1:87-137.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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.
  • 🎓 Name mentioned 114 times in PubMed until 2024-03-28.

Parent taxon: Nitrobacter Winogradsky 1892 (Approved Lists 1980)

Assigned by: Winslow CE, Broadhurst J, Buchanan RE, Krumwiede C, Rogers LA, Smith GH. The Families and Genera of the Bacteria: Preliminary Report of the Committee of the Society of American Bacteriologists on Characterization and Classification of Bacterial Types. J Bacteriol 1917; 2:505-566.

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Record number: 778674