Name: Nitrosospira Winogradsky and Winogradsky 1933 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Ni.tro.so.spi’ra. L. masc. adj. nitrosus, full of natron, here intended to mean nitrous; Gr. fem. n. speîra, a coil, spiral; N.L. fem. n. Nitrosospira, nitrous spiral

Gender, pronunciation (Latin): feminine (stem: Nitrosospir-), ni-tro-so-SPI-ra

Type species: Nitrosospira briensis Winogradsky and Winogradsky 1933 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Winogradsky S, Winogradsky H. Études sur la microbiologie du sol. VII. Nouvelles recherches sur les organismes de la nitrification. Annales de l'Institut Pasteur (Paris) 1933; 50:350-434.

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

• Synonyms:

  • Name	Kind
    Nitrosolobus Watson et al. 1971 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Head et al. 1993 Head IM, Hiorns WD, Embley TM, McCarthy AJ, Saunders JR. The phylogeny of autotrophic ammonia-oxidizing bacteria as determined by analysis of 16S ribosomal RNA gene sequences. J Gen Microbiol 1993; 139:1147-1153. 🇬🇧
    Notes:
    • ⊕ Emendation accompanied by the proposal of 2 new species in the genus.
    • 🧍 As of 2025-03-20 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion. — 🧍 Validation list no. 54 does not mention the emendation proposed by Head et al.

• Notes:
  • 🧕 Breed et al. (1948) assigned this genus to the tribe "Nitrobactereae". Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • 🧕 Breed et al. (1957) assigned this genus to the family Nitrobacteraceae corrig. Buchanan 1917 (Approved Lists 1980). Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Nitrosaspira"; "Nitrosnspira"; "Nitrososprra"; "Nitrosospua".
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 2; NCIMB: 1; DSM: 1; LMG: 1.
  • 😷 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". — 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "NOSP" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Nitrosospira antarctica" Winogradsky and Winogradsky 1933	not validly published	preferred name
    Nitrosospira briensis Winogradsky and Winogradsky 1933 (Approved Lists 1980)	validly published under the ICNP	correct name
    Nitrosospira lacus Urakawa et al. 2015	validly published under the ICNP	correct name
    Nitrosospira multiformis (Watson et al. 1971) Head et al. 1995	validly published under the ICNP	correct name
    Nitrosospira tenuis (ex Harms et al. 1976) Head et al. 1995	validly published under the ICNP	correct name

Parent taxon: Nitrosomonadaceae Garrity et al. 2006

Assigned by: Garrity GM, Bell JA, Lilburn T. Family I. Nitrosomonadaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 864. 🇺🇸

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Record number: 517298