Name: Nitrosococcus Winogradsky 1892 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Ni.tro.so.coc’cus. L. masc. adj. nitrosus, full of natron, here intended to mean nitrous; N.L. masc. n. coccus, coccus, sphere; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Nitrosococcus, nitrous sphere

Gender: masculine

Type species: Nitrosococcus nitrosus (Migula 1900) Buchanan 1925 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Winogradsky S. Contributions à la morphologie des organismes de la nitrification. Arkhiv Biologicheskikh Nauk (St. Petersbourg) 1892; 1:87-137.

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, conserved name

Taxonomic status: correct name

• Emendations:
  • Watson 1971 Watson SW. Taxonomic considerations of the family Nitrobacteriaceae Buchanan. Requests for opinions. International Journal of Systematic Bacteriology 1971; 21:254-270.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
    • As of 2020-09-20 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.
  • Wang et al. 2016 Wang L, Lim CK, Dang H, Hanson TE, Klotz MG. D1FHS, the Type Strain of the Ammonia-Oxidizing Bacterium Nitrosococcus wardiae spec. nov.: Enrichment, Isolation, Phylogenetic, and Growth Physiological Characterization. Front Microbiol 2016; 7:512. Oren A, Garrity GM. List of changes in taxonomic opinion no. 25. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:7-8.

• 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.
  • Kluyver and Van Niel (1936) assigned this genus to the tribe "Micrococceae". Publication: Kluyver AJ, Van Niel CB. Prospects for a natural system of classification of bacteria. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung II 1936; 94:369-403.
  • The type species of this genus has alternatively been placed in the genus Micrococcus Cohn 1872 (Approved Lists 1980). Publication: Migula W. System der Bakterien, Vol. 2. Gustav Fischer, Jena, 1900.
  • Conserved name (Judicial Opinion 23). Conservation not against another name but with a new circumscription, establishing Nitrosococcus nitrosus (Migula) Buchanan 192 as nomenclatural type. Publication: Anonymous. Judicial Opinion No. 23. Int J Syst Bacteriol 1958; 8:169-170.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Nitrosococcus halophilus" Campbell et al. 2011	not validly published
    "Nitrosococcus mobilis" Koops et al. 1976	not validly published
    Nitrosococcus nitrosus (Migula 1900) Buchanan 1925 (Approved Lists 1980)	validly published under the ICNP	correct name
    Nitrosococcus oceani corrig. (Watson 1965) Watson 1971 (Approved Lists 1980)	validly published under the ICNP	correct name
    Nitrosococcus oceanus (Watson 1965) Watson 1971 (Approved Lists 1980)	orthographic variant	misspelling
    "Nitrosococcus wardiae" Wang et al. 2016	not validly published
    "Nitrosococcus watsonii" Campbell et al. 2011	not validly published

Parent taxon: Chromatiaceae Bavendamm 1924 (Approved Lists 1980)

Assigned by: Campbell MA, Chain PS, Dang H, El Sheikh AF, Norton JM, Ward NL, Ward BB, Klotz MG. Nitrosococcus watsonii sp. nov., a new species of marine obligate ammonia-oxidizing bacteria that is not omnipresent in the world's oceans: calls to validate the names 'Nitrosococcus halophilus' and 'Nitrosomonas mobilis'. FEMS Microbiol Ecol 2011; 76:39-48.

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Record number: 517296