Name: Streptosporangium amethystogenes Nonomura and Ohara 1960 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: a.me.thys.to’ge.nes. L. masc. adj. amethystinus, violet colored, amethyst colored; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. neut. part. adj. amethystogenes, producing violet-colored (crystals)

Pronunciation (Latin), gender: strep-to-spor-an-GI-um a-me-t^hys-TO-ge-nes, neuter

Type strain: ATCC 33327; DSM 43179; IFO 13986; JCM 3026; KCC A-26; NBRC 13986; NRRL B-2639; VKM Ac-637

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X89935 Analyse FASTA

Effective publication: Nonomura H, Ohara Y. Distribution of the actinomycetes in soil. IV. The isolation and classification of the genus Streptosporangium. Journal of Fermentation Technology 1960; 38:405-409.

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:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 😷 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. — 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 2026-06-11.
  • 🧍 On the Approved Lists 1980, the type strain KCC A-0026 is incorrectly cited as KCC A-2006 (sic). Publication: Hill LR, Skerman VBD, Sneath PHA. Corrigenda to the Approved Lists of Bacterial Names edited for the International Committee on Systematic Bacteriology. Int. J. Syst. Bacteriol. 1984; 34:508-511. 🇬🇧

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: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Streptosporangium amethystogenes subsp. amethystogenes (Nonomura and Ohara 1960) Iinuma et al. 1996	validly published under the ICNP	correct name
    Streptosporangium amethystogenes subsp. fukuiense Iinuma et al. 1996	validly published under the ICNP	correct name

Parent taxon: Streptosporangium Couch 1955 (Approved Lists 1980)

Assigned by: Nonomura H, Ohara Y. Distribution of the actinomycetes in soil. IV. The isolation and classification of the genus Streptosporangium. Journal of Fermentation Technology 1960; 38:405-409.

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Record number: 782151