Species ***Streptomyces* *azureus***

Name: Streptomyces azureus Kelly et al. 1959 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: a.zu’re.us. N.L. masc. adj. azureus, azure-blue, referring to the color of the aerial mycelium of the organism

Gender: masculine

Type strain: ATCC 14921; ATCC 19728; BCRC 12479; CBS 467.68; CCRC 12479; CGMCC 4.1675; DSM 40106; IFO 12744; IMET 43765; JCM 4564; NBRC 12744; NRRL B-2655; NRRL ISP-5106; PCM 2313; RIA 1009; UNIQEM 122; VKM Ac-719

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF178674 Analyse FASTA

Effective publication: Kelly J, Kutscher AH, Tuoti F. Thiostrepton, a new antibiotic: tube dilution sensitivity studies. Oral Surgery, Oral Medicine and Oral Pathology 1959; 12:1334-1339.

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 (and explicitly recommended for medical use)

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 = "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. — 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 31 times in PubMed until 2025-06-04.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Streptomyces Waksman and Henrici 1943 (Approved Lists 1980)

Assigned by: Kelly J, Kutscher AH, Tuoti F. Thiostrepton, a new antibiotic: tube dilution sensitivity studies. Oral Surgery, Oral Medicine and Oral Pathology 1959; 12:1334-1339.

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Record number: 781486

This LPSN page was printed on 2026-01-18 04:49:17

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Species Streptomyces azureus

Species ***Streptomyces* *azureus***