Species ***Streptomyces* *thermoviolaceus***

Name: Streptomyces thermoviolaceus Henssen 1957 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ther.mo.vi.o.la’ce.us. Gr. fem. adj. thermê, heat; L. masc. adj. violaceus, violet-coloured; N.L. masc. adj. thermoviolaceus, heat(-loving), violet-coloured (soluble pigment)

Pronunciation (Latin), gender: strep-TO-my-kes t^her-mo-wi-o-LA-ke-us, masculine

Type strain: ATCC 19283; BCRC 12493; BCRC 12639; CBS 278.66; CBS 688.72; CCRC 12493; CCRC 12639; CGMCC 4.1471; DSM 40443; HAMBI 1006; HUT 6604; IFO 13905; IMET 43353; JCM 4337; JCM 4843; LMG 14943; LMG 19359; NBRC 13905; NCIB 10076; NCIMB 10076; NRRL B-12374; NRRL ISP-5443; RIA 1348; VKM Ac-1857

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Z68096 Analyse FASTA

Effective publication: Henssen A. [Morphology and system of thermophilic actinomycetes]. Arch Mikrobiol 1957; 26:373-414.

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:
- Goodfellow et al. 1987 Goodfellow M, Lacey J, Todd C. Numerical classification of thermophilic Streptomycetes. J. Gen. Microbiol. 1987; 133:3135-3149. 🇬🇧
  Notes:
  - 🧍 As of 2023-09-04 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

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". — 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 49 times in PubMed until 2026-06-11.
- 🙆 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.
- 🧍 Results from DNA - DNA relatedness studies support the taxonomic integrity of Streptomyces thermoviolaceus Henssen 1957 (Approved Lists 1980). Publication: Kim B, Sahin N, Minnikin DE, Zakrzewska-Czerwinska J, Mordarski M, Goodfellow M. Classification of thermophilic streptomycetes, including the description of Streptomyces thermoalcalitolerans sp. nov. Int J Syst Bacteriol 1999; 49:7-17. 🇬🇧

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
Streptomyces thermoviolaceus subsp. apingens Henssen 1957 (Approved Lists 1980)	validly published under the ICNP	correct name
Streptomyces thermoviolaceus subsp. thermoviolaceus Henssen 1957 (Approved Lists 1980)	validly published under the ICNP	correct name

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

Assigned by: Henssen A. [Morphology and system of thermophilic actinomycetes]. Arch Mikrobiol 1957; 26:373-414.

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Record number: 785018

This LPSN page was printed on 2026-08-18 07:40:33

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Species Streptomyces thermoviolaceus

Species ***Streptomyces* *thermoviolaceus***