Species Streptomyces violaceolatus

Name: Streptomyces violaceolatus (Krassilnikov et al. 1965) Pridham 1970 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Actinomyces violaceolatus" Krassilnikov et al. 1965

Etymology: vi.o.la.ce.o.la.tus. L. masc. adj. violaceus, violet-colored; L. masc. perf. part. latus, broad; N.L. masc. part. adj. violaceolatus, violet, broad

Gender: masculine

Type strain: ATCC 19847; ATCC 25513; CBS 655.69; DSM 40438; IFO 13101; JCM 4531; KCTC 9772; NBRC 13101; NRRL B-12371; NRRL ISP-5438; RIA 1293; VKM Ac-582

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF503497 Analyse FASTA

Effective publication: Pridham TG. New names and new combinations in the order Actinomycetales Buchanan 1917. Bulletin of the United States Department of Agriculture 1970; 1424:1-55.

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: synonym (and not recommended for medical use)

Correct name: Streptomyces violaceoruber (Waksman and Curtis 1916) Pridham 1970 (Approved Lists 1980)

Risk group: 1

Synonyms:

Name	Kind
"Actinomyces violaceolatus" Krassilnikov et al. 1965	homotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces humiferus Goodfellow et al. 1986	heterotypic synonym, validly published under the ICNP
Actinopycnidium caeruleum Krassilnikov 1962 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces violaceoruber (Waksman and Curtis 1916) Pridham 1970 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces tricolor (Wollenweber 1920) Waksman 1961 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Actinomyces coelescens" Krassilnikov et al. 1965	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces coelescens (Krassilnikov et al. 1965) Pridham 1970 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces anthocyanicus (Krassilnikov et al. 1965) Pridham 1970 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Actinomyces anthocyanicus" Krassilnikov et al. 1965	heterotypic synonym, not validly published, basonym of name in Approved Lists
"Actinomyces roseodiastaticus" Duché 1934	heterotypic synonym, not validly published, basonym of name in Approved Lists
"Actinomyces violaceusruber" Waksman and Curtis 1916	heterotypic synonym, not validly published, basonym of name in Approved Lists
"Actinomyces tricolor" Wollenweber 1920	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces roseodiastaticus (Duché 1934) Waksman 1953 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Komaki (2021), this species is a later heterotypic synonym of "Actinomyces anthocyanicus" Krassilnikov et al. 1965. Publication: Komaki H. Reclassification of 15 Streptomyces species as synonyms of Streptomyces albogriseolus, Streptomyces althioticus, Streptomyces anthocyanicus, Streptomyces calvus, Streptomyces griseoincarnatus, Streptomyces mutabilis, Streptomyces pilosus or Streptomyces rochei. Int J Syst Evol Microbiol 2019; 71:0.
- ⏲ According to Komaki (2021), this species is a later heterotypic synonym of Streptomyces humiferus Goodfellow et al. 1986. Publication: Komaki H. Reclassification of 15 Streptomyces species as synonyms of Streptomyces albogriseolus, Streptomyces althioticus, Streptomyces anthocyanicus, Streptomyces calvus, Streptomyces griseoincarnatus, Streptomyces mutabilis, Streptomyces pilosus or Streptomyces rochei. Int. J. Syst. Evol. Microbiol. 2021; 71:4718.
- ⏲ According to Komaki (2021), this species is a later heterotypic synonym of Streptomyces anthocyanicus (Krassilnikov et al. 1965) Pridham 1970 (Approved Lists 1980). Publication: Komaki H. Reclassification of 15 Streptomyces species as synonyms of Streptomyces albogriseolus, Streptomyces althioticus, Streptomyces anthocyanicus, Streptomyces calvus, Streptomyces griseoincarnatus, Streptomyces mutabilis, Streptomyces pilosus or Streptomyces rochei. Int J Syst Evol Microbiol 2019; 71:0.
- ⏲ According to Komaki (2021), this species is a later heterotypic synonym of Actinopycnidium caeruleum Krassilnikov 1962 (Approved Lists 1980). Publication: Komaki H. Reclassification of 15 Streptomyces species as synonyms of Streptomyces albogriseolus, Streptomyces althioticus, Streptomyces anthocyanicus, Streptomyces calvus, Streptomyces griseoincarnatus, Streptomyces mutabilis, Streptomyces pilosus or Streptomyces rochei. Int. J. Syst. Evol. Microbiol. 2021; 71:4718.
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 3 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4812.
- ❗ Streptomyces violaceolatus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Streptomyces.
- 😷 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. — 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 2 times in PubMed until 2025-06-04.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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: Pridham TG. New names and new combinations in the order Actinomycetales Buchanan 1917. Bulletin of the United States Department of Agriculture 1970; 1424:1-55.

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Record number: 782108

This LPSN page was printed on 2025-06-18 18:18:38

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Species Streptomyces violaceolatus