Species ***Streptomyces* *umbrinus***

Name: Streptomyces umbrinus (Sveshnikova 1957) Pridham et al. 1958 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Actinomyces umbrinus" Sveshnikova 1957

Etymology: um.bri.nus. N.L. masc. adj. umbrinus, wood brown, the color of the aerial mycelium

Gender: masculine

Type strain: ATCC 19929; ATCC 25503; CBS 645.69; DSM 40278; IFO 13091; INA 1703; INA 1703/53; JCM 4521; NBRC 13091; NRRL B-2572; NRRL ISP-5278; RIA 1283; VKM Ac-1747

Conduct genome-based taxonomy at

16S rRNA gene: AB184305 Analyse FASTA

Effective publication: Pridham TG, Hesseltine CW, Benedict RG. A guide for the classification of streptomycetes according to selected groups; placement of strains in morphological sections. Appl Microbiol 1958; 6:52-79.

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

Synonyms:

Name	Kind
"Actinomyces umbrinus" Sveshnikova 1957	homotypic synonym, not validly published, basonym of name in Approved Lists

Emendations:
- Saygin 2021 Saygin H. Genomic insight into the Streptomyces aurantiacus clade: reclassification of Streptomyces ederensis as a later heterotypic synonym of Streptomyces umbrinus and Streptomyces glomeroaurantiacus as a later heterotypic synonym of Streptomyces aurantiacus. Int J Syst Evol Microbiol 2021; 71:4797. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 5 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4907.
  Notes:
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Saygin (2021), this species is an earlier heterotypic synonym of Streptomyces ederensis Wallhäusser et al. 1966 (Approved Lists 1980). Publication: Saygin H. Genomic insight into the Streptomyces aurantiacus clade: reclassification of Streptomyces ederensis as a later heterotypic synonym of Streptomyces umbrinus and Streptomyces glomeroaurantiacus as a later heterotypic synonym of Streptomyces aurantiacus. Int J Syst Evol Microbiol 2021; 71:4797.
- 🏢 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 5 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4907.
- 😷 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 4 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: Pridham TG, Hesseltine CW, Benedict RG. A guide for the classification of streptomycetes according to selected groups; placement of strains in morphological sections. Appl Microbiol 1958; 6:52-79.

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Record number: 782092

This LPSN page was printed on 2025-06-21 22:44:21

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Species Streptomyces umbrinus

Species ***Streptomyces* *umbrinus***