Species Streptomyces demainii

Name: Streptomyces demainii Goodfellow et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: de.mai’ni.i. N.L. gen. masc. n. demainii, of Demain, named in honour of Arnold Demain, a celebrated actinomycete biologist

Pronunciation (Latin), gender: … de-MAI-ni-i, masculine

Type strain: DSM 41600; NRRL B-1478

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FJ406126 Analyse FASTA

Effective publication: Goodfellow M, Kumar Y, Labeda DP, Sembiring L. The Streptomyces violaceusniger clade: a home for Streptomycetes with rugose ornamented spores. Antonie Van Leeuwenhoek 2007; 92:173-199. 🇬🇧

IJSEM list: Euzeby JP. Validation list no. 119. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1-2.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Streptomyces hygroscopicus subsp. sporocinereus (Preobrazhenskaya 1986 ex Krassilnikov 1970) Komaki et al. 2022

Risk group: 1

Synonyms:

Name	Kind
Streptomyces sporocinereus (ex Krassilnikov 1970) Preobrazhenskaya 1986	heterotypic synonym, validly published under the ICNP
Streptomyces hygroscopicus subsp. sporocinereus (Preobrazhenskaya 1986 ex Krassilnikov 1970) Komaki et al. 2022	heterotypic synonym, validly published under the ICNP, distinct rank

Notes:
- ⏲ According to Komaki et al. (2022), this species is a later heterotypic synonym of Streptomyces sporocinereus (ex Krassilnikov 1970) Preobrazhenskaya 1986. Publication: Komaki H, Igarashi Y, Tamura T. Taxonomic Positions of a Nyuzenamide-Producer and Its Closely Related Strains. Microorganisms 2022; 10:0. 🇯🇵
- ⏲ According to Komaki et al. (2022), this species is not a later heterotypic synonym of "Actinomyces hygroscopicus" Jensen 1931. Publication: Komaki H, Igarashi Y, Tamura T. Taxonomic Positions of a Nyuzenamide-Producer and Its Closely Related Strains. Microorganisms 2022; 10:0. 🇯🇵
- ⏲ According to Komaki et al. (2022), this species is not a later heterotypic synonym of Streptomyces endus Anderson and Gottlieb 1952 (Approved Lists 1980). Publication: Komaki H, Igarashi Y, Tamura T. Taxonomic Positions of a Nyuzenamide-Producer and Its Closely Related Strains. Microorganisms 2022; 10:0. 🇯🇵
- ⏲ According to Komaki et al. (2022), this species is not a later heterotypic synonym of Streptomyces hygroscopicus (Jensen 1931) Yüntsen et al. 1956 (Approved Lists 1980). Publication: Komaki H, Igarashi Y, Tamura T. Taxonomic Positions of a Nyuzenamide-Producer and Its Closely Related Strains. Microorganisms 2022; 10:0. 🇯🇵
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Validation list no. 207. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5517.
- ❗ Streptomyces demainii 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 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 3 times in PubMed until 2025-06-04.
- 🪓 Organisms assigned to this species have previously been classified as Streptomyces violaceusniger corrig. (Waksman and Curtis 1916) Pridham et al. 1958 (Approved Lists 1980). 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. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
- 🙅 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: Goodfellow M, Kumar Y, Labeda DP, Sembiring L. The Streptomyces violaceusniger clade: a home for Streptomycetes with rugose ornamented spores. Antonie Van Leeuwenhoek 2007; 92:173-199. 🇬🇧

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Record number: 787166

This LPSN page was printed on 2026-02-11 19:47:19

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Species Streptomyces demainii