Species Streptomyces sporocinereus

Name: Streptomyces sporocinereus (ex Krassilnikov 1970) Preobrazhenskaya 1986

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: spo.ro.ci.ne’re.us. Gr. fem. n. spora, a seed; L. masc. adj. cinereus, ash-colored; N.L. masc. adj. sporocinereus, ash-colored spores

Gender: masculine

Type strain: ATCC 43692; DSM 41460; INMI 32; JCM 9093; NBRC 100766; NRRL B-16376; VKM Ac-312

Conduct genome-based taxonomy at

16S rRNA gene: AB249933 Analyse FASTA

Effective publication: Gauze GF, Preobrazhenskaya TP, Sveshnikova MA, Terekhova LP, Maximova TS. A guide for the determination of actinomycetes. Genera Streptomyces, Streptoverticillium, and Chainia. Nauka, Moscow, URSS, 1983.

IJSEM list: Anonymous. Validation list no. 22. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:573-576.

Nomenclatural status: validly published under the ICNP

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

Correct name: Streptomyces hygroscopicus (Jensen 1931) Yüntsen et al. 1956 (Approved Lists 1980)

Risk group: 1

Synonyms:

Name	Kind
Streptomyces hygroscopicus subsp. sporocinereus (Preobrazhenskaya 1986 ex Krassilnikov 1970) Komaki et al. 2022	homotypic synonym, validly published under the ICNP, distinct rank
Streptomyces hygroscopicus (Jensen 1931) Yüntsen et al. 1956 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Actinomyces hygroscopicus" Jensen 1931	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces demainii Goodfellow et al. 2008	heterotypic synonym, validly published under the ICNP
Streptomyces endus Anderson and Gottlieb 1952 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

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:
- ⏲ According to Komaki et al. (2017), this species is a later heterotypic synonym of "Actinomyces hygroscopicus" Jensen 1931. Publication: Komaki H, Ichikawa N, Oguchi A, Hamada M, Tamura T, Fujita N, Suzuki KI. Genome analysis-based reclassification of Streptomyces endus and Streptomyces sporocinereus as later heterotypic synonyms of Streptomyces hygroscopicus subsp. hygroscopicus. Int J Syst Evol Microbiol 2017; 67:343-345.
- ⏲ According to Komaki et al. (2017), this species is a later heterotypic synonym of Streptomyces endus Anderson and Gottlieb 1952 (Approved Lists 1980). Publication: Komaki H, Ichikawa N, Oguchi A, Hamada M, Tamura T, Fujita N, Suzuki KI. Genome analysis-based reclassification of Streptomyces endus and Streptomyces sporocinereus as later heterotypic synonyms of Streptomyces hygroscopicus subsp. hygroscopicus. Int J Syst Evol Microbiol 2017; 67:343-345.
- ⏲ According to Komaki et al. (2017), this species is a later heterotypic synonym of Streptomyces hygroscopicus (Jensen 1931) Yüntsen et al. 1956 (Approved Lists 1980). Publication: Komaki H, Ichikawa N, Oguchi A, Hamada M, Tamura T, Fujita N, Suzuki KI. Genome analysis-based reclassification of Streptomyces endus and Streptomyces sporocinereus as later heterotypic synonyms of Streptomyces hygroscopicus subsp. hygroscopicus. Int J Syst Evol Microbiol 2017; 67:343-345.
- ⏲ 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 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.
- 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: NBRC 100776.
- ❗ Streptomyces sporocinereus 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 phylogenomic assignment score of this taxon is 0.00883 (N = 5).
- ✏ The authority of the taxon name (Preobrazhenskaya) deliberately differs from the authors of the publication (Gauze et al.).
- 😷 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 3 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.
- 🧍 On validation list no. 22, the type strain VKM Ac-312 is cited as VKM 312. — 🧍 On Validation List no. 22, the type strain VKM Ac-312 is cited as VKM 312. Publication: Anonymous. Validation list no. 22. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:573-576.
- 🧍 Names of the individuals to be credited for Streptomyces sporocinereus proposed in reference Gause et al. 1983 were supplied by T.P. Preobrazhenskaya, personal communication to the Associate Editor, IJSB. Publication: Anonymous. Validation list no. 22. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:573-576.

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

Assigned by: Gauze GF, Preobrazhenskaya TP, Sveshnikova MA, Terekhova LP, Maximova TS. A guide for the determination of actinomycetes. Genera Streptomyces, Streptoverticillium, and Chainia. Nauka, Moscow, URSS, 1983.

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Record number: 782046

This LPSN page was printed on 2025-07-19 17:11:35

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Species Streptomyces sporocinereus