Name: Microtetraspora glauca Thiemann et al. 1968 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: glau’ca. L. fem. adj. glauca, grayish

Pronunciation, gender: GLA͡U-ka, feminine

Type strain: ATCC 23057; DSM 43311; IFO 14761; JCM 3300; NBRC 14761; NRRL B-3735; VKM Ac-663

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D85490 Analyse FASTA

Effective publication: Thiemann JE, Pagani H, Beretta G. A new genus of the Actinomycetales: Microtetraspora gen. nov. J Gen Microbiol 1968; 50:295-303.

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

Risk group: 1

• 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:
  • 🥇 Nomenclatural type of the genus Microtetraspora Thiemann et al. 1968 (Approved Lists 1980). Publication: Thiemann JE, Pagani H, Beretta G. A new genus of the Actinomycetales: Microtetraspora gen. nov. J Gen Microbiol 1968; 50:295-303.
  • 😷 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.

Parent taxon: Microtetraspora Thiemann et al. 1968 (Approved Lists 1980)

Assigned by: Thiemann JE, Pagani H, Beretta G. A new genus of the Actinomycetales: Microtetraspora gen. nov. J Gen Microbiol 1968; 50:295-303.

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Record number: 778249