Name: Microellobosporia cinerea Cross et al. 1963 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ci.ne’re.a. L. fem. adj. cinerea, ash-colored

Pronunciation, gender: ki-NE-re-a, feminine

Type strain: ATCC 15840; BCRC 11616; CBS 356.67; CCRC 11616; CGMCC 4.1672; DSM 43033; IFM 1137; IFM 1237; IFO 12247; IMET 43557; JCM 3040; KCC 3040; KCC A-40; KCTC 9066; NBRC 12247; NCIB 9586; NCIMB 9586; NRRL B-2909; VKM Ac-812

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB184072 Analyse FASTA

Effective publication: Cross T, Lechevalier MP, Lechevalier HA. A new genus of the Actinomycetales: Microellobosporia gen. nov. Journal of General Microbiology 1963; 31:421-429.

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 cinereus (Cross et al. 1963) Goodfellow et al. 1986

Risk group: 1

• Synonyms:

  • Name	Kind
    Streptomyces cinereus (Cross et al. 1963) Goodfellow et al. 1986	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Microellobosporia Cross et al. 1963 (Approved Lists 1980). Publication: Cross T, Lechevalier MP, Lechevalier HA. A new genus of the Actinomycetales: Microellobosporia gen. nov. Journal of General Microbiology 1963; 31:421-429.
  • ❗ Microellobosporia cinerea 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 Microellobosporia.
  • 😷 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 0 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: Microellobosporia Cross et al. 1963 (Approved Lists 1980)

Assigned by: Cross T, Lechevalier MP, Lechevalier HA. A new genus of the Actinomycetales: Microellobosporia gen. nov. Journal of General Microbiology 1963; 31:421-429.

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Record number: 778147