Name: Microtetraspora polychroma (Galatenko et al. 1987) Kroppenstedt et al. 1991

Category: Species

Proposed as: comb. nov.

Basonym: Actinomadura polychroma Galatenko et al. 1987

Etymology: po.ly.chro’ma. Gr. masc. adj. polys, many; Gr. neut. n. chrôma, color; N.L. neut. n. polychroma, intended to mean that the bacterium produces many colors (nominative in apposition)

Pronunciation, gender: … po-ly-K^HRO-ma, feminine

Type strain: ATCC 49500; DSM 43925; IFO 14345; IMET 9743; INA 2755; JCM 6834; KCTC 9277; NBRC 14345; NRRL B-16243; VKM Ac-1084

Conduct genome-based taxonomy at

16S rRNA gene: U48977 Analyse FASTA

Effective publication: Kroppenstedt RM, Stackebrandt E, Goodfellow M. Taxonomic revision of the actinomycete genera Actinomadura and Microtetraspora. Syst. Appl. Microbiol. 1990; 13:148-160. 🇩🇪

IJSEM list: Anonymous. Validation list no. 36. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:178-179.

Nomenclatural status: validly published under the ICNP

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

Correct name: Nonomuraea polychroma corrig. (Galatenko et al. 1987) Zhang et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Nonomuraea polychroma corrig. (Galatenko et al. 1987) Zhang et al. 1998	homotypic synonym, validly published under the ICNP
    Nonomuria polychroma (Galatenko et al. 1987) Zhang et al. 1998	homotypic synonym, inaccurate spelling
    Actinomadura polychroma Galatenko et al. 1987	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Microtetraspora polychroma 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 Microtetraspora.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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: Microtetraspora Thiemann et al. 1968 (Approved Lists 1980)

Assigned by: Kroppenstedt RM, Stackebrandt E, Goodfellow M. Taxonomic revision of the actinomycete genera Actinomadura and Microtetraspora. Syst. Appl. Microbiol. 1990; 13:148-160. 🇩🇪

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Record number: 778253