Species Microbispora amethystogenes

Name: Microbispora amethystogenes Nonomura and Ohara 1960 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: a.me.thys.to’ge.nes. L. masc. adj. amethystinus, violet colored, amethyst colored; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. fem. part. adj. amethystogenes, producing violet-colored (crystals)

Pronunciation (Latin), gender: mi-kro-BI-spo-ra a-me-t^hys-TO-ge-nes, feminine

Type strain: DSM 43164; JCM 3021; NBRC 101907; NRRL B-2637

Conduct genome-based taxonomy at

16S rRNA gene: AB915620 Analyse FASTA

Effective publication: Nonomura H, Ohara Y. Distribution of the actinomycetes in soil. IV. The isolation and classification of the genus Microbispora. Journal of Fermentation Technology 1960; 38:401-405.

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

Correct name: Microbispora rosea Nonomura and Ohara 1957 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Microbispora chromogenes Nonomura and Ohara 1960 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Microbispora indica Rao et al. 1987	heterotypic synonym, validly published under the ICNP
    Microbispora diastatica Nonomura and Ohara 1960 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Microbispora parva Nonomura and Ohara 1960 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Microbispora karnatakensis Rao et al. 1987	heterotypic synonym, validly published under the ICNP
    Microbispora rosea Nonomura and Ohara 1957 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Bouras and Machado 2024 Bouras N, Machado RAR. Whole genome-based reclassification of several species of the genus Microbispora. PLoS One 2024; 19:e0307299. 🇨🇭 Oren A, Göker M. List of changes in taxonomic opinion no. 41. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2025; 75:6561.

• Notes:
  • ⏲ According to Miyadoh et al. (1990), this species is a later heterotypic synonym of Microbispora rosea Nonomura and Ohara 1957 (Approved Lists 1980). Publication: Miyadoh S, Amano S, Tohyama H, Shomura T. A taxonomic review of the genus Microbispora and a proposal to transfer two species to the genus Actinomadura and to combine ten species into Microbispora rosea. J Gen Microbiol 1990; 136:1905-1913. 🇯🇵
  • ❗ Microbispora amethystogenes 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 Microbispora.
  • 😷 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 9 times in PubMed until 2026-06-11.
  • 🧍 On the Approved Lists of Bacterial Names and on the Approved Lists of Bacterial Names (Amended Edition), the page numbers of the effective publication are cited as 401-409. Publication: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 DNA–DNA relatedness values in reciprocal hybridization experiments show that Microbispora amethystogenes is a separate genomic species from Microbispora rosea subsp. rosea. A combination of genotypic and phenotypic data supports the classification of Microbispora amethystogenes as a separate species. Publication: Boondaeng A, Ishida Y, Tamura T, Tokuyama S, Kitpreechavanich V. Microbispora siamensis sp. nov., a thermotolerant actinomycete isolated from soil. Int J Syst Evol Microbiol 2009; 59:3136-3139. 🇹🇭

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Microbispora amethystogenes subsp. amethystogenes" (Nonomura and Ohara 1960) Bouras and Machado 2024	not validly published	synonym

Parent taxon: Microbispora Nonomura and Ohara 1957 (Approved Lists 1980)

Assigned by: Nonomura H, Ohara Y. Distribution of the actinomycetes in soil. IV. The isolation and classification of the genus Microbispora. Journal of Fermentation Technology 1960; 38:401-405.

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Record number: 778074