Subspecies Actinomadura cremea subsp. rifamycini

Name: Actinomadura cremea subsp. rifamycini Gauze et al. 1987

Category, proposed as: subspecies, subsp. nov.

Etymology: ri.fa.my’ci.ni. N.L. neut. n. rifamycinum, rifamycin; N.L. gen. neut. n. rifamycini, of rifamycin, intended to mean a rifamycin-producing bacterium

Pronunciation (Latin), gender: ak-ti-no-ma-DU-ra KRE-me-a ri-fa-MY-ki-ni, feminine

Type strain: ATCC 33264; DSM 43936; IFO 14183; INA 1349; JCM 3309; KCTC 9248; NBRC 14183; NCIB 12768; NCIMB 12768; NRRL B-16122; VKM Ac-1085

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB557595 Analyse FASTA

Effective publication: Gauze GF, Preobrazhenskaia TP, Lavrova NV, Ukholina RS, Kochetkova NV. [Actinomadura cremea var. rifamycini, a producer of rifamycin O]. Antibiotiki 1975; 20:963-966.

IJSEM list: Anonymous. Validation list no. 23. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1987; 37:179-180.

Nomenclatural status: validly published under the ICNP

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

Correct name: Actinomadura rifamycini (Gauze et al. 1987) Promnuan et al. 2011

Risk group: 1

• Synonyms:

  • Name	Kind
    Actinomadura rifamycini (Gauze et al. 1987) Promnuan et al. 2011	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Actinomadura cremea subsp. rifamycini is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Actinomadura cremea within a separate genus Actinomadura.
  • 😷 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 2026-08-13. 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.
  • 🙅 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 subspecies. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 In Validation List no. 23, the type strain VKM Ac-1085 is erroneously cited as VKM Ac 1085. Publication: Anonymous. Validation list no. 23. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1987; 37:179-180.
  • 🧍 In Validation List no. 23, the reference of the effective publication by Gauze et al. 1975 is incorrectly cited as GAUSE (G.F.), TEREKHOVA (L.P.), GALATENKO (O.A.), PREOBRAZHENSKAYA (T.P.), BORISOVA (V.N.) and FEDEROVA (G.B.): Actinomadura recticatena sp. nov., a new species and its antibiotic properties. Antibiotiki, 1984, 29, 3-7 (sic). Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷
  • 🧍 The incorrect citation is as follows. Publication: Gauze GF, Terekhova LP, Galatenko OA, Preobrazhenskaia TP, Borisova VN. [New species of Actinomadura recticatena sp. nov. and its antibiotic properties]. Antibiotiki 1984; 29:3-7.

Parent taxon: Actinomadura cremea Preobrazhenskaya et al. 1975 (Approved Lists 1980)

Assigned by: Gauze GF, Preobrazhenskaia TP, Lavrova NV, Ukholina RS, Kochetkova NV. [Actinomadura cremea var. rifamycini, a producer of rifamycin O]. Antibiotiki 1975; 20:963-966.

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Record number: 772699