Name: Saccharothrix longispora (Preobrazhenskaya and Sveshnikova 1974) Grund and Kroppenstedt 1990

Category: Species

Proposed as: comb. nov.

Basonym: Actinomadura longispora Preobrazhenskaya and Sveshnikova 1974 (Approved Lists 1980)

Etymology: lon.gi’spo.ra. L. masc. adj. longus, long; Gr. fem. n. spora, a seed and in biology a spore; N.L. fem. adj. longispora, the long spore, referring to the oblong shape of the spores

Pronunciation (Latin), gender: … lon-GI-spo-ra, feminine

Type strain: ATCC 35109; DSM 43749; IFO 14522; INA 10222; JCM 3314; NBRC 14522; NRRL B-16116; VKM Ac-907

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF114809 Analyse FASTA

Effective publication: Grund E, Kroppenstedt RM. Transfer of five Nocardiopsis species to the genus Saccharothrix Labeda et al. 1984. Syst. Appl. Microbiol. 1989; 12:267-274. 🇩🇪

IJSEM list: Anonymous. Validation list no. 34. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1990; 40:320-321.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Actinomadura longispora Preobrazhenskaya and Sveshnikova 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Nocardiopsis longispora (Preobrazhenskaya and Sveshnikova 1974) Preobrazhenskaya and Sveshnikova 1985	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — 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 6 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Saccharothrix Labeda et al. 1984

Assigned by: Grund E, Kroppenstedt RM. Transfer of five Nocardiopsis species to the genus Saccharothrix Labeda et al. 1984. Syst. Appl. Microbiol. 1989; 12:267-274. 🇩🇪

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Record number: 780708