Name: "Streptothrix rubra" Kruse 1896

Category: Species

Proposed as: sp. nov.

Pronunciation (Latin), gender: … RU-bra, feminine

Nomenclatural type: CIP 104180; DSM 43338; IEGM 70; IFO 15591; JCM 3205; KCC A-205; LMG 5366; NBRC 15591; VKM Ac-1021

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X80625 Analyse FASTA

Original publication: Kruse W. Systematik der Streptothricheen und Bakterien. In: Flügge C (eds), Die Mikroorganismen, 3rd ed., vol.2, Vogel, Leipzig, 1896, p. 48-66.

Nomenclatural status: not validly published, basonym of name in Approved Lists

Taxonomic status: synonym (and no standing)

Correct name: Rhodococcus ruber (Kruse 1896) Goodfellow and Alderson 1977 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodococcus electrodiphilus Ramaprasad et al. 2018	heterotypic synonym, validly published under the ICNP
    Rhodococcus ruber (Kruse 1896) Goodfellow and Alderson 1977 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Kusuma et al. (2024), this species is an earlier heterotypic synonym of Rhodococcus electrodiphilus Ramaprasad et al. 2018. Publication: Kusuma AB, Fenylestari G, Ammar F, Nououi I, Goodfellow M. Rhodococcus indonesiensis sp. nov. a new member of the Rhodococcus ruber lineage isolated from sediment of a neutral hot spring and reclassification of Rhodococcus electrodiphilus (Ramaprasad et al. 2018) as a later heterotypic synonym of Rhodococcus ruber (Kruse 1896) Goodfellow and Alderson 1977 (Approved Lists 1980). Int J Syst Evol Microbiol 2024; 74:6236. 🇬🇧
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 1 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6271.
  • 😷 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". — 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.

Parent taxon: [Streptothrix]

Assigned by: Kruse W. Systematik der Streptothricheen und Bakterien. In: Flügge C (eds), Die Mikroorganismen, 3rd ed., vol.2, Vogel, Leipzig, 1896, p. 48-66.

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Record number: 3948