Name: Ralstonia basilensis Steinle et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: ba.si.len’sis. L. fem. adj. basilensis, pertaining to Basilea, the Roman name of Basel, Switzerland, where the strain was isolated

Pronunciation, gender: ba-si-LEN-sis, feminine

Type strain: DSM 11853; LMG 18990; LMG 19474; RK1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF312022 Analyse FASTA

Effective publication: Steinle P, Stucki G, Stettler R, Hanselmann KW. Aerobic mineralization of 2,6-dichlorophenol by Ralstonia sp. strain RK1. Appl Environ Microbiol 1998; 64:2566-2571. 🇺🇸

IJSEM list: Anonymous. Validation list no. 71. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1999; 49:1325-1326.

Nomenclatural status: validly published under the ICNP

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

Correct name: Cupriavidus basilensis (Steinle et al. 1999) Vandamme and Coenye 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Cupriavidus basilensis (Steinle et al. 1999) Vandamme and Coenye 2004	homotypic synonym, validly published under the ICNP
    Wautersia basilensis (Steinle et al. 1999) Vaneechoutte et al. 2004	homotypic synonym, validly published under the ICNP

• Emendations:
  • Goris et al. 2001 Goris J, De Vos P, Coenye T, Hoste B, Janssens D, Brim H, Diels L, Mergeay M, Kersters K, Vandamme P. Classification of metal-resistant bacteria from industrial biotopes as Ralstonia campinensis sp. nov., Ralstonia metallidurans sp. nov. and Ralstonia basilensis Steinle et al. 1998 emend. Int J Syst Evol Microbiol 2001; 51:1773-1782. 🇧🇪 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 5 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1947-1948.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • 🧍 In the paper by Goris et al. 2001 Ralstonia basilensis is erroneously cited as Ralstonia basilensis Steinle et al. 1998 (sic).

• Notes:
  • ❗ Ralstonia basilensis 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 Ralstonia.
  • 😷 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 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 11 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: Ralstonia Yabuuchi et al. 1996

Assigned by: Steinle P, Stucki G, Stettler R, Hanselmann KW. Aerobic mineralization of 2,6-dichlorophenol by Ralstonia sp. strain RK1. Appl Environ Microbiol 1998; 64:2566-2571. 🇺🇸

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Record number: 780311