Name: Ralstonia metallidurans Goris et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: me.tal.li.du’rans. L. neut. n. metallum, metal; L. pres. part. durans, enduring; N.L. fem. part. adj. metallidurans, enduring metal, to indicate that these strains are able to survive high heavy-metal concentrations

Pronunciation, gender: me-tal-li-DU-rans, feminine

Type strain: ATCC 43123; CCUG 13724; CCUG 38400; CH 34; CIP 107179; DSM 2839; JCM 21315; LMG 1195; NBRC 102507

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y10824 Analyse FASTA

Valid publication: 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.

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

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

Correct name: Cupriavidus metallidurans (Goris et al. 2001) Vandamme and Coenye 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Wautersia metallidurans (Goris et al. 2001) Vaneechoutte et al. 2004	homotypic synonym, validly published under the ICNP
    Cupriavidus metallidurans (Goris et al. 2001) Vandamme and Coenye 2004	homotypic synonym, validly published under the ICNP

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • ❗ Ralstonia metallidurans 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 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 58 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 pathogenicity of the species itself.

Parent taxon: Ralstonia Yabuuchi et al. 1996

Assigned by: 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.

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Record number: 780317