Name: Wautersia eutropha (Davis 1969) Vaneechoutte et al. 2004

Category: Species

Proposed as: comb. nov.

Basonym: Alcaligenes eutrophus Davis 1969 (Approved Lists 1980)

Etymology: eu’tro.pha. Gr. adv. eû, good; Gr. masc./fem. adj. trophos, feeder; N.L. fem. adj. eutropha, well nourished

Pronunciation (Latin), gender: wa͡u-TER-si-a E͡U-tro-p^ha, feminine

Type strain: ATCC 17697; CCUG 1776; CIP 104763; DSM 531; JCM 11282; LMG 1199; NBRC 102504; NCCB 82041; NRRL B-14690; NRRL B-4383

Conduct genome-based taxonomy at

16S rRNA gene: M32021 Analyse FASTA

Valid publication: Vaneechoutte M, Kampfer P, De Baere T, Falsen E, Verschraegen G. Wautersia gen. nov., a novel genus accommodating the phylogenetic lineage including Ralstonia eutropha and related species, and proposal of Ralstonia [Pseudomonas] syzygii (Roberts et al. 1990) comb. nov. Int J Syst Evol Microbiol 2004; 54:317-327. 🇧🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 2 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1007-1009.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Ralstonia eutropha (Davis 1969) Yabuuchi et al. 1996	homotypic synonym, validly published under the ICNP
    Alcaligenes eutrophus Davis 1969 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Wautersia Vaneechoutte et al. 2004. Publication: Vaneechoutte M, Kampfer P, De Baere T, Falsen E, Verschraegen G. Wautersia gen. nov., a novel genus accommodating the phylogenetic lineage including Ralstonia eutropha and related species, and proposal of Ralstonia [Pseudomonas] syzygii (Roberts et al. 1990) comb. nov. Int J Syst Evol Microbiol 2004; 54:317-327. 🇧🇪
  • ⏲ According to Vandamme and Coenye (2004), this species is a later heterotypic synonym of Cupriavidus necator Makkar and Casida 1987 but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Vandamme P, Coenye T. Taxonomy of the genus Cupriavidus: a tale of lost and found. Int J Syst Evol Microbiol 2004; 54:2285-2289. 🇧🇪
  • 😷 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 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 26 times in PubMed until 2026-06-11.
  • 🙆 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 species itself.

Parent taxon: Wautersia Vaneechoutte et al. 2004

Assigned by: Vaneechoutte M, Kampfer P, De Baere T, Falsen E, Verschraegen G. Wautersia gen. nov., a novel genus accommodating the phylogenetic lineage including Ralstonia eutropha and related species, and proposal of Ralstonia [Pseudomonas] syzygii (Roberts et al. 1990) comb. nov. Int J Syst Evol Microbiol 2004; 54:317-327. 🇧🇪

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Record number: 783080