Name: Alcaligenes eutrophus Davis 1969 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: eu.troph’us. Gr. adv. eû, good; Gr. masc./fem. adj. trophos, feeder; N.L. masc. adj. eutrophus, well nourished

Gender: masculine

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

Effective publication: Davis DH, Doudoroff M, Stanier RY, Mandel M. Proposal to reject the genus Hydrogenomonas: taxonomic implications. International Journal of Systematic Bacteriology 1969; 19:375-390.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Wautersia eutropha (Davis 1969) Vaneechoutte et al. 2004	homotypic synonym, validly published under the ICNP
    Ralstonia eutropha (Davis 1969) Yabuuchi et al. 1996	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ 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.
  • ❗ Alcaligenes eutrophus 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 Alcaligenes.
  • ✏ The authority of the taxon name (Davis) deliberately differs from the authors of the publication (Davis et al.).
  • 😷 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 = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 687 times in PubMed until 2024-03-28.

Parent taxon: Alcaligenes Castellani and Chalmers 1919 (Approved Lists 1980)

Assigned by: Davis DH, Doudoroff M, Stanier RY, Mandel M. Proposal to reject the genus Hydrogenomonas: taxonomic implications. International Journal of Systematic Bacteriology 1969; 19:375-390.

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Record number: 773010