Species Comamonas testosteroni

Name: Comamonas testosteroni (Marcus and Talalay 1956) Tamaoka et al. 1987

Category, proposed as: species, comb. nov.

Basonym: Pseudomonas testosteroni Marcus and Talalay 1956 (Approved Lists 1980)

Etymology: tes.tos.te.ro’ni. N.L. gen. neut. n. testosteroni, of testosterone, a chemical compound

Pronunciation (Latin), gender: ko-MA-mo-nas tes-tos-te-RO-ni, feminine

Type strain: ATCC 11996; CCUG 1426; CFBP 2436; CIP 59.24; DSM 50244; HAMBI 403; IAM 12419; IFO 14951; JCM 5832; JCM 6221; KS 0043; LMG 1786; LMG 1800; NBRC 14951; NCAIM B.01655; NCCB 86053; NCIB 8955; NCIMB 8955; NCTC 10698; NRRL B-2611; VKM B-1241

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M11224 Analyse FASTA

Valid publication: Tamaoka J, Ha DM, Komagata K. Reclassification of Pseudomonas acidovorans den Dooren de Jong 1926 and Pseudomonas testosteroni Marcus and Talalay 1956 as Comamonas acidovorans comb. nov. and Comamonas testosteroni comb. nov., with an emended description of the genus Comamonas. Int. J. Syst. Bacteriol. 1987; 37:52-59.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Pseudomonas testosteroni Marcus and Talalay 1956 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Willems et al. 1991 Willems A, Pot B, Falsen E, Vandamme P, Gillis M, Kersters K, De Ley J. Polyphasic taxonomic study of the emended genus Comamonas: relationship to Aquaspirillum aquaticum, E. Falsen group 10, and other clinical isolates. Int. J. Syst. Bacteriol. 1991; 41:427-444.
    Notes:
    • 🧍 This emendation was not found in the expected IJSEM notification list.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.00748 (N = 27).
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "+". — 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 492 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 pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Comamonas (ex Davis and Park 1962) De Vos et al. 1985

Assigned by: Tamaoka J, Ha DM, Komagata K. Reclassification of Pseudomonas acidovorans den Dooren de Jong 1926 and Pseudomonas testosteroni Marcus and Talalay 1956 as Comamonas acidovorans comb. nov. and Comamonas testosteroni comb. nov., with an emended description of the genus Comamonas. Int. J. Syst. Bacteriol. 1987; 37:52-59.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.775085Copy to clipboardLink copied to clipboard

Record number: 775085