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

Category: Species

Proposed as: comb. nov.

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

Etymology: N.L. gen. neut. n. testosteroni, of testosterone, a chemical compound

Gender: 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

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 = 32).
  • 😷 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 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🎓 Name mentioned 450 times in PubMed until 2024-03-27.
  • 🧍 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 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.

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Record number: 775085