Name: Hydrogenophaga flava (Niklewski 1910) Willems et al. 1989

Category: Species

Proposed as: comb. nov.

Basonym: "Hydrogenomonas flava" Niklewski 1910

Etymology: fla’va. L. fem. adj. flava, yellow

Pronunciation (Latin), gender: hy-dro-ge-NO-p^ha-ga FLA-wa, feminine

Type strain: ATCC 33667; CCUG 1658; CCUG 22894; CFBP 2438; CIP 103271; DSM 619; JCM 21413; LMG 2185; NBRC 102514

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB021420 Analyse FASTA

Valid publication: Willems A, Busse J, Goor M, Pot B, Falsen E, Jantzen E, Hoste B, Gillis M, Kersters K, Auling G, et al. Hydrogenophaga, a new genus of hydrogen-oxidizing bacteria that includes Hydrogenophaga flava comb. nov. (formerly Pseudomonas flava), Hydrogenophaga palleronii (formerly Pseudomonas palleronii), Hydrogenophaga pseudoflava (formerly Pseudomonas pseudoflava and "Pseudomonas carboxydoflava") and Hydrogenophaga taeniospiralis (formerly Pseudomonas taeniospiralis). Int. J. Syst. Bacteriol. 1989; 39:319-333.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    "Hydrogenomonas flava" Niklewski 1910	homotypic synonym, not validly published, basonym of name in Approved Lists
    Pseudomonas flava (Niklewski 1910) Davis 1969 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Hydrogenophaga Willems et al. 1989. Publication: Willems A, Busse J, Goor M, Pot B, Falsen E, Jantzen E, Hoste B, Gillis M, Kersters K, Auling G, et al. Hydrogenophaga, a new genus of hydrogen-oxidizing bacteria that includes Hydrogenophaga flava comb. nov. (formerly Pseudomonas flava), Hydrogenophaga palleronii (formerly Pseudomonas palleronii), Hydrogenophaga pseudoflava (formerly Pseudomonas pseudoflava and "Pseudomonas carboxydoflava") and Hydrogenophaga taeniospiralis (formerly Pseudomonas taeniospiralis). Int. J. Syst. Bacteriol. 1989; 39:319-333.
  • 😷 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. — 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 6 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 other species in the genus.

Parent taxon: Hydrogenophaga Willems et al. 1989

Assigned by: Willems A, Busse J, Goor M, Pot B, Falsen E, Jantzen E, Hoste B, Gillis M, Kersters K, Auling G, et al. Hydrogenophaga, a new genus of hydrogen-oxidizing bacteria that includes Hydrogenophaga flava comb. nov. (formerly Pseudomonas flava), Hydrogenophaga palleronii (formerly Pseudomonas palleronii), Hydrogenophaga pseudoflava (formerly Pseudomonas pseudoflava and "Pseudomonas carboxydoflava") and Hydrogenophaga taeniospiralis (formerly Pseudomonas taeniospiralis). Int. J. Syst. Bacteriol. 1989; 39:319-333.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.776945Copy to clipboardLink copied to clipboard

Record number: 776945