Name: Hydrogenophaga Willems et al. 1989

Category: Genus

Proposed as: gen. nov.

Etymology: N.L. neut. n. hydrogenum, hydrogen (that which produces water, so called because it forms water when exposed to oxygen); from Gr. n. hudôr, water; from Gr. v. gennaô, to produce; Gr. v. phagein, to eat, to devour; N.L. fem. n. Hydrogenophaga, eater of hydrogen

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

Conduct genome-based taxonomy of genus at TYGS

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

Taxonomic status: correct name

• Notes:
  • The type species of this genus has alternatively been placed in the genus Pseudomonas Migula 1894 (Approved Lists 1980). 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.

Subdivision:

Number of child taxa with a validly published and correct name: 15
Number of child taxa with a validly published name, including synonyms: 15
Total number of child taxa: 18

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hydrogenophaga aquatica Lin et al. 2017	validly published	correct name
    Hydrogenophaga atypica Kämpfer et al. 2005	validly published	correct name
    Hydrogenophaga bisanensis Yoon et al. 2008	validly published	correct name
    Hydrogenophaga borbori Choi et al. 2020	validly published	correct name
    Hydrogenophaga caeni Chung et al. 2007	validly published	correct name
    "Hydrogenophaga carboriunda" Reinauer et al. 2014	not validly published
    Hydrogenophaga crassostreae Baek et al. 2017	validly published	correct name
    Hydrogenophaga defluvii Kämpfer et al. 2005	validly published	correct name
    "Hydrogenophaga electricum" Kimura and Okabe 2013	not validly published
    Hydrogenophaga flava (Niklewski 1910) Willems et al. 1989	validly published	correct name
    Hydrogenophaga intermedia Contzen et al. 2001	validly published	correct name
    Hydrogenophaga laconesensis Mantri et al. 2017	validly published	correct name
    Hydrogenophaga luteola Du et al. 2015	validly published	correct name
    Hydrogenophaga palleronii (Davis 1970) Willems et al. 1989	validly published	correct name
    Hydrogenophaga pseudoflava (Auling et al. 1978) Willems et al. 1989	validly published	correct name
    Hydrogenophaga soli Yang et al. 2017	validly published	correct name
    Hydrogenophaga taeniospiralis (Lalucat et al. 1982) Willems et al. 1989	validly published	correct name
    "Hydrogenophaga temperata" Kim et al. 2010	not validly published

Parent taxon: Comamonadaceae Willems et al. 1991

Assigned by: Willems A, De Ley J, Gillis M, Kersters K. Comamonadaceae, a new family encompassing the acidovorans rRNA complex, including Variovorax paradoxus gen. nov., comb. nov., for Alcaligenes paradoxus (Davis) 1969. Int. J. Syst. Bacteriol. 1991; 41:445-450.

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