Name: Hydrogenophaga Willems et al. 1989

Category: Genus

Proposed as: gen. nov.

Etymology: Hy.dro.ge.no.pha.ga. N.L. neut. n. hydrogenum, hydrogen (that which produces water, so called because it forms water when exposed to oxygen); from Gr. neut. n. hydôr, water; from Gr. ind. v. gennaô, to produce; Gr. inf. v. phageîn, to eat, to devour; N.L. fem. n. Hydrogenophaga, eater of hydrogen

Gender: feminine (stem: Hydrogenophag-)

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

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: 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

• Notes:
  • The type species of this genus has alternatively been placed in the genus "Hydrogenomonas" Orla-Jensen 1909. Publication: Niklewski B. Über die Wasserstoffoxydation durch Mikroorganismen. Jahrbuch für Wissenschaftliche Botanik 1910; 48:113-142.
  • 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.
  • This taxon name is occasionally misprinted in some sources as: "Drogenophaga"; "Hjdrogenophaga"; "Hydmgenophaga"; "Hydrogenaphaga"; "Hydrogenopbaga"; "Hydrogenophagu"; "Hydrogenophava"; "Hydrogenophuga"; "Hydrognophga"; "Hydrogrenophaga"; "Hydrugenophaga".
  • Taxonomists who have recently focused on this group are the corresponding authors of Kaempfer et al. (2005). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • The phylogenomic assignment score of this taxon is 0.06419 (N = 3).
  • The BRCs most frequently used for deposits in this group are: JCM: 10; DSM: 9; KCTC: 8; CCUG: 7; LMG: 7; CIP: 6; NBRC: 6; ATCC: 5; CFBP: 3; BCRC: 1.
  • Pittman et al. (1991) suggested the abbreviation "HYFG" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 16
Number of child taxa with a validly published name, including synonyms: 16
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hydrogenophaga aquatica Lin et al. 2017	validly published under the ICNP	correct name
    Hydrogenophaga aromaticivorans Banerjee et al. 2021	validly published under the ICNP	correct name
    Hydrogenophaga atypica Kämpfer et al. 2005	validly published under the ICNP	correct name
    Hydrogenophaga bisanensis Yoon et al. 2008	validly published under the ICNP	correct name
    Hydrogenophaga borbori Choi et al. 2020	validly published under the ICNP	correct name
    Hydrogenophaga caeni Chung et al. 2007	validly published under the ICNP	correct name
    "Hydrogenophaga carboriunda" Reinauer et al. 2014	not validly published
    Hydrogenophaga crassostreae Baek et al. 2017	validly published under the ICNP	correct name
    "Hydrogenophaga crocea" Thorat et al. 2022	not validly published
    Hydrogenophaga defluvii Kämpfer et al. 2005	validly published under the ICNP	correct name
    "Hydrogenophaga electricum" Kimura and Okabe 2013	not validly published
    Hydrogenophaga flava (Niklewski 1910) Willems et al. 1989	validly published under the ICNP	correct name
    Hydrogenophaga intermedia Contzen et al. 2001	validly published under the ICNP	correct name
    Hydrogenophaga laconesensis Mantri et al. 2017	validly published under the ICNP	correct name
    Hydrogenophaga luteola Du et al. 2015	validly published under the ICNP	correct name
    Hydrogenophaga palleronii (Davis 1970) Willems et al. 1989	validly published under the ICNP	correct name
    Hydrogenophaga pseudoflava (Auling et al. 1978) Willems et al. 1989	validly published under the ICNP	correct name
    Hydrogenophaga soli Yang et al. 2017	validly published under the ICNP	correct name
    Hydrogenophaga taeniospiralis (Lalucat et al. 1982) Willems et al. 1989	validly published under the ICNP	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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Record number: 515823