Name: Hyphomicrobium Stutzer and Hartleb 1899 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Hy.pho.mi.cro.bi.um. Gr. fem. n. hyphê, a web, thread; Gr. masc. adj. mikros, small; Gr. masc. n. bios, life; N.L. neut. n. Hyphomicrobium, thread-producing microbe

Gender: neuter (stem: Hyphomicrobi-)

Type species: Hyphomicrobium vulgare Stutzer and Hartleb 1899 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Stutzer A, Hartleb R. Untersuchungen über die bei der Bildung von Salpeter beobachteten Mikroorganismen. Mitteilungen des Landwirtschaftlichen Institutes der Kaiserlichen Universitat Breslau 1899; 1:75-100.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Urakami et al. 1995 Urakami T, Sasaki J, Suzuki KI, Komagata K. Characterization and description of Hyphomicrobium denitrificans sp. nov. Int. J. Syst. Bacteriol. 1995; 45:528-532.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
    • This emendation was not found in the expected IJSEM notification list.
  • Xu et al. 2021 Xu Q, Zhang Y, Wang X, Wang G. Hyphomicrobium album sp. nov., isolated from mountain soil and emended description of genus Hyphomicrobium. Arch Microbiol 2021; 203:5931-5936. Oren A, Garrity GM. List of changes in taxonomic opinion no. 36. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5413.
    Notes:
    • The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details.

• Notes:
  • Nomenclatural type of the family Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980). Publication: Babudieri B. Natura delle cosidette "S-formen" delle leptospire. Loro identificazione con Hyphomicrobium vulgare Stutzer e Hartleb. Studio di quest. Ultimo germe. R.C. 1st Supplement, Sanita, Roma 1950; 13:580-591.
  • Nomenclatural type of the order Hyphomicrobiales Douglas 1957 (Approved Lists 1980). Publication: Douglas HC. Order III. Hyphomicrobiales Douglas, Ordo Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 276-280.
  • This taxon name is occasionally misprinted in some sources as: "Hvhomicrobium"; "Hyhomicrobium"; "Hyleomicrobium"; "Hyphoinicrobium"; "Hyphomicmbium"; "Hyphomicrohium"; "Hyphomicroliium"; "Hypizomicrobium"; "Hypliomicrobium"; "Hypomicrobium".
  • This taxon name is occasionally used in plural form as: "Hyphomicrobia".
  • The BRCs most frequently used for deposits in this group are: ATCC: 12; DSM: 8; NCIMB: 5; IFO: 3; NBRC: 3; VKM: 2; JCM: 2; CCRC: 1; BCRC: 1; KCTC: 1.
  • Pittman et al. (1991) suggested the abbreviation "HFMI" 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.
  • According to P. Hirsch, the first description of Hyphomicrobium vulgare was published in 1898 (not in 1899). Publication: Hirsch P. Genus Hyphomicrobium Stutzer and Hartleb 1898, 76AL. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 3, The Williams & Wilkins Co., Baltimore, 1989, p. 1895-1904.

Subdivision:

Number of child taxa with a validly published and correct name: 11
Number of child taxa with a validly published name, including synonyms: 13
Total number of child taxa: 15

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hyphomicrobium aestuarii Hirsch 1989	validly published under the ICNP	correct name
    "Hyphomicrobium album" Xu et al. 2021	not validly published
    Hyphomicrobium chloromethanicum McDonald et al. 2001	validly published under the ICNP	correct name
    Hyphomicrobium coagulans (ex Takada 1975) Hirsch 1989	validly published under the ICNP	correct name
    Hyphomicrobium denitrificans Urakami et al. 1995	validly published under the ICNP	correct name
    Hyphomicrobium facile corrig. Hirsch 1989	validly published under the ICNP	correct name
    Hyphomicrobium facilis Hirsch 1989	inaccurate spelling	misspelling
    Hyphomicrobium hollandicum Hirsch 1989	validly published under the ICNP	correct name
    Hyphomicrobium indicum Johnson and Weisrock 1969 (Approved Lists 1980)	validly published under the ICNP	synonym
    Hyphomicrobium methylovorum Izumi et al. 1983	validly published under the ICNP	correct name
    Hyphomicrobium neptunium Leifson 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Hyphomicrobium nitrativorans Martineau et al. 2013	validly published under the ICNP	correct name
    Hyphomicrobium sulfonivorans Borodina et al. 2002	validly published under the ICNP	correct name
    Hyphomicrobium vulgare Stutzer and Hartleb 1899 (Approved Lists 1980)	validly published under the ICNP	correct name
    Hyphomicrobium zavarzinii Hirsch 1989	validly published under the ICNP	correct name

Parent taxon: Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980)

Assigned by: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

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Record number: 515835