Name: Hyphomicrobium facile corrig. Hirsch 1989

Category: Species

Proposed as: sp. nov.

Etymology: fa’ci.le. L. neut. adj. facile, ready, quick

Pronunciation, gender: FA-ki-le, neuter

Type strain: ATCC 27485; DSM 1565; IFAM H-526

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y14309 Analyse FASTA

Effective 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.

IJSEM list: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Hyphomicrobium facilis Hirsch 1989	other spelling of name, inaccurate spelling

• Notes:
  • 😷 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. — 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 2 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: 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.
  • 🧍 Nom. corrig.: IJSB 48:1073; Hyphomicrobium facilis (sic). Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075.
  • 🧍 The original spelling of the specific epithet, facilis (sic), has been corrected by Euzéby 1998. Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hyphomicrobium facile subsp. facile corrig. (Hirsch 1989) Hirsch 1989	validly published under the ICNP	correct name
    Hyphomicrobium facile subsp. tolerans corrig. Hirsch 1989	validly published under the ICNP	correct name
    Hyphomicrobium facile subsp. ureaphilum corrig. Hirsch 1989	validly published under the ICNP	correct name

Parent taxon: Hyphomicrobium Stutzer and Hartleb 1899 (Approved Lists 1980)

Assigned by: 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.

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Record number: 784028