Name: Alicycliphilus Mechichi et al. 2003

Category: Genus

Proposed as: gen. nov.

Etymology: A.li.cy.cli’phi.lus. Gr. neut. n. aleiphar, fat; Gr. masc. n. kyklos, circle or ring; N.L. adj. alicyclo, referring to circular fat-like organic compounds; Gr. masc. adj. philos, friend; N.L. masc. n. Alicycliphilus, alicyclic compound-liking, referring to the substrates used for the isolation of this organism

Gender, pronunciation: masculine (stem: Alicycliphil-), a-li-ky-KLI-p^hi-lus

Type species: Alicycliphilus denitrificans Mechichi et al. 2003

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Mechichi T, Stackebrandt E, Fuchs G. Alicycliphilus denitrificans gen. nov., sp. nov., a cyclohexanol-degrading, nitrate-reducing beta-proteobacterium. Int J Syst Evol Microbiol 2003; 53:147-152. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 1 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:629-630.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Liu et al. 2025 Liu X, Liang H, Liu Y, Zhang H, Han H, Xin B, Wu X, Li F, Song M, Zhang L. Alicycliphilus soli sp. nov., Isolated from a Plastic Film Greenhouse Soil and the Proposal for the Reclassification of Diaphorobacter limosus as Alicycliphilus limosus comb. nov. Curr Microbiol 2025; 82:443. 🇨🇳
    Notes:
    • 🧍 As of 2025-09-30 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.07246 (N = 7).
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 2; CCTCC: 2; DSM: 1; CIP: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.
  • 🧍 The gender of the genus name Alicycliphilus is not given in the paper by Mechichi et al. 2003. According to Rule 65(2), Alicycliphilus must be in the masculine gender. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585. 🇮🇱

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Alicycliphilus denitrificans Mechichi et al. 2003	validly published under the ICNP	correct name
    "Alicycliphilus limosus" (Yang et al. 2024) Liu et al. 2025	not validly published	synonym
    "Alicycliphilus soli" Liu et al. 2025	not validly published	preferred name

Parent taxon: Comamonadaceae Willems et al. 1991

Assigned by: Mechichi T, Stackebrandt E, Fuchs G. Alicycliphilus denitrificans gen. nov., sp. nov., a cyclohexanol-degrading, nitrate-reducing beta-proteobacterium. Int J Syst Evol Microbiol 2003; 53:147-152. 🇩🇪

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Record number: 515074