Name: Acholeplasma axanthum Tully and Razin 1970 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: a’xan’thum. Gr. pref. a-, not, without (inseparable prefix); Gr. masc. adj. xanthos, yellow; N.L. neut. adj. axanthum, without yellow (pigment)

Gender: neuter

Type strain: ATCC 25176; NCTC 10138; S-743

Conduct genome-based taxonomy at

16S rRNA gene: AF412968 Analyse FASTA

Effective publication: Tully JG, Razin S. Acholeplasma axanthum, sp. n.: a new sterol-nonrequiring member of the Mycoplasmatales. J Bacteriol 1970; 103:751-754.

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 (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Haploplasma axanthum (Tully and Razin 1970) Watanabe et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — 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 27 times in PubMed until 2024-03-27.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Acholeplasma Edward and Freundt 1970 (Approved Lists 1980)

Assigned by: Tully JG, Razin S. Acholeplasma axanthum, sp. n.: a new sterol-nonrequiring member of the Mycoplasmatales. J Bacteriol 1970; 103:751-754.

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Record number: 783246