Name: Acholeplasma seiffertii Bonnet et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: seif.fer’ti.i. N.L. gen. masc. n. seiffertii, of Seiffert, in honor of Gustav Seiffert, a German microbiologist who performed pioneer studies on mollicutes that occur in soil and compost and do not require sterols for growth

Pronunciation (Latin), gender: a-k^ho-le-PLAS-ma se͡if-FER-ti-i, neuter

Type strain: ATCC 49495; F7

Conduct genome-based taxonomy at

16S rRNA gene: AY351331 Analyse FASTA

Valid publication: Bonnet F, Saillard C, Vignault JC, Garnier M, Carle P, Bové JM, Rose DL, Tully JG, Whitcomb RF. Acholeplasma seiffertii sp. nov., a mollicute from plant surfaces. Int. J. Syst. Bacteriol. 1991; 41:45-49. 🇫🇷

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 1 of the IJSB. Int J Syst Bacteriol 1991; 41:457-458.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Mesoplasma seiffertii (Bonnet et al. 1991) Tully et al. 1993

Risk group: 1

• Synonyms:

  • Name	Kind
    "Tullyiplasma seiffertii" (Bonnet et al. 1991) Gupta et al. 2019	homotypic synonym, not validly published
    Mesoplasma seiffertii (Bonnet et al. 1991) Tully et al. 1993	homotypic synonym, validly published under the ICNP
    "Entomoplasma seiffertii" (Bonnet et al. 1991) Gasparich and Kuo 2019	homotypic synonym, not validly published

• Notes:
  • ❗ Acholeplasma seiffertii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Acholeplasma.
  • 😷 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. — The risk group for Germany has been imported on 2023-10-29. 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 1 time in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

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

Assigned by: Bonnet F, Saillard C, Vignault JC, Garnier M, Carle P, Bové JM, Rose DL, Tully JG, Whitcomb RF. Acholeplasma seiffertii sp. nov., a mollicute from plant surfaces. Int. J. Syst. Bacteriol. 1991; 41:45-49. 🇫🇷

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Record number: 783261