Name: Mycoplasmoides gallisepticum (Edward and Kanarek 1960) Gupta et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Mycoplasma gallisepticum Edward and Kanarek 1960 (Approved Lists 1980)

Etymology: gal.li.sep’ti.cum. L. masc. n. gallus, rooster, chicken; L. adj. septicus -a -um, producing a putrefaction, putrefying, septic; N.L. neut. adj. gallisepticum, hen-putrefying, infecting

Pronunciation (Latin), gender: my-ko-plasm-o-I-des gal-li-SEP-ti-kum, neuter

Type strain: ATCC 19610; CIP 104967; DSM 19817; IFO 14855; NBRC 14855; NCTC 10115

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB680686 Analyse FASTA

Effective publication: Gupta RS, Sawnani S, Adeolu M, Alnajar S, Oren A. Phylogenetic framework for the phylum Tenericutes based on genome sequence data: proposal for the creation of a new order Mycoplasmoidales ord. nov., containing two new families Mycoplasmoidaceae fam. nov. and Metamycoplasmataceae fam. nov. harbouring Eperythrozoon, Ureaplasma and five novel genera. Antonie Van Leeuwenhoek 2018; 111:1583-1630. 🇨🇦

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycoplasma gallisepticum Edward and Kanarek 1960 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 2 times in PubMed until 2026-06-11.
  • 🫡 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. This name is not taxonomically suspended any more in favour of Mycoplasma gallisepticum Edward and Kanarek 1960 (Approved Lists 1980). Publication: Edward DG, Kanarek AD. Organisms of the pleuropneumonia group of avian origin: their classification into species. Ann N Y Acad Sci 1960; 79:696-702. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 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: Mycoplasmoides Gupta et al. 2018

Assigned by: Gupta RS, Sawnani S, Adeolu M, Alnajar S, Oren A. Phylogenetic framework for the phylum Tenericutes based on genome sequence data: proposal for the creation of a new order Mycoplasmoidales ord. nov., containing two new families Mycoplasmoidaceae fam. nov. and Metamycoplasmataceae fam. nov. harbouring Eperythrozoon, Ureaplasma and five novel genera. Antonie Van Leeuwenhoek 2018; 111:1583-1630. 🇨🇦

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Record number: 798586