Name: Ureaplasma Shepard et al. 1974 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: U.re.a.plas’ma. Chem. fem. n. urea, urea; Gr. neut. n. plasma, anything formed or moulded, image, figure, form; N.L. neut. n. Ureaplasma, urea form [probably better: Ureiplasma]

Gender, pronunciation: neuter (stem: Ureaplasmat-), u-re-a-PLAS-ma

Type species: Ureaplasma urealyticum Shepard et al. 1974 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Shepard MC, Lunceford CD, Ford DK, Purcell RH, Taylor-Robinson D, Razin S, Black FT. Ureaplasma urealyticum gen. nov., sp. nov.: proposed nomenclature for the human T (T-strain) mycoplasmas. International Journal of Systematic Bacteriology 1974; 24:160-171.

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

Risk group: 2

• Notes:
  • 🧕 Cavalier-Smith (1981) assigned this genus to the subkingdom "Eubacteria" Cavalier-Smith 1981. Publication: Cavalier-Smith T. Eukaryote kingdoms: seven or nine? Biosystems 1981; 14:461-481.
  • 🧕 Robertson et al. (2002) assigned this genus to the family Mycoplasmataceae Freundt 1955 (Approved Lists 1980). Publication: Robertson JA, Stemke GW, Davis JWJ, Harasawa R, Thirkell D, Kong F, Shepard MC, Ford DK. Proposal of Ureaplasma parvum sp. nov. and emended description of Ureaplasma urealyticum (Shepard et al. 1974) Robertson et al. 2001. Int J Syst Evol Microbiol 2002; 52:587-597.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Urealpasma"; "Ureaoplasma"; "Ureaphma"; "Ureaplasm"; "Ureaplsama"; "Ureaplusma"; "Ureoplasma"; "Ureplasma"; "Vreaplasma".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Bradbury JM. International Committee on Systematics of Prokaryotes. Subcommittee on the taxonomy of mollicutes. Minutes of the interim meetings, 13 and 19 July 2000, Fukuoka, Japan. Int. J. Syst. Evol. Microbiol. 2001; 51:2227-2230.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: May M, Brown DR. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Mollicutes: minutes of the meetings (closed and open), 1 and 5 June 2014, Blumenau SC, Brazil. Int J Syst Evol Microbiol 2014; 64:3904-3906.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Firrao G, Brown DR. International Committee on Systematics of Prokaryotes. Subcommittee on the taxonomy of Mollicutes: Minutes of the meetings, July 15th and 19th 2012, Toulouse, France. Int J Syst Evol Microbiol 2013; 63:2361-2364.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Johansson KE. International Committee on Systematic Bacteriology Subcommittee on the taxonomy of Mollicutes. Minutes of the meetings, 21 and 28 July 1998, Sydney, Australia. Int J Syst Evol Microbiol 2000; 50:1393-1397.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Anonymous NN. International Committee on Systematic Bacteriology Subcommittee on the Taxonomy of Mollicutes: Minutes of the Interim Meetings, 1 and 2 August, 1992, Ames, Iowa. International Journal of Systematic Bacteriology 1993; 43:394-397.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Tully J. International Committee on Systematic Bacteriology: Subcommittee on the Taxonomy of Mollicutes. International Journal of Systematic Bacteriology 1993; 43:394-397.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Gasparich GE, Kuo C-H, Manso-Silván L, Blanchard A, Balish MF. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Mollicutes: minutes of the closed meeting, 7 July 2024, Gran Canaria, Spain. International Journal of Systematic and Evolutionary Microbiology 2024; 74:0.
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Harasawa et al. (1993). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 10; DSM: 7; NCTC: 7; CIP: 6; JCM: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, 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". — 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "URPL" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 10
Number of child taxa with a validly published name, including synonyms: 10
Total number of child taxa: 12

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Ureaplasma canigenitalium Harasawa et al. 1993	validly published under the ICNP	correct name
    Ureaplasma cati Harasawa et al. 1990	validly published under the ICNP	correct name
    Ureaplasma ceti Segawa et al. 2025	validly published under the ICNP	correct name
    Ureaplasma diversum Howard and Gourlay 1982	validly published under the ICNP	correct name
    Ureaplasma felinum Harasawa et al. 1990	validly published under the ICNP	correct name
    Ureaplasma gallorale Koshimizu et al. 1987	validly published under the ICNP	correct name
    "Candidatus Ureaplasma intestinipullorum" Gilroy et al. 2021	not validly published	pro-correct name
    Ureaplasma miroungigenitalium Volokhov et al. 2020	validly published under the ICNP	correct name
    Ureaplasma parvum Robertson et al. 2002	validly published under the ICNP	correct name
    "Ureaplasma parvum" Kong et al. 1999	not validly published	synonym
    Ureaplasma urealyticum Shepard et al. 1974 (Approved Lists 1980)	validly published under the ICNP	correct name
    Ureaplasma zalophigenitalium Volokhov et al. 2020	validly published under the ICNP	correct name

Parent taxon: Mycoplasmoidaceae 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: 517383