Name: Mesoplasma Tully et al. 1993

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. masc. adj. mesos, medium, middle; Gr. neut. n. plasma, something formed or molded, a form, figure; N.L. neut. n. Mesoplasma, middle form, name intended to denote a middle position with respect to sterol or cholesterol requirement

Gender: neuter (stem: Mesoplasmat-)

Type species: Mesoplasma florum (McCoy et al. 1984) Tully et al. 1993

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Tully JG, Bové JM, Laigret F, Whitcomb RF. Revised taxonomy of the class Mollicutes: proposed elevation of a monophyletic cluster of arthropod-associated mollicutes to ordinal rank (Entomoplasmatales ord. nov.), with provision for familial rank to separate species with nonhelical morphology (Entomoplasmataceae fam. nov.) from helical species (Spiroplasmataceae), and emended descriptions of the order Mycoplasmatales, family Mycoplasmataceae. Int. J. Syst. Bacteriol. 1993; 43:378-385.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 2 of the IJSB. Int J Syst Bacteriol 1993; 43:625.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Edwardiiplasma" Gupta et al. 2019	heterotypic synonym, not validly published

• Emendations:
  • Gupta et al. 2019 Gupta RS, Son J, Oren A. A phylogenomic and molecular markers based taxonomic framework for members of the order Entomoplasmatales: proposal for an emended order Mycoplasmatales containing the family Spiroplasmataceae and emended family Mycoplasmataceae comprised of six genera. Antonie Van Leeuwenhoek 2019; 112:561-588. Oren A, Garrity GM. List of changes in taxonomic opinion no. 30. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:1850-1851.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • Gupta et al. (2019) assigned this genus to the family Mycoplasmataceae Freundt 1955 (Approved Lists 1980). Publication: Gupta RS, Son J, Oren A. A phylogenomic and molecular markers based taxonomic framework for members of the order Entomoplasmatales: proposal for an emended order Mycoplasmatales containing the family Spiroplasmataceae and emended family Mycoplasmataceae comprised of six genera. Antonie Van Leeuwenhoek 2019; 112:561-588.
  • The type species of this genus has alternatively been placed in the genus Acholeplasma Edward and Freundt 1970 (Approved Lists 1980). Publication: McCoy RE, Basham HG, Tully JG, Rose DL, Carle P, Bové JM. Acholeplasma florum, a new species isolated from plants. Int. J. Syst. Bacteriol. 1984; 34:11-15.
  • The type species of this genus has alternatively been placed in the genus Entomoplasma Tully et al. 1993. Publication: Gasparich GE, Kuo CH. Genome analysis-based union of the genus Mesoplasma with the genus Entomoplasma. Int J Syst Evol Microbiol 2019; 69:2735-2738.
  • This taxon name is occasionally misprinted in some sources as: "Mesoplusma".
  • 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.
  • The phylogenomic assignment score of this taxon is 0.15756 (N = 1).
  • The BRCs most frequently used for deposits in this group are: ATCC: 13; NCTC: 4; NBRC: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 12
Number of child taxa with a validly published name, including synonyms: 13
Total number of child taxa: 13

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Mesoplasma chauliocola Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma coleopterae Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma corruscae Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma entomophilum (Tully et al. 1988) Tully et al. 1993	validly published under the ICNP	correct name
    Mesoplasma florum (McCoy et al. 1984) Tully et al. 1993	validly published under the ICNP	correct name
    Mesoplasma grammopterae Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma lactucae (Rose et al. 1990) Tully et al. 1993	validly published under the ICNP	correct name
    Mesoplasma melaleucae (Tully et al. 1990) Gupta et al. 2019	validly published under the ICNP	correct name
    Mesoplasma photuris Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma pleciae Tully et al. 1994	validly published under the ICNP	synonym
    Mesoplasma seiffertii (Bonnet et al. 1991) Tully et al. 1993	validly published under the ICNP	correct name
    Mesoplasma syrphidae Tully et al. 1994	validly published under the ICNP	correct name
    Mesoplasma tabanidae Tully et al. 1994	validly published under the ICNP	correct name

Parent taxon: Entomoplasmataceae Tully et al. 1993

Assigned by: Tully JG, Bové JM, Laigret F, Whitcomb RF. Revised taxonomy of the class Mollicutes: proposed elevation of a monophyletic cluster of arthropod-associated mollicutes to ordinal rank (Entomoplasmatales ord. nov.), with provision for familial rank to separate species with nonhelical morphology (Entomoplasmataceae fam. nov.) from helical species (Spiroplasmataceae), and emended descriptions of the order Mycoplasmatales, family Mycoplasmataceae. Int. J. Syst. Bacteriol. 1993; 43:378-385.

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Record number: 517276