Name: Leptonema Hovind-Hougen 1983

Category: Genus

Proposed as: gen. nov.

Etymology: Lep.to.ne’ma. Gr. masc. adj. leptos, thin, narrow, fine; Gr. neut. n. nêma, a filament or thread; N.L. neut. n. Leptonema, a thin filament or thread, describing a bacterium that resembles a thin filament or thread

Gender, pronunciation: neuter (stem: Leptonemat-), lep-to-NE-ma

Type species: Leptonema illini Hovind-Hougen 1983

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Hovind-Hougen K. Leptospiraceae, a new family to include Leptospira Noguchi 1917 and Leptonema gen. nov. Int. J. Syst. Bacteriol. 1979; 29:245-251.

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Leptonemataceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Chuvochina et al. (2023) assigned this genus to the family Leptonemataceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Lepionema"; "Leplonema"; "Leptanema"; "Leptoncma"; "Leptonemu"; "Leptonerna"; "Leptovzema".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Marshall R. INTERNATIONAL COMMITTEE ON SYSTEMATIC BACTERIOLOGY, SUBCOMMITTEE ON THE TAXONOMY OF LEPTOSPIRA: Minutes of the meetings, 13 and 15 September 1990, Osaka, Japan. Int. J. Syst. Bacteriol. 1992; 42:330-334.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 1; NCTC: 1.
  • 🧍 According to Shipunov (2011), this name is a hemihomonym. Publication: Shipunov A. The problem of hemihomonyms and the on-line hemihomonyms database (HHDB). Bionomina 2011; 4:65-72.
  • 🧍 Leptonema Hovind-Hougen 1979 was validly published in the International Journal of Systematic Bacteriology (Int. J. Syst. Bacteriol., 1979, 29, 245-251.) which would qualify it for inclusion in the Approved Lists of Bacterial Names. The omission of this name from the Approved Lists 1980 is clearly not in accordance with the Bacteriological Code (1990 Revision) Rule 24a, Note 1. Publication: Lapage SP, Sneath PHA, Lessel EF, Skerman VBD, Seeliger HPR, Clark WA. International code of nomenclature of bacteria (1990 revision). American Society for Microbiology, Washington, 1992.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Leptonema arcticum" Zinova 1957	not validly published	preferred name
    Leptonema illini Hovind-Hougen 1983	validly published under the ICNP	correct name

Parent taxon: Leptospiraceae Hovind-Hougen 1979 (Approved Lists 1980)

Assigned by: Hovind-Hougen K. Leptospiraceae, a new family to Include Leptospira Noguchi 1917 and Leptonema gen. Nov. International Journal of Systematic Bacteriology 1979; 29:245-251.

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Record number: 517267