Name: Leptothrix Kützing 1843 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. masc. adj. leptos, fine, small; Gr. fem. n. thrix, hair; N.L. fem. n. Leptothrix, fine hair

Gender: feminine (stem: Leptotrich-)

Type species: Leptothrix ochracea (Roth 1797) Kützing 1843 (Approved Lists 1980)

16S rRNA gene: Analyse FASTA

Effective publication: Kützing FT. Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange. Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. F.A. Brockhaus, Leipzig, 1843.

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: 1

• Notes:
  • 🧕 Bergey et al. (1923) assigned this genus to the family "Chlamydobacteriaceae" Migula 1894. Publication: Waksman SA. Genus III. Actinomyces Harz,. In: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM (eds), Bergey's Manual of Determinative Bacteriology, 1st ed., The Williams & Wilkins Co, Baltimore, 1923, p. 339-371.
  • 🧕 Breed et al. (1948) assigned this genus to the family "Chlamydobacteriaceae" Migula 1894. Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • 🧕 Breed et al. (1957) assigned this genus to the family "Chlamydobacteriaceae" Migula 1894. Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧕 Brenner et al. (2005) assigned this genus to the family Comamonadaceae Willems et al. 1991. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1.
  • 🧕 Yilmaz et al. (2014) assigned this genus to the order Burkholderiales Garrity et al. 2006. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • 🚋 The type species of this genus has alternatively been placed in the genus [Conferva]. Publication: Roth AW. Catalecta botanica quibus plantae novae et minus cognitae describuntur atque illustrantur, Fasc. 1. Bibliopolio I.G. Mulleriano, Lipsiae, 1797.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Ieptothrix"; "Laptothrix"; "Lcplothrix"; "Lcptothrix"; "Lefptathrix"; "Leitothrix"; "Lepfothrix"; "Lephothrix"; "Lepiothrix"; "Leplolhrix"; "Leplothrix"; "Leprochrix"; "Leprothrix"; "Leptalhrix"; "Leptathrix"; "Lepthothrix"; "Leptochrix"; "Leptolhrix"; "Leptothiix"; "Leptothria"; "Leptothrie"; "Leptothris"; "Leptothriv"; "Leptotlirix"; "Leptozhrix"; "Lepzothrix"; "Leytothrix"; "Loptothrix"; "Zeptothrix".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 2; LMG: 2; ATCC: 2; NCTC: 2; CIP: 1; CCUG: 1; JCM: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.
  • 🧍 According to Komarek and Golubic (1990) originally assigned to Cyanobacteria but probably belonging to Bacteria. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧍 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.
  • 🧍 Leptothrix Kützing 1843 (Approved Lists 1980) is an earlier homonym of a genus name with standing in the zoological (animal) nomenclature: Leptothrix Menge, 1869. — Crook M. Personal communication, 2021-08-19.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "LPTX" 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: 4
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 11

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Leptothrix buccalis" Robin 1853	not validly published, basonym of name in Approved Lists	synonym
    Leptothrix cholodnii Mulder and van Veen 1963 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Leptothrix coriacea" Kützing 1843	not validly published	synonym
    Leptothrix discophora (ex Schwers 1912) Spring et al. 1997	validly published under the ICNP	correct name
    "Leptothrix ginsengisoli" Baskar et al. 2012	not validly published	synonym
    "Leptothrix ginsengisoli" Ibrahim et al. 2021	not validly published	preferred name
    Leptothrix lopholea Dorff 1934 (Approved Lists 1980)	validly published under the ICNP	correct name
    Leptothrix mobilis Spring et al. 1997	validly published under the ICNP	synonym
    Leptothrix ochracea (Roth 1797) Kützing 1843 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Leptothrix skujae" Beger 1953	not validly published	preferred name
    "Leptothrix trichogenes" Cholodny 1924	not validly published, basonym of name in Approved Lists	synonym

Parent taxon: Sphaerotilaceae Liu et al. 2023

Assigned by: Lu H, Chen L. Ideonella margarita sp. nov., Ideonella lacteola sp. nov., Pseudaquabacterium inlustre sp. nov. and Pseudaquabacterium rugosum sp. nov., isolated from streams in China and re-examining the taxonomic status of all the genera within the family Sphaerotilaceae. Int J Syst Evol Microbiol 2024; 74:6495.

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Record number: 515951