Name: Rectinemataceae Brune et al. 2022

Category: Family

Proposed as: fam. nov.

Etymology: Rec.ti.ne.ma.ta.ce’ae. N.L. neut. n. Rectinema, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Rectinemataceae, the family Rectinema

Gender: feminine

Type genus: Rectinema Koelschbach et al. 2017

Valid publication: Brune A, Song Y, Oren A, Paster BJ. A new family for 'termite gut treponemes': description of Breznakiellaceae fam. nov., Gracilinema caldarium gen. nov., comb. nov., Leadbettera azotonutricia gen. nov., comb. nov., Helmutkoenigia isoptericolens gen. nov., comb. nov., and Zuelzera stenostrepta gen. nov., comb. nov., and proposal of Rectinemataceae fam. nov. Int J Syst Evol Microbiol 2022; 72:5439.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 72, part 5 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5476.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Treponemataceae Robinson 1948 (Approved Lists 1980)

• Synonyms:

  • Name	Kind
    Treponemataceae Robinson 1948 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧒 Brune et al. (2022) assigned the genus Rectinema Koelschbach et al. 2017 to this family. Publication: Brune A, Song Y, Oren A, Paster BJ. A new family for 'termite gut treponemes': description of Breznakiellaceae fam. nov., Gracilinema caldarium gen. nov., comb. nov., Leadbettera azotonutricia gen. nov., comb. nov., Helmutkoenigia isoptericolens gen. nov., comb. nov., and Zuelzera stenostrepta gen. nov., comb. nov., and proposal of Rectinemataceae fam. nov. Int J Syst Evol Microbiol 2022; 72:5439.
  • 🛺 The type genus of this family has been placed in the family Treponemataceae Robinson 1948 (Approved Lists 1980). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
  • 🚃 The type genus of this family has alternatively been placed in the family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980). Publication: Koelschbach JS, Mouttaki H, Pickl C, Heipieper HJ, Rachel R, Lawson PA, Meckenstock RU. Rectinema cohabitans gen. nov., sp. nov., a rod-shaped spirochaete isolated from an anaerobic naphthalene-degrading enrichment culture. Int J Syst Evol Microbiol 2017; 67:1288-1295.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. The phrase "validly described" is misleading. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • ❗ Rectinemataceae is the correct name instead if this family is regarded as a separate family (i.e., if its nomenclatural type is not assigned to another family whose name is validly published, legitimate and not rejected and has priority).
  • 🧍 As of 2022-06-16 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.
  • 🧍 See also Song et al. (2021). Publication: Song Y, Herve V, Radek R, Pfeiffer F, Zheng H, Brune A. Characterization and phylogenomic analysis of Breznakiella homolactica gen. nov. sp. nov. indicate that termite gut treponemes evolved from non-acetogenic spirochetes in cockroaches. Environ Microbiol 2021; 23:4228-4245.

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Record number: 26433