Name: Zuelzera stenostrepta (Zuelzer 1912) Brune et al. 2022

Category: Species

Proposed as: comb. nov.

Basonym: Spirochaeta stenostrepta corrig. Zuelzer 1912 (Approved Lists 1980)

Etymology: ste.no.strep’ta. Gr. masc. adj. stenos, narrow; Gr. masc. adj. streptos, pliant, bent; N.L. fem. adj. stenostrepta, tightly coiled

Pronunciation, gender: ste-no-STREP-ta, feminine

Type strain: ATCC 25083; DSM 2028; JCM 16534

See detailed strain information at

16S rRNA gene: AB541984 Analyse FASTA

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 (and not recommended for medical use)

Correct name: Treponema stenostreptum corrig. (Zuelzer 1912) Abt et al. 2013

• Synonyms:

  • Name	Kind
    Treponema stenostreptum corrig. (Zuelzer 1912) Abt et al. 2013	homotypic synonym, validly published under the ICNP
    Treponema stenostrepta (Zuelzer 1912) Abt et al. 2013	homotypic synonym, inaccurate spelling
    Spirochaeta stenostrepta corrig. Zuelzer 1912 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Spirochaeta stenostreptum Zuelzer 1912 (Approved Lists 1980)	homotypic synonym, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Zuelzera Brune et al. 2022. 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 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.
  • ❗ Zuelzera stenostrepta is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Zuelzera.
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 As of 2022-08-12 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

Parent taxon: Zuelzera Brune et al. 2022

Assigned by: 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.

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Record number: 28803