Species ***Treponema* *azotonutricium***

Name: Treponema azotonutricium Graber et al. 2004

Category: Species

Proposed as: sp. nov.

Etymology: a.zo.to.nu.tri’ci.um. N.L. neut. n. azotum, nitrogen (from French azote); L. neut. adj. nutricium, nourishing; N.L. neut. adj. azotonutricium, nourishing with nitrogen [symbiotic dinitrogen fixation]

Pronunciation (Latin), gender: tre-po-NE-ma a-zo-to-nu-TRI-ki-um, neuter

Type strain: ATCC BAA-888; DSM 13862; ZAS-9

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF320287 Analyse FASTA

Effective publication: Graber JR, Leadbetter JR, Breznak JA. Description of Treponema azotonutricium sp. nov. and Treponema primitia sp. nov., the first spirochetes isolated from termite guts. Appl Environ Microbiol 2004; 70:1315-1320. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 97. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2004; 54:631-632.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

Synonyms:

Name	Kind
Leadbettera azotonutricia (Graber et al. 2004) Brune et al. 2022	homotypic synonym, validly published under the ICNP

Notes:
- 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 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.
- 🎓 Name mentioned 2 times in PubMed until 2026-06-11.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). 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. 🇩🇪

Parent taxon: Treponema Schaudinn 1905 (Approved Lists 1980)

Assigned by: Graber JR, Leadbetter JR, Breznak JA. Description of Treponema azotonutricium sp. nov. and Treponema primitia sp. nov., the first spirochetes isolated from termite guts. Appl Environ Microbiol 2004; 70:1315-1320. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.782833Link copied to clipboard

Record number: 782833

This LPSN page was printed on 2026-08-10 08:07:51

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Species Treponema azotonutricium

Species ***Treponema* *azotonutricium***