Species ***Clostridium* *leptum***

Name: Clostridium leptum Moore et al. 1976 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: lep.tum. Gr. masc. adj. leptos, thin, delicate; N.L. neut. adj. leptum, thin, delicate, referring to the morphological appearance of the cells

Gender: neuter

Type strain: ATCC 29065; CCUG 48287; DSM 753; VPI T7

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ305238 Analyse FASTA

Effective publication: Moore WEC, Johnson JL, Holdeman LV. Emendation of Bacteriodaceae and Butyrivibrio and descriptions of Desulfomonas gen. nov. and ten new species in the genera Desulfomonas, Butyrivibrio, Eubacterium, Clostridium, and Ruminococcus. International Journal of Systematic Bacteriology 1976; 26:238-252.

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 (and explicitly recommended for medical use)

Risk group: 1

Notes:
- 🧬 The phylogenomic assignment score of this taxon is -0.04985 (N = 37).
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 231 times in PubMed until 2024-03-27.
- 🙆 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.
- 🧍 According to Ludwig et al. (2021), this "species needs reclassification as for C. jeddahense". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Moore WEC, Johnson JL, Holdeman LV. Emendation of Bacteriodaceae and Butyrivibrio and descriptions of Desulfomonas gen. nov. and ten new species in the genera Desulfomonas, Butyrivibrio, Eubacterium, Clostridium, and Ruminococcus. International Journal of Systematic Bacteriology 1976; 26:238-252.

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Record number: 774917

This LPSN page was printed on 2025-05-12 05:02:09

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Species Clostridium leptum

Species ***Clostridium* *leptum***