Name: Christensenella minuta Morotomi et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: mi.nu’ta. L. fem. part. adj. minuta, little, small, minute, referring to the cell and colony size

Pronunciation (Latin), gender: k^hris-ten-se-NEL-la mi-NU-ta, feminine

Type strain: DSM 22607; JCM 16072; YIT 12065

Conduct genome-based taxonomy at

16S rRNA gene: AB490809 Analyse FASTA

Valid publication: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 1 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:757-758.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Christensenella Morotomi et al. 2012. Publication: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149. 🇯🇵
  • 😷 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 55 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 pathogenicity of other species in the genus.
  • 🧍 See also Ignatyeva et al. (2023). Publication: Ignatyeva O, Tolyneva D, Kovalyov A, Matkava L, Terekhov M, Kashtanova D, Zagainova A, Ivanov M, Yudin V, Makarov V, et al. Christensenella minuta, a new candidate next-generation probiotic: current evidence and future trajectories. Frontiers in Microbiology 2024; 14:0. 🇷🇺

Parent taxon: Christensenella Morotomi et al. 2012

Assigned by: Morotomi M, Nagai F, Watanabe Y. Description of Christensenella minuta gen. nov., sp. nov., isolated from human faeces, which forms a distinct branch in the order Clostridiales, and proposal of Christensenellaceae fam. nov. Int J Syst Evol Microbiol 2012; 62:144-149. 🇯🇵

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Record number: 789615