Name: Butyricimonas virosa Sakamoto et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: vi.ro’sa. L. fem. adj. virosa, fetid, stinking

Gender: feminine

Type strain: CCUG 56611; DSM 23226; JCM 15149; MT12

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB443949 Analyse FASTA

Valid publication: Sakamoto M, Takagaki A, Matsumoto K, Kato Y, Goto K, Benno Y. Butyricimonas synergistica gen. nov., sp. nov. and Butyricimonas virosa sp. nov., butyric acid-producing bacteria in the family 'Porphyromonadaceae' isolated from rat faeces. Int J Syst Evol Microbiol 2009; 59:1748-1753.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 7 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2381-2382.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Sakamoto et al. 2014 Sakamoto M, Tanaka Y, Benno Y, Ohkuma M. Butyricimonas faecihominis sp. nov. and Butyricimonas paravirosa sp. nov., isolated from human faeces, and emended description of the genus Butyricimonas. Int J Syst Evol Microbiol 2014; 64:2992-2997. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 9 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3923-3925.
  • Hahnke et al. 2016 Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.
  • Le Roy et al. 2019 Le Roy T, Van der Smissen P, Paquot A, Delzenne N, Muccioli GG, Collet JF, Cani PD. Butyricimonas faecalis sp. nov., isolated from human faeces and emended description of the genus Butyricimonas. Int J Syst Evol Microbiol 2019; 69:833-838. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 3 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1529-1530.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 22 times in PubMed until 2024-03-28.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Butyricimonas Sakamoto et al. 2009

Assigned by: Sakamoto M, Takagaki A, Matsumoto K, Kato Y, Goto K, Benno Y. Butyricimonas synergistica gen. nov., sp. nov. and Butyricimonas virosa sp. nov., butyric acid-producing bacteria in the family 'Porphyromonadaceae' isolated from rat faeces. Int J Syst Evol Microbiol 2009; 59:1748-1753.

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Record number: 787963