Species Muribaculum intestinale

Name: Muribaculum intestinale Lagkouvardos et al. 2016

Category, proposed as: species, sp. nov.

Etymology: in.tes.ti.na’le. N.L. neut. adj. intestinale, pertaining to the intestines

Pronunciation (Latin), gender: mu-ri-BA-ku-lum in-tes-ti-NA-le, neuter

Type strain: DSM 28989; KCTC 15537; YL27

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KR364784 Analyse FASTA

Effective publication: Lagkouvardos I, Pukall R, Abt B, Foesel BU, Meier-Kolthoff JP, Kumar N, Bresciani A, Martinez I, Just S, Ziegler C, et al. The Mouse Intestinal Bacterial Collection (miBC) provides host-specific insight into cultured diversity and functional potential of the gut microbiota. Nat Microbiol 2016; 1:16131. 🇩🇪

IJSEM list: Oren A, Garrity GM. Validation list no. 172. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:4299-4305.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Park et al. 2021 Park JK, Chang DH, Rhee MS, Jeong H, Song J, Ku BJ, Kim SB, Lee M, Kim BC. Heminiphilus faecis gen. nov., sp. nov., a member of the family Muribaculaceae, isolated from mouse faeces and emended description of the genus Muribaculum. Antonie Van Leeuwenhoek 2021; 114:275-286. 🇰🇷 Oren A, Garrity GM. List of changes in taxonomic opinion no. 34. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2021; 71:4816.
    Notes:
    • 😢 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. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.

• Notes:
  • 🥇 Nomenclatural type of the genus Muribaculum Lagkouvardos et al. 2016. Publication: Lagkouvardos I, Pukall R, Abt B, Foesel BU, Meier-Kolthoff JP, Kumar N, Bresciani A, Martinez I, Just S, Ziegler C, et al. The Mouse Intestinal Bacterial Collection (miBC) provides host-specific insight into cultured diversity and functional potential of the gut microbiota. Nat Microbiol 2016; 1:16131. 🇩🇪
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪

Parent taxon: Muribaculum Lagkouvardos et al. 2016

Assigned by: Lagkouvardos I, Pukall R, Abt B, Foesel BU, Meier-Kolthoff JP, Kumar N, Bresciani A, Martinez I, Just S, Ziegler C, et al. The Mouse Intestinal Bacterial Collection (miBC) provides host-specific insight into cultured diversity and functional potential of the gut microbiota. Nat Microbiol 2016; 1:16131. 🇩🇪

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Record number: 793550