Name: Longicatena caecimuris Lagkouvardos et al. 2016

Category: Species

Proposed as: sp. nov.

Etymology: cae.ci.mu’ris. L. neut. n. caecum, caecum (can be noun or adjective); L. gen. masc./fem. n. muris, of a mouse; N.L. gen. masc./fem. n. caecimuris, from the caecum of a mouse

Pronunciation (Latin), gender: lon-gi-ka-TE-na ka͡e-ki-MU-ris, feminine

Type strain: DSM 29481; KCTC 15535; PG-426-CC-2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KR364771 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

• Notes:
  • 🥇 Nomenclatural type of the genus Longicatena 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 5 times in PubMed until 2026-06-11.
  • 🧍 Misprinted as "Longicatena muris" in the genus description in the publication. Publication: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612. 🇩🇪

Parent taxon: Longicatena 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: 793537