Name: Klebsiella grimontii Passet and Brisse 2018

Category: Species

Proposed as: sp. nov.

Etymology: gri.mon’ti.i. N.L. gen. masc. n. grimontii, referring to Patrick A.D. Grimont, a French microbiologist with multiple contributions to the taxonomy of Enterobacteriaceae, including Klebsiella, and other bacterial groups

Pronunciation, gender: gri-MON-ti-i, feminine

Type strain: 06D021; CIP 111401; DSM 105630; strain SB73

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ871861 Analyse FASTA

Valid publication: Passet V, Brisse S. Description of Klebsiella grimontii sp. nov. Int J Syst Evol Microbiol 2018; 68:377-381. 🇫🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 1 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:979-981.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 31 times in PubMed until 2025-06-04.
  • 🙆 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 species itself.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Klebsiella Trevisan 1885 (Approved Lists 1980)

Assigned by: Passet V, Brisse S. Description of Klebsiella grimontii sp. nov. Int J Syst Evol Microbiol 2018; 68:377-381. 🇫🇷

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Record number: 797490