Name: Klebsiella pasteurii Merla et al. 2020

Category: Species

Proposed as: sp. nov.

Etymology: pas.teu’ri.i. N.L. gen. masc. n. pasteurii, referring to Louis Pasteur, a French microbiologist, who made seminal contributions to microbiology and infectious diseases, vaccination and pasteurization. He contributed decisively to disprove the theory of the spontaneous generation of microbes

Pronunciation, gender: … pas-TE͡U-ri-i, feminine

Type strain: CIP 111696; DSM 109530; SB6412; SPARK836C1

Conduct genome-based taxonomy at

16S rRNA gene: MN091366 Analyse FASTA

Effective publication: Merla C, Rodrigues C, Passet V, Corbella M, Thorpe HA, Kallonen TVS, Zong Z, Marone P, Bandi C, Sassera D, et al. Description of Klebsiella spallanzanii sp. nov. and of Klebsiella pasteurii sp. nov. Front Microbiol 2019; 10:2360. 🇫🇷

IJSEM list: Oren A, Garrity GM. Validation list no. 192. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:1443-1446.

Nomenclatural status: validly published under the ICNP

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

• Notes:
  • 🎓 Name mentioned 9 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 pathogenicity 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: Merla C, Rodrigues C, Passet V, Corbella M, Thorpe HA, Kallonen TVS, Zong Z, Marone P, Bandi C, Sassera D, et al. Description of Klebsiella spallanzanii sp. nov. and of Klebsiella pasteurii sp. nov. Front Microbiol 2019; 10:2360. 🇫🇷

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Record number: 5622