Name: Leptotrichia hongkongensis Woo et al. 2011

Category: Species

Proposed as: sp. nov.

Etymology: hong.kong.en’sis. N.L. fem. adj. hongkongensis, of or belonging to Hong Kong, where the type strain was isolated

Pronunciation (Latin), gender: lep-to-TRI-k^hi-a hon͡g-kon͡g-EN-sis, feminine

Type strain: CCUG 59534; DSM 23441; HKU24

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU919515 Analyse FASTA

Effective publication: Woo PC, Wong SS, Teng JL, Leung KW, Ngan AH, Zhao DQ, Tse H, Lau SK, Yuen KY. Leptotrichia hongkongensis sp. nov., a novel Leptotrichia species with the oral cavity as its natural reservoir. J Zhejiang Univ Sci B 2010; 11:391-401. 🇨🇳

IJSEM list: Euzeby JP. Validation list no. 139. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2011; 61:1011-1013.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 6 times in PubMed until 2026-06-11.
  • 🙆 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 a putative 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. 🇬🇧
  • 🧍 The accession numbers CCUG 59534 and DSM 23441 have been provided at the time of request for valid publication of the name. Publication: Euzeby JP. Validation list no. 139. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2011; 61:1011-1013.

Parent taxon: Leptotrichia Trevisan 1879 (Approved Lists 1980)

Assigned by: Woo PC, Wong SS, Teng JL, Leung KW, Ngan AH, Zhao DQ, Tse H, Lau SK, Yuen KY. Leptotrichia hongkongensis sp. nov., a novel Leptotrichia species with the oral cavity as its natural reservoir. J Zhejiang Univ Sci B 2010; 11:391-401. 🇨🇳

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Record number: 789119