Name: Leptotrichia trevisanii Tee et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: tre.vis.an’i.i. N.L. gen. masc. n. trevisanii, of Trevisan, who proposed the genus Leptotrichia in 1879

Gender: feminine

Type strain: ATCC 700907; DSM 22070; "Wee Tee" 1999

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF206305 Analyse FASTA

Effective publication: Tee W, Midolo P, Janssen PH, Kerr T, Dyall-Smith ML. Bacteremia due to Leptotrichia trevisanii sp. nov. Eur J Clin Microbiol Infect Dis 2001; 20:765-769.

IJSEM list: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🎓 Name mentioned 13 times in PubMed until 2024-03-27.
  • 🧍 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 2022; 168:0.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.
  • 🧍 At the time of publication, the type strain was not deposited in two publicly accessible service collections in different countries, and Leptotrichia trevisanii Tee et al. 2002 was not validly published [Rules 27(3) and 30]. However, according to the Judicial Opinion 81, Leptotrichia trevisanii Tee et al. 2002 is now considered to be validly published, since deposit in a second culture collection in a different country has been documented. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.
  • 🧍 On Validation List no. 85, the last author, Dyall-Smith ML, is missing. — Dyall-Smith ML. Personal communication, 2010-01-08.

Parent taxon: Leptotrichia Trevisan 1879 (Approved Lists 1980)

Assigned by: Tee W, Midolo P, Janssen PH, Kerr T, Dyall-Smith ML. Bacteremia due to Leptotrichia trevisanii sp. nov. Eur J Clin Microbiol Infect Dis 2001; 20:765-769.

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Record number: 784152