Name: Facklamia sourekii Collins et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: so’u.rek.i.i. N.L. gen. masc. n. sourekii, named after the late J. Sourek, curator of the CNCTC, Czech Republic

Gender: feminine

Type strain: ATCC 700629; CCUG 28783; CCUG 28783 A; CIP 105940; de Moor M13582; LMG 18982; SS 1019

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y17312 Analyse FASTA

Valid publication: Collins MD, Hutson RA, Falsen E, Sjoden B. Facklamia sourekii sp. nov., isolated from human sources. Int J Syst Bacteriol 1999; 49:635-638.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 2 of the IJSB. Int J Syst Bacteriol 1999; 49:937-939.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Hutsoniella sourekii (Collins et al. 1999) Fotedar et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.04818 (N = 5).
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🎓 Name mentioned 6 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.

Parent taxon: Facklamia Collins et al. 1997

Assigned by: Collins MD, Hutson RA, Falsen E, Sjoden B. Facklamia sourekii sp. nov., isolated from human sources. Int J Syst Bacteriol 1999; 49:635-638.

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Record number: 783829