Name: Kerstersia gyiorum Coenye et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: gy.i.o’rum. Gr. neut. n. guîon, limb; N.L. gen. neut. pl. n. gyiorum, from the limbs, referring to the fact that the majority of strains were isolated from human leg wounds

Gender: feminine

Type strain: API 184; API 184-2-84; CCUG 47000; DSM 16618; LMG 5906

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY131213 Analyse FASTA

Valid publication: Coenye T, Vancanneyt M, Cnockaert MC, Falsen E, Swings J, Vandamme P. Kerstersia gyiorum gen. nov., sp. nov., a novel Alcaligenes faecalis-like organism isolated from human clinical samples, and reclassification of Alcaligenes denitrificans Ruger and Tan 1983 as Achromobacter denitrificans comb. nov. Int J Syst Evol Microbiol 2003; 53:1825-1831.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 6 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:309-311.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 🥇 Nomenclatural type of the genus Kerstersia Coenye et al. 2003. Publication: Coenye T, Vancanneyt M, Cnockaert MC, Falsen E, Swings J, Vandamme P. Kerstersia gyiorum gen. nov., sp. nov., a novel Alcaligenes faecalis-like organism isolated from human clinical samples, and reclassification of Alcaligenes denitrificans Ruger and Tan 1983 as Achromobacter denitrificans comb. nov. Int J Syst Evol Microbiol 2003; 53:1825-1831.
  • 😷 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 = 2.
  • 🎓 Name mentioned 20 times in PubMed until 2024-03-28.
  • 🧍 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.

Parent taxon: Kerstersia Coenye et al. 2003

Assigned by: Coenye T, Vancanneyt M, Cnockaert MC, Falsen E, Swings J, Vandamme P. Kerstersia gyiorum gen. nov., sp. nov., a novel Alcaligenes faecalis-like organism isolated from human clinical samples, and reclassification of Alcaligenes denitrificans Ruger and Tan 1983 as Achromobacter denitrificans comb. nov. Int J Syst Evol Microbiol 2003; 53:1825-1831.

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Record number: 777091