Name: Pseudoxanthomonas spadix Young et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: spa’dix. L. fem. adj. spadix, date-brown, date-coloured, referring to the brown pigment produced by the organism

Pronunciation (Latin), gender: … SPA-diks, feminine

Type strain: CCUG 53828; DSM 18855; IMMIB AFH-5

Conduct genome-based taxonomy at

16S rRNA gene: AM418384 Analyse FASTA

Valid publication: Young CC, Ho MJ, Arun AB, Chen WM, Lai WA, Shen FT, Rekha PD, Yassin AF. Pseudoxanthomonas spadix sp. nov., isolated from oil-contaminated soil. Int J Syst Evol Microbiol 2007; 57:1823-1827. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 8 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:2451-2452.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Emendations:
  • Bernard et al. 2020 Bernard KA, Vachon A, Pacheco AL, Burdz T, Wiebe D, Beniac DR, Hiebert SL, Booth T, Doyle DA, Lawson P, et al. Pseudoxanthomonas winnipegensis sp. nov., derived from human clinical materials and recovered from cystic fibrosis and other patient types in Canada, and emendation of Pseudoxanthomonas spadix Young et al. 2007. Int J Syst Evol Microbiol 2020; 70:6313-6322. 🇨🇦 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 12 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4656.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.01182 (N = 5).
  • 😷 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. — 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 7 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 other species in the genus.

Parent taxon: Pseudoxanthomonas Finkmann et al. 2000

Assigned by: Young CC, Ho MJ, Arun AB, Chen WM, Lai WA, Shen FT, Rekha PD, Yassin AF. Pseudoxanthomonas spadix sp. nov., isolated from oil-contaminated soil. Int J Syst Evol Microbiol 2007; 57:1823-1827. 🇩🇪

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Record number: 786589