Name: Pseudosphingomonas astaxanthinifaciens (Asker et al. 2008) Wang et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Sphingomonas astaxanthinifaciens Asker et al. 2008

Etymology: as.ta.xan.thi.ni.fa’ci.ens. N.L. neut. n. astaxanthinum, astaxanthin; L. pres. part. faciens, making/producing; N.L. fem. part. adj. astaxanthinifaciens, astaxanthin-producing

Pronunciation, gender: as-ta-ksan-t^hi-ni-FA-ki-ens, feminine

Type strain: CCUG 53608; DSM 22298; NBRC 102146; TDMA-17

Conduct genome-based taxonomy at

16S rRNA gene: AB681719 Analyse FASTA

Valid publication: Wang Y, You H, Kong YH, Sun C, Wu LH, Kim SG, Lee JS, Xu L, Xu XW. Genomic-based taxonomic classification of the order Sphingomonadales. Int J Syst Evol Microbiol 2025; 75:6769. 🇨🇳

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 5 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6824.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Sphingomonas astaxanthinifaciens Asker et al. 2008

• Synonyms:

  • Name	Kind
    Sphingomonas astaxanthinifaciens Asker et al. 2008	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Pseudosphingomonas astaxanthinifaciens is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Pseudosphingomonas.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-03.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Pseudosphingomonas Wang et al. 2025

Assigned by: Wang Y, You H, Kong YH, Sun C, Wu LH, Kim SG, Lee JS, Xu L, Xu XW. Genomic-based taxonomic classification of the order Sphingomonadales. Int J Syst Evol Microbiol 2025; 75:6769. 🇨🇳

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Record number: 65544