Species Acidovorax caeni

Name: Acidovorax caeni Heylen et al. 2008

Category, proposed as: species, sp. nov.

Etymology: cae’ni. L. gen. neut. n. caeni, of sludge

Pronunciation (Latin), gender: a-ki-DO-wo-rax KA͡E-ni, masculine

Type strain: DSM 19327; LMG 24103; R-24608

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AM084006 Analyse FASTA

Valid publication: Heylen K, Lebbe L, De Vos P. Acidovorax caeni sp. nov., a denitrifying species with genetically diverse isolates from activated sludge. Int J Syst Evol Microbiol 2008; 58:73-77. 🇧🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 1 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:747-748.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Paenacidovorax caeni (Heylen et al. 2008) Du et al. 2023	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.05452 (N = 26).
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 11 times in PubMed until 2026-06-11.
  • 🙆 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 risk group of the genus.

Parent taxon: Acidovorax Willems et al. 1990

Assigned by: Heylen K, Lebbe L, De Vos P. Acidovorax caeni sp. nov., a denitrifying species with genetically diverse isolates from activated sludge. Int J Syst Evol Microbiol 2008; 58:73-77. 🇧🇪

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Record number: 787106