Name: Propionibacterium acidifaciens Downes and Wade 2009

Category: Species

Proposed as: sp. nov.

Etymology: a.ci.di.fa’ci.ens. L. neut. adj. acidum, acid; L. v. facio, to produce; N.L. part. adj. acidifaciens, acid-producing

Gender: neuter

Type strain: C3M_31; CCUG 57100; DSM 21887; JCM 16571

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB565481 Analyse FASTA

Valid publication: Downes J, Wade WG. Propionibacterium acidifaciens sp. nov., isolated from the human mouth. Int J Syst Evol Microbiol 2009; 59:2778-2781.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 11 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:269-270.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.07826 (N = 14).
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🎓 Name mentioned 13 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: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Parent taxon: Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)

Assigned by: Downes J, Wade WG. Propionibacterium acidifaciens sp. nov., isolated from the human mouth. Int J Syst Evol Microbiol 2009; 59:2778-2781.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/propionibacterium-acidifaciensCopy to clipboardLink copied to clipboard

Record number: 788210