Name: Propionibacterium acnes subsp. elongatum McDowell et al. 2016

Category: Subspecies

Proposed as: subsp. nov.

Etymology: e.lon.ga’tum. L. neut. part. adj. elongatum, elongated

Gender: neuter

Type strain: JCM 18919; K124; NCTC 13655

Conduct genome-based taxonomy at

16S rRNA gene: AB777861 Analyse FASTA

Valid publication: McDowell A, Barnard E, Liu J, Li H, Patrick S. Emendation of Propionibacterium acnes subsp. acnes (Deiko et al. 2015) and proposal of Propionibacterium acnes type II as Propionibacterium acnes subsp. defendens subsp. nov. Int J Syst Evol Microbiol 2016; 66:5358-5365.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 12 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:525-528.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Cutibacterium acnes subsp. elongatum (Dekio et al. 2015) Dekio et al. 2019

Risk group: 1

• Synonyms:

  • Name	Kind
    Propionibacterium acnes subsp. elongatum Dekio et al. 2015	homotypic synonym, validly published under the ICNP
    Cutibacterium acnes subsp. elongatum (Dekio et al. 2015) Dekio et al. 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🧍 Later isonym of Propionibacterium acnes subsp. elongatum Dekio et al. 2015. Publication: Dekio I, Culak R, Misra R, Gaulton T, Fang M, Sakamoto M, Ohkuma M, Oshima K, Hattori M, Klenk HP, et al. Dissecting the taxonomic heterogeneity within Propionibacterium acnes: proposal for Propionibacterium acnes subsp. acnes subsp. nov. and Propionibacterium acnes subsp. elongatum subsp. nov. Int J Syst Evol Microbiol 2015; 65:4776-4787.

Parent taxon: Propionibacterium acnes (Gilchrist 1900) Douglas and Gunter 1946 (Approved Lists 1980)

Assigned by: McDowell A, Barnard E, Liu J, Li H, Patrick S. Emendation of Propionibacterium acnes subsp. acnes (Deiko et al. 2015) and proposal of Propionibacterium acnes type II as Propionibacterium acnes subsp. defendens subsp. nov. Int J Syst Evol Microbiol 2016; 66:5358-5365.

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Record number: 13189