Name: Propionimicrobium lymphophilum (Torrey 1916) Stackebrandt et al. 2002

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus lymphophilus" Torrey 1916

Etymology: lym.pho’phi.lum. L. fem. n. lympha, water, clear water, and in biology lymph; N.L. neut. adj. suff. -philum, friend, loving; from Gr. neut. adj. philon, friend; N.L. neut. adj. lymphophilum, lymph-loving

Pronunciation (Latin), gender: … lym-P^HO-p^hi-lum, neuter

Type strain: ATCC 27520; CCUG 27816; CIP 103263; DSM 4903; JCM 5829; LMG 16728; NCTC 11866; VPI 7625B

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ003056 Analyse FASTA

Valid publication: Stackebrandt E, Schumann P, Schaal KP, Weiss N. Propionimicrobium gen. nov., a new genus to accommodate Propionibacterium lymphophilum (Torrey 1916) Johnson and Cummins 1972, 1057AL as Propionimicrobium lymphophilum comb. nov. Int J Syst Evol Microbiol 2002; 52:1925-1927. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 6 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:375-376.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacillus lymphophilus" Torrey 1916	homotypic synonym, not validly published, basonym of name in Approved Lists
    Propionibacterium lymphophilum (Torrey 1916) Johnson and Cummins 1972 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Propionimicrobium Stackebrandt et al. 2002. Publication: Stackebrandt E, Schumann P, Schaal KP, Weiss N. Propionimicrobium gen. nov., a new genus to accommodate Propionibacterium lymphophilum (Torrey 1916) Johnson and Cummins 1972, 1057AL as Propionimicrobium lymphophilum comb. nov. Int J Syst Evol Microbiol 2002; 52:1925-1927. 🇩🇪
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 14 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 risk group of the species itself.
  • 🧍 In the paper by Stackebrandt et al. 2002, the type strain DSM 4903 is erroneously cited as DSM 4309. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592. 🇫🇷
  • 🧍 The DSMZ accession number of the type strain should read DSM 4903, not DSM 4309 as cited. — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.

Parent taxon: Propionimicrobium Stackebrandt et al. 2002

Assigned by: Stackebrandt E, Schumann P, Schaal KP, Weiss N. Propionimicrobium gen. nov., a new genus to accommodate Propionibacterium lymphophilum (Torrey 1916) Johnson and Cummins 1972, 1057AL as Propionimicrobium lymphophilum comb. nov. Int J Syst Evol Microbiol 2002; 52:1925-1927. 🇩🇪

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Record number: 779843