Name: Actinobaculum suis (Wegienek and Reddy 1982 ex Soltys and Spratling 1957) Lawson et al. 1997

Category: Species

Proposed as: comb. nov.

Basonym: Eubacterium suis (ex Soltys and Spratling 1957) Wegienek and Reddy 1982

Etymology: su’is. L. gen. masc./fem. n. suis, of a hog, of a pig

Pronunciation (Latin), gender: ak-ti-no-BA-ku-lum SU-is, neuter

Type strain: 50052; ATCC 33144; CIP 105361; DSM 20639; Soltys 50052

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: S83623 Analyse FASTA

Valid publication: Lawson PA, Falsen E, Akervall E, Vandamme P, Collins MD. Characterization of some Actinomyces-like isolates from human clinical specimens: reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov. and description of Actinobaculum schaalii sp. nov. Int J Syst Bacteriol 1997; 47:899-903. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 3 of the IJSB. Int J Syst Bacteriol 1997; 47:1275-1276.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Eubacterium suis (ex Soltys and Spratling 1957) Wegienek and Reddy 1982	homotypic synonym, validly published under the ICNP
    Actinomyces suis (Wegienek and Reddy 1982 ex Soltys and Spratling 1957) Ludwig et al. 1992	homotypic synonym, validly published under the ICNP

• Emendations:
  • Yassin et al. 2015 Yassin AF, Sproer C, Pukall R, Sylvester M, Siering C, Schumann P. Dissection of the genus Actinobaculum: Reclassification of Actinobaculum schaalii Lawson et al. 1997 and Actinobaculum urinale Hall et al. 2003 as Actinotignum schaalii gen. nov., comb. nov. and Actinotignum urinale comb. nov., description of Actinotignum sanguinis sp. nov. and emended descriptions of the genus Actinobaculum and Actinobaculum suis; and re-examination of the culture deposited as Actinobaculum massiliense CCUG 47753T ( = DSM 19118T), revealing that it does not represent a strain of this species. Int J Syst Evol Microbiol 2015; 65:615-624. 🇩🇪 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 2 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:1397-1399.
  • Nouioui et al. 2018 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. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 🥇 Nomenclatural type of the genus Actinobaculum Lawson et al. 1997. Publication: Lawson PA, Falsen E, Akervall E, Vandamme P, Collins MD. Characterization of some Actinomyces-like isolates from human clinical specimens: reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov. and description of Actinobaculum schaalii sp. nov. Int J Syst Bacteriol 1997; 47:899-903. 🇬🇧
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2, note = "t". — 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 10 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 species itself.

Parent taxon: Actinobaculum Lawson et al. 1997

Assigned by: Lawson PA, Falsen E, Akervall E, Vandamme P, Collins MD. Characterization of some Actinomyces-like isolates from human clinical specimens: reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov. and description of Actinobaculum schaalii sp. nov. Int J Syst Bacteriol 1997; 47:899-903. 🇬🇧

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.772664Copy to clipboardLink copied to clipboard

Record number: 772664