Species Actinomyces meyeri

Name: Actinomyces meyeri (ex Prévot 1938) Cato et al. 1984

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: mey’e.ri. N.L. gen. masc. n. meyeri, of Meyer, to honor Kurt F. Meyer, a German bacteriologist, who described the organism as a "new anaerobic Streptothrix species" in 1911

Pronunciation (Latin), gender: ak-ti-NO-my-kes MEY-e-ri, masculine

Type strain: ATCC 35568; CCUG 21024; CIP 103148; DSM 20733; LMG 16161; NCTC 14282; Prévot 2477B; VPI 8617

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X82451 Analyse FASTA

Valid publication: Cato EP, Moore WEC, Nygaard G, Holdeman LV. Actinomyces meyeri sp. nov., specific epithet rev. Int. J. Syst. Bacteriol. 1984; 34:487-489. 🇺🇸

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Schaalia meyeri (Cato et al. 1984 ex Prévot 1938) Nouioui et al. 2018

Risk group: 2

Synonyms:

Name	Kind
Schaalia meyeri (Cato et al. 1984 ex Prévot 1938) Nouioui et al. 2018	homotypic synonym, validly published under the ICNP

Notes:
- ❗ Actinomyces meyeri is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Actinomyces.
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2026-08-13. 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 132 times in PubMed until 2026-06-11.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
- 🧍 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 (Reading) 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. 🇩🇪
- 🧍 Nom. rev. / basonym "Actinobacterium meyeri".

Parent taxon: Actinomyces Harz 1877 (Approved Lists 1980)

Assigned by: Cato EP, Moore WEC, Nygaard G, Holdeman LV. Actinomyces meyeri sp. nov., specific epithet rev. Int. J. Syst. Bacteriol. 1984; 34:487-489. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.772794Link copied to clipboard

Record number: 772794

This LPSN page was printed on 2026-09-04 22:30:33

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Species Actinomyces meyeri