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Species Actinomyces israelii
Name: Actinomyces israelii (Kruse 1896) Lachner-Sandoval 1898 (Approved Lists 1980)
Basonym: "Streptothrix israeli" Kruse 1896
Etymology: is.rae’li.i. N.L. gen. masc. n. israelii, of Israel, to honor Professor James Israel, a German surgeon, who was one of the original describers of the organism
Pronunciation (Latin), gender: … is-RA͡E-li-i, masculine
Type strain: ATCC 12102; CCUG 18307; CIP 103259; DSM 43320; JCM 12964; NCTC 12972
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
AB849123
Analyse
FASTA
Effective publication: Lachner-Sandoval V. Über Strahlenpilze. Inaugural Dissertation Strassburg. Universitäts Buchdruckerei Von Carl Georgi, Bonn, 1898.
IJSEM list:
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Synonyms:
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Name Kind "Streptothrix israeli" Kruse 1896 homotypic synonym, not validly published, basonym of name in Approved Lists "Actinobacterium israeli" (Kruse 1896) Sampietro 1908 homotypic synonym, not validly published
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Emendations:
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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:- 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.
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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.
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Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.14312 (N = 13).
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "default: 2 human and animal pathogen - biological class of risk animal: 2; Serovar 2: 2 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: 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. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for United Kingdom has been imported on 2024-01-31. 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 556 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.
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🧍 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. 🇬🇧
Parent taxon: Actinomyces Harz 1877 (Approved Lists 1980)
Assigned by: Lachner-Sandoval V. Über Strahlenpilze. Inaugural Dissertation Strassburg. Universitäts Buchdruckerei Von Carl Georgi, Bonn, 1898.
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/actinomyces-israeliiLink copied to clipboard
Record number: 772789
This LPSN page was printed on 2026-03-14 14:41:06