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Species Rickettsia bellii
Name: Rickettsia bellii Philip et al. 1983
Etymology: bel’li.i. N.L. gen. masc. n. bellii, of Bell, named in honor of a rickettsiologist E. John Bell, who first isolated the organism
Pronunciation (Latin), gender: … BEL-li-i, feminine
Conduct genome-based taxonomy at
Valid publication:
Philip RN, Casper EA, Anacker RL, Cory J, Hayes SF, Burgdorfer W, Yunker CE. Rickettsia bellii sp. nov.: a tick-borne rickettsia, widely distributed in the United States, that is distinct from the spotted fever and typhus biogroups. Int. J. Syst. Bacteriol. 1983; 33:94-106. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Emendations:
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Hördt et al. 2020
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
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Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
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Hördt et al. 2020
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
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Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.23154 (N = 2).
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 3, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 3. — The risk group for Germany has been imported on 2023-10-29. 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 155 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.
Parent taxon: Rickettsia da Rocha-Lima 1916 (Approved Lists 1980)
Assigned by:
Philip RN, Casper EA, Anacker RL, Cory J, Hayes SF, Burgdorfer W, Yunker CE. Rickettsia bellii sp. nov.: a tick-borne rickettsia, widely distributed in the United States, that is distinct from the spotted fever and typhus biogroups. Int. J. Syst. Bacteriol. 1983; 33:94-106.
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/rickettsia-belliiLink copied to clipboard
Record number: 784784
This LPSN page was printed on 2026-03-06 18:54:50