Species ***Mycobacterium* *heidelbergense***

Name: Mycobacterium heidelbergense Haas et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: hei.del.ber.gen’se. N.L. neut. adj. heidelbergense, of or belonging to Heidelberg, Germany, the source of the strain on which the description of the species is based

Pronunciation, gender: he͡i-del-ber-GEN-se, neuter

Type strain: 2554/91; ATCC 51253; CIP 105424; DSM 44471; JCM 14842

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ000684 Analyse FASTA

Effective publication: Haas WH, Butler WR, Kirschner P, Plikaytis BB, Coyle MB, Amthor B, Steigerwalt AG, Brenner DJ, Salfinger M, Crawford JT, et al. A new agent of mycobacterial lymphadenitis in children: Mycobacterium heidelbergense sp. nov. J Clin Microbiol 1997; 35:3203-3209. 🇩🇪

IJSEM list: Anonymous. Validation list no. 65. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:627.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Emendations:
- 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 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 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 4 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.
- 🧍 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: Mycobacterium Lehmann and Neumann 1896 (Approved Lists 1980)

Assigned by: Haas WH, Butler WR, Kirschner P, Plikaytis BB, Coyle MB, Amthor B, Steigerwalt AG, Brenner DJ, Salfinger M, Crawford JT, et al. A new agent of mycobacterial lymphadenitis in children: Mycobacterium heidelbergense sp. nov. J Clin Microbiol 1997; 35:3203-3209. 🇩🇪

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Record number: 778460

This LPSN page was printed on 2026-01-12 20:29:26

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Species Mycobacterium heidelbergense

Species ***Mycobacterium* *heidelbergense***