Species ***Corynebacterium* *kroppenstedtii***

Name: Corynebacterium kroppenstedtii Collins et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: krop.pen.stedt’i.i. N.L. gen. masc. n. kroppenstedtii, of Kroppenstedt, to honour Reiner M. Kroppenstedt, a contemporary German microbiologist, for his many contributions to the microbiology of actinomycetes

Gender: neuter

Type strain: CCUG 35717; CIP 105744; DSM 44385; JCM 11950

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y10077 Analyse FASTA

Valid publication: Collins MD, Falsen E, Akervall E, Sjoden B, Alvarez A. Corynebacterium kroppenstedtii sp. nov., a novel corynebacterium that does not contain mycolic acids. Int J Syst Bacteriol 1998; 48:1449-1454.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 4 of the IJSB. Int J Syst Bacteriol 1999; 49:5-6.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Synonyms:

Name	Kind
Corynebacterium pseudokroppenstedtii Luo et al. 2022	heterotypic synonym, validly published under the ICNP
Corynebacterium parakroppenstedtii Luo et al. 2022	heterotypic synonym, validly published under the ICNP

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:
- ⏰ According to Committee (2025), this species is an earlier heterotypic synonym of Corynebacterium parakroppenstedtii Luo et al. 2022. Publication: Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
- ⏰ According to Committee (2025), this species is an earlier heterotypic synonym of Corynebacterium pseudokroppenstedtii Luo et al. 2022. Publication: Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
- 😷 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 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 70 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.
- ⚠ This name is retained (and recommended for medical use. This will change in the future) instead of Corynebacterium parakroppenstedtii Luo et al. 2022. Publication: Luo Q, Chen Q, Feng J, Zhang T, Luo L, Chen C, Liu X, Xu N, Qu P. Classification of 27 Corynebacterium kroppenstedtii-Like Isolates Associated with Mastitis in China and Descriptions of C. parakroppenstedtii sp. nov. and C. pseudokroppenstedtii sp. nov. Microbiol Spectr 2022; 10:e0137221. Oren A, Garrity GM. Validation list no. 207. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5517.
- ⚠ This name is retained (and recommended for medical use. This will change in the future) instead of Corynebacterium pseudokroppenstedtii Luo et al. 2022. Publication: Luo Q, Chen Q, Feng J, Zhang T, Luo L, Chen C, Liu X, Xu N, Qu P. Classification of 27 Corynebacterium kroppenstedtii-Like Isolates Associated with Mastitis in China and Descriptions of C. parakroppenstedtii sp. nov. and C. pseudokroppenstedtii sp. nov. Microbiol Spectr 2022; 10:e0137221. Oren A, Garrity GM. Validation list no. 207. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5517.
- 🧍 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 2022; 168:0.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1

Child taxa:

Name	Nomenclatural status	Taxonomic status
"Corynebacterium kroppenstedtii subsp. demodicis" Clanner-Engelshofen et al. 2020	not validly published	preferred name

Parent taxon: Corynebacterium Lehmann and Neumann 1896 (Approved Lists 1980)

Assigned by: Collins MD, Falsen E, Akervall E, Sjoden B, Alvarez A. Corynebacterium kroppenstedtii sp. nov., a novel corynebacterium that does not contain mycolic acids. Int J Syst Bacteriol 1998; 48:1449-1454.

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Record number: 775208

This LPSN page was printed on 2025-07-14 00:23:42

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Species Corynebacterium kroppenstedtii

Species ***Corynebacterium* *kroppenstedtii***