Species ***Nocardia* *testacea***

Classification:

Bacteria Bacillati Actinomycetota Actinomycetes Mycobacteriales Nocardiaceae Nocardia Nocardia testacea

Name: Nocardia testacea corrig. Kageyama et al. 2004

Category, proposed as: species, sp. nov.

Etymology: tes.ta’ce.a. L. fem. adj. testacea, brick-colored, referring to the brick colony color

Pronunciation (Latin), gender: no-KAR-di-a tes-TA-ke-a, feminine

Type strain: DSM 44765; IFM 937; JCM 12235; NBRC 100365

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB192415 Analyse FASTA

Effective publication: Kageyama A, Yazawa K, Nishimura K, Mikami Y. Nocardia testaceus sp. nov. and Nocardia senatus sp. nov., isolated from patients in Japan. Microbiol Immunol 2004; 48:271-276. 🇯🇵

IJSEM list: Euzeby JP. Validation list no. 98. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2004; 54:1005-1006.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Synonyms:

Name	Kind
Nocardia testaceus Kageyama et al. 2004	other spelling of name, inaccurate spelling

Notes:
- 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
- 😷 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 Germany has been imported on 2026-08-13. 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 5 times in PubMed until 2026-06-11.
- 🙆 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.
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). 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. 🇩🇪
- 🧍 The original spelling, Nocardia testaceus (sic), has been corrected on validation according to Rule 61. Publication: Euzeby JP. Validation list no. 98. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2004; 54:1005-1006.
- 🧍 The original spelling, Nocardia testaceus (sic), has been corrected on validation according to Rule 61. Publication: Euzeby JP. Validation list no. 98. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2004; 54:1005-1006.
- 🧍 The specific epithet is a L. adj., not a N.L. gen. n. as cited in the paper by Kageyama et al. 2004. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592. 🇫🇷

Parent taxon: Nocardia Trevisan 1889 (Approved Lists 1980)

Assigned by: Kageyama A, Yazawa K, Nishimura K, Mikami Y. Nocardia testaceus sp. nov. and Nocardia senatus sp. nov., isolated from patients in Japan. Microbiol Immunol 2004; 48:271-276. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.778796Link copied to clipboard

Record number: 778796

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Species ***Nocardia* *testacea***