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Species Nocardia pigrifrangens

Name: Nocardia pigrifrangens Wang et al. 2004

Category, proposed as: species, sp. nov.

Etymology: pi.gri.fran’gens. L. adj. piger -gra -grum, slow; L. pres. part. frangens, breaking up small; from L. v. frango; N.L. fem. part. adj. pigrifrangens, slow to break up, referring to the fact that the substrate mycelium remains stable for up to 14 days before undergoing fragmentation

Pronunciation (Latin), gender: no-KAR-di-a pi-gri-FRAN-gens, feminine

Type strain: 7031; CGMCC 4.1808; DSM 44957; JCM 11884

16S rRNA gene: AF219974 Analysetree FASTA download

Valid publication: Wang L, Zhang Y, Huang Y, Maldonado LA, Liu Z, Goodfellow M. Nocardia pigrifrangens sp. nov., a novel actinomycete isolated from a contaminated agar plate. Int J Syst Evol Microbiol 2004; 54:1683-1686. 🇨🇳

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 5 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:3-5.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

  • Notes:
    • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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 1 time 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 genus.

Parent taxon: Nocardia Trevisan 1889 (Approved Lists 1980)

Assigned by: Wang L, Zhang Y, Huang Y, Maldonado LA, Liu Z, Goodfellow M. Nocardia pigrifrangens sp. nov., a novel actinomycete isolated from a contaminated agar plate. Int J Syst Evol Microbiol 2004; 54:1683-1686. 🇨🇳

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.778764Link copied to clipboard

Record number: 778764