Name: Pseudonocardia alni (Evtushenko et al. 1989) Warwick et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Amycolata alni Evtushenko et al. 1989

Etymology: al’ni. L. gen. fem. n. alni, of alder, referring to the isolation of the type strain and some other strains from alder associations

Pronunciation, gender: AL-ni, feminine

Type strain: 3LS; DSM 44104; IFO 14991; JCM 9103; NBRC 14991; VKM Ac-901

Conduct genome-based taxonomy at

16S rRNA gene: AJ252823 Analyse FASTA

Valid publication: Warwick S, Bowen T, McVeigh H, Embley TM. A phylogenetic analysis of the family Pseudonocardiaceae and the genera Actinokineospora and Saccharothrix with 16S rRNA sequences and a proposal to combine the genera Amycolata and Pseudonocardia in an emended genus Pseudonocardia. Int J Syst Bacteriol 1994; 44:293-299.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Pseudonocardia antarctica Prabahar et al. 2004	heterotypic synonym, validly published under the ICNP
    Amycolata alni Evtushenko et al. 1989	homotypic 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.
  • Butdee et al. 2025 Butdee W, Saimee Y, Suriyachadkun C, Duangmal K. Pseudonocardia spirodelae sp. nov., isolated from duckweed and formal proposal to reclassify Pseudonocardia antarctica as a later heterotypic synonym of Pseudonocardia alni and reclassify Pseudonocardia carboxydivorans as Pseudonocardia alni subsp. carboxydivorans. Int J Syst Evol Microbiol 2025; 75:6608. Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 1 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6689.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • ⏰ According to Butdee et al. (2025), this species is an earlier heterotypic synonym of Pseudonocardia antarctica Prabahar et al. 2004. Publication: Butdee W, Saimee Y, Suriyachadkun C, Duangmal K. Pseudonocardia spirodelae sp. nov., isolated from duckweed and formal proposal to reclassify Pseudonocardia antarctica as a later heterotypic synonym of Pseudonocardia alni and reclassify Pseudonocardia carboxydivorans as Pseudonocardia alni subsp. carboxydivorans. Int J Syst Evol Microbiol 2025; 75:6608.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 1 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6689.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧬 The phylogenomic assignment score of this taxon is 0.03839 (N = 21).
  • 😷 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 = 1. — The risk group for Germany has been imported on 2023-10-29. 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 9 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 genus.
  • 🧍 This name was not found in the expected IJSEM notification list.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Pseudonocardia alni subsp. alni (Evtushenko et al. 1989) Butdee et al. 2025	validly published under the ICNP	correct name
    Pseudonocardia alni subsp. carboxydivorans (Park et al. 2008) Butdee et al. 2025	validly published under the ICNP	correct name

Parent taxon: Pseudonocardia Henssen 1957 (Approved Lists 1980)

Assigned by: Warwick S, Bowen T, McVeigh H, Embley TM. A phylogenetic analysis of the family Pseudonocardiaceae and the genera Actinokineospora and Saccharothrix with 16S rRNA sequences and a proposal to combine the genera Amycolata and Pseudonocardia in an emended genus Pseudonocardia. Int J Syst Bacteriol 1994; 44:293-299.

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Record number: 780164