Name: Actinopolymorpha alba Cao et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: al’ba. L. fem. adj. alba, white, referring to the white substrate mycelium

Gender: feminine

Type strain: CCTCC AA 208030; DSM 45243; JCM 16897; YIM 48868

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU706350 Analyse FASTA

Valid publication: Cao YR, Jiang Y, Wu JY, Xu LH, Jiang CL. Actinopolymorpha alba sp. nov., isolated from a rhizosphere soil. Int J Syst Evol Microbiol 2009; 59:2200-2203.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 9 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2921-2922.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• 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 genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • 🧬 The phylogenomic assignment score of this taxon is -0.01276 (N = 1).
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 3 times in PubMed until 2024-03-27.

Parent taxon: Actinopolymorpha Wang et al. 2001

Assigned by: Cao YR, Jiang Y, Wu JY, Xu LH, Jiang CL. Actinopolymorpha alba sp. nov., isolated from a rhizosphere soil. Int J Syst Evol Microbiol 2009; 59:2200-2203.

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Record number: 788070