Name: Undibacterium cyanobacteriorum Le et al. 2025

Category: Species

Proposed as: sp. nov.

Etymology: cy.a.no.bac.te.ri.o’rum. N.L. gen. neut. pl. n. cyanobacteriorum, of cyanobacteria

Pronunciation (Latin), gender: … ky-a-no-bak-te-ri-O-rum, neuter

Type strain: 20NA775; KCTC 8005; LMG 33136

Conduct genome-based taxonomy at

16S rRNA gene: OR523365 Analyse FASTA

Effective publication: Van Le V, Ko SR, Nguyen LTT, Kim JC, Shin Y, Kim K, Ahn CY. Undibacterium cyanobacteriorum sp. nov., an auxin-producing bacterium isolated from fresh water during cyanobacterial bloom period. Antonie Van Leeuwenhoek 2024; 117:99. 🇰🇷

IJSEM list: Oren A, Göker M. Validation list no. 221. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6562.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Affinundibacterium cyanobacteriorum (Le et al. 2025) Lu et al. 2026

• Synonyms:

  • Name	Kind
    Affinundibacterium cyanobacteriorum (Le et al. 2025) Lu et al. 2026	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Undibacterium cyanobacteriorum is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Undibacterium.
  • 🎓 Name mentioned 1 time in PubMed until 2026-02-10.

Parent taxon: Undibacterium Kämpfer et al. 2007

Assigned by: Van Le V, Ko SR, Nguyen LTT, Kim JC, Shin Y, Kim K, Ahn CY. Undibacterium cyanobacteriorum sp. nov., an auxin-producing bacterium isolated from fresh water during cyanobacterial bloom period. Antonie Van Leeuwenhoek 2024; 117:99. 🇰🇷

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Record number: 57206