Name: "Cognatundibacterium jejuense" (Kim et al. 2014) Lu et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Undibacterium jejuense Kim et al. 2014

Etymology: je.ju.en’se. N.L. neut. adj. jejuense, pertaining to Jeju Island where the type strain was isolated

Pronunciation, gender: je-ju-EN-se, neuter

Nomenclatural type: DSM 19386; JS4-4; KACC 12607; NBRC 108922

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KC735150 Analyse FASTA

Original publication: Lu HB, Kong LY, Chen L, Chen GJ, Wang JJ. Isolation of diverse Undibacterium-related strains from alpine lakes and re-examining the taxonomic status of this genus. Syst Appl Microbiol 2025; 48:126661.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Undibacterium jejuense Kim et al. 2014

• Synonyms:

  • Name	Kind
    Undibacterium jejuense Kim et al. 2014	homotypic synonym, validly published under the ICNP

Parent taxon: "Cognatundibacterium" Lu et al. 2025

Assigned by: Lu HB, Kong LY, Chen L, Chen GJ, Wang JJ. Isolation of diverse Undibacterium-related strains from alpine lakes and re-examining the taxonomic status of this genus. Syst Appl Microbiol 2025; 48:126661.

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Record number: 67611