Name: Flexibacter japonensis Fujita et al. 1997

Category: Species

Proposed as: sp. nov.

Etymology: ja.po.nen’sis. N.L. masc./fem. adj. japonensis, pertaining to Japan

Gender: masculine

Type strain: 758; CIP 105790; DSM 13484; IFO 16041; JCM 9735; NBRC 16041

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078055 Analyse FASTA

Effective publication: Fujita T, Okamoto M, Kosako Y, Okuhara M. Flexibacter japonensis sp. nov., a new species that produces a novel inhibitor of human leukocyte elastase isolated from soil. Curr Microbiol 1996; 33:89-93.

IJSEM list: Anonymous. Validation list no. 61. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1997; 47:601-602.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Chitinophaga japonensis (Fujita et al. 1997) Kämpfer et al. 2006

Risk group: 2

• Synonyms:

  • Name	Kind
    Chitinophaga japonensis (Fujita et al. 1997) Kämpfer et al. 2006	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Flexibacter japonensis 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 Flexibacter.
  • 😷 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 = 2. — 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: Flexibacter Soriano 1945 (Approved Lists 1980)

Assigned by: Fujita T, Okamoto M, Kosako Y, Okuhara M. Flexibacter japonensis sp. nov., a new species that produces a novel inhibitor of human leukocyte elastase isolated from soil. Curr Microbiol 1996; 33:89-93.

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Record number: 785455