Species Flexibacter sancti

Name: Flexibacter sancti Lewin 1969 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: sanc’ti. L. gen. masc. n. sancti, of a saint, named perhaps in honor of Dr. Santos Soriano, from whose laboratory the type strain was supplied

Pronunciation (Latin), gender: fle-xi-BAK-ter SANK-ti, masculine

Type strain: ATCC 23092; DSM 784; HAMBI 1988; IFO 15057; LMG 8377; NBRC 15057; VKM B-1428

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078066 Analyse FASTA

Effective publication: Lewin RA. A classification of flexibacteria. J Gen Microbiol 1969; 58:189-206.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Chitinophaga sancti (Lewin 1969) Kämpfer et al. 2006

Risk group: 1

• Synonyms:

  • Name	Kind
    Chitinophaga sancti (Lewin 1969) Kämpfer et al. 2006	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Flexibacter sancti 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 = 1. — The risk group for Germany has been imported on 2026-08-13. 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 5 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Flexibacter Soriano 1945 (Approved Lists 1980)

Assigned by: Lewin RA. A classification of flexibacteria. J Gen Microbiol 1969; 58:189-206.

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Record number: 785447