Name: "Caulobacter variabilis" Poindexter 1964

Category: Species

Proposed as: sp. nov.

Etymology: va.ri.a’bi.lis. L. masc. adj. variabilis, variable

Pronunciation (Latin), gender: … wa-ri-A-bi-lis, masculine

Nomenclatural type: ATCC 15255; CB 17; DSM 4737

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ227783 Analyse FASTA

Original publication: Poindexter JS. BIOLOGICAL PROPERTIES AND CLASSIFICATION OF THE CAULOBACTER GROUP. Bacteriol Rev 1964; 28:231-295.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Brevundimonas variabilis (Poindexter 1989 ex Poindexter 1964) Abraham et al. 1999

Risk group: 1

• Synonyms:

  • Name	Kind
    Caulobacter variabilis (ex Poindexter 1964) Poindexter 1989	homotypic synonym, validly published under the ICNP
    Brevundimonas variabilis (Poindexter 1989 ex Poindexter 1964) Abraham et al. 1999	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 2023-10-29. 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.

Parent taxon: Caulobacter Henrici and Johnson 1935 (Approved Lists 1980)

Assigned by: Poindexter JS. BIOLOGICAL PROPERTIES AND CLASSIFICATION OF THE CAULOBACTER GROUP. Bacteriol Rev 1964; 28:231-295.

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Record number: 33499