Name: Chromobacterium pseudoviolaceum Kämpfer et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: pseu.do.vi.o.la’ce.um. Gr. neut. adj. pseudes, false; L. neut. adj. violaceum, violet-coloured and also a bacterial specific epithet; N.L. neut. adj. pseudoviolaceum, not the true Chromobacterium violaceum

Gender: neuter

Type strain: ATCC 7461; CCM 2076; DSM 23279; Lewitus; LMG 3953; NCIB 8182; NCIMB 8182; NCTC 8683; P.H.A. Sneath strain LW

Conduct genome-based taxonomy at

16S rRNA gene: AJ871128 Analyse FASTA

Valid publication: Kampfer P, Busse HJ, Scholz HC. Chromobacterium piscinae sp. nov. and Chromobacterium pseudoviolaceum sp. nov., from environmental samples. Int J Syst Evol Microbiol 2009; 59:2486-2490.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 10 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:3-4.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Chromobacterium violaceum Bergonzini 1880 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    Chromobacterium violaceum Bergonzini 1880 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Kaempfer et al. (2018), this species is a later heterotypic synonym of Chromobacterium violaceum Bergonzini 1880 (Approved Lists 1980). Publication: Kampfer P, Glaeser SP, Soby SD. Chromobacterium pseudoviolaceum Kampfer et al. 2009 is a later heterotypic synonym of Chromobacterium violaceum Bergonzini 1880. Int J Syst Evol Microbiol 2018; 68:2967-2968.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 9 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3685-3687.
  • ❗ Chromobacterium pseudoviolaceum 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 Chromobacterium.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - biological class of risk animal: 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht".
  • 🎓 Name mentioned 5 times in PubMed until 2024-03-28.
  • 🧍 In the paper by Kämpfer et al. 2009, the type strain is cited as LMG 3953 (= CCM 2076 = NCTC 8182). However, the strain NCTC 8182 is a strain of Streptococcus agalactiae! Publication: . Erratum. Int. J. Syst. Evol. Microbiol. 2009; 59:3184.

Parent taxon: Chromobacterium Bergonzini 1880 (Approved Lists 1980)

Assigned by: Kampfer P, Busse HJ, Scholz HC. Chromobacterium piscinae sp. nov. and Chromobacterium pseudoviolaceum sp. nov., from environmental samples. Int J Syst Evol Microbiol 2009; 59:2486-2490.

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Record number: 788119