Name: Chromatium violascens Perty 1852 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: N.L. part. adj. violascens, becoming violet

Gender: neuter

Type strain: 6111; ATCC 17096; Carmel River; DSM 198; SMG 198

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ224438 Analyse FASTA

Effective publication: Perty M. Zur Kenntnis kleinster Lebensformen I-VIII. Jent and Reinert, Bern, 1852.

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

Correct name: Thiocystis violascens (Perty 1852) Imhoff et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Thiocystis violascens (Perty 1852) Imhoff et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Chromatium violascens 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 Chromatium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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.
  • 🎓 Name mentioned 1 time in PubMed until 2024-03-27.
  • 🧍 The type strain ATCC 17096 has been deaccessioned. — Tang J. Personal communication, 2001-12-20.

Parent taxon: Chromatium Perty 1852 (Approved Lists 1980)

Assigned by: Perty M. Zur Kenntnis kleinster Lebensformen I-VIII. Jent and Reinert, Bern, 1852.

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Record number: 774690