Name: Chromatium purpuratum Imhoff and Trüper 1980

Category: Species

Proposed as: sp. nov.

Etymology: pur.pu.ra’tum. L. neut. adj. purpuratum, clad in purple, dressed in purple

Gender: neuter

Type strain: 984; BN 5500; DSM 1591

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU850807 Analyse FASTA

Effective publication: Imhoff JF, Trüper HG. Chromatium purpuratum, sp. nov., a new species of the Chromatiaceae. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. Reihe C 1980; 1:61-69.

IJSEM list: Anonymous. Validation list no. 4. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1980; 30:601.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Marichromatium purpuratum (Imhoff and Trüper 1980) Imhoff et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Marichromatium purpuratum (Imhoff and Trüper 1980) Imhoff et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Chromatium purpuratum 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 11 times in PubMed until 2024-03-28.

Parent taxon: Chromatium Perty 1852 (Approved Lists 1980)

Assigned by: Imhoff JF, Trüper HG. Chromatium purpuratum, sp. nov., a new species of the Chromatiaceae. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. Reihe C 1980; 1:61-69.

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Record number: 774685