Name: Chromatium salexigens Caumette et al. 1989

Category: Species

Proposed as: sp. nov.

Etymology: sal.ex’i.gens. L. masc. n. sal (gen. salis), salt; L. pres. part. exigens, demanding; N.L. part. adj. salexigens, salt-demanding

Gender: neuter

Type strain: 6310; ATCC 49190; DSM 4395; SG 3201

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X98597 Analyse FASTA

Effective publication: Caumette P, Baulaique R, Matheron R. Characterization of Chromatium salexigens sp. nov., a halophilic Chromatiaceae isolated from Mediterranean salinas. Syst. Appl. Microbiol. 1988; 10:288-292.

IJSEM list: Anonymous. Validation list no. 28. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:93-94.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Halochromatium salexigens (Caumette et al. 1989) Imhoff et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Halochromatium salexigens (Caumette et al. 1989) Imhoff et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Chromatium salexigens 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 6 times in PubMed until 2024-03-28.
  • 🧍 On the Validation List no. 28, the page number of the effective publication is erroneously cited as 288-292. Publication: Anonymous. Validation list no. 28. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:93-94.

Parent taxon: Chromatium Perty 1852 (Approved Lists 1980)

Assigned by: Caumette P, Baulaique R, Matheron R. Characterization of Chromatium salexigens sp. nov., a halophilic Chromatiaceae isolated from Mediterranean salinas. Syst. Appl. Microbiol. 1988; 10:288-292.

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Record number: 774686