Name: Cystobacter violaceus (ex Kühlwein and Gallwitz 1958) Reichenbach 2007

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: vi.o.la’ce.us. L. masc. adj. violaceus, violet colored

Gender: masculine

Type strain: Cb vi61; CIP 109131; DSM 14727; JCM 12629

See detailed strain information at

16S rRNA gene: DQ768114 Analyse FASTA

Effective publication: Reichenbach H. Genus I. Cystobacter Schroeter 1886, 170AL. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1086-1096.

IJSEM list: Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Archangium violaceum (Reichenbach 2007 ex Kühlwein and Gallwitz 1958) Lang et al. 2015

Risk group: 1

• Synonyms:

  • Name	Kind
    Archangium violaceum (Reichenbach 2007 ex Kühlwein and Gallwitz 1958) Lang et al. 2015	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Cystobacter violaceus 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 Cystobacter.
  • 😷 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.
  • 🎓 Name mentioned 8 times in PubMed until 2025-06-04.
  • 🧍 In the effective publication, Cystobacter violaceus is cited as a new combination. — 🧍 The type strain CIP 109131 has been provided on request for validation. Publication: Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Parent taxon: Cystobacter Schroeter 1886 (Approved Lists 1980)

Assigned by: Reichenbach H. Genus I. Cystobacter Schroeter 1886, 170AL. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1086-1096.

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Record number: 775378