Name: Xanthobacter flavus Malik and Claus 1979 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: fla’vus. L. masc. adj. flavus, yellow

Gender: masculine

Type strain: 301; ATCC 35867; BCRC 12271; CCRC 12271; CIP 105434; DSM 338; DSM 43145; DSM 43201; IFO 14759; JCM 1204; LMG 7045; NBRC 14759; NCIB 10071; NCIMB 10071; NRRL B-14838; VKM B-2106

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X94199 Analyse FASTA

Effective publication: Malik KA, Claus D. Xanthobacter flavus, a new species of nitrogen-fixing hydrogen bacteria. International Journal of Systematic Bacteriology 1979; 29:283-287.

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: correct name

Risk group: 1

• Emendations:
  • Reding et al. 1992 Reding HK, Croes GL, Dijkhuizen L, Wiegel J. Emendation of Xanthobacter flavus as a motile species. Int J Syst Bacteriol 1992; 42:309-311.
    Notes:
    • 🧍 This emendation was not found in the expected IJSEM notification list.

• Notes:
  • 😷 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 33 times in PubMed until 2024-03-28.

Parent taxon: Xanthobacter Wiegel et al. 1978 (Approved Lists 1980)

Assigned by: Malik KA, Claus D. Xanthobacter flavus, a new species of nitrogen-fixing hydrogen bacteria. International Journal of Systematic Bacteriology 1979; 29:283-287.

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Record number: 783122