Name: Xanthobacter autotrophicus (Baumgarten et al. 1974) Wiegel et al. 1978 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Corynebacterium autotrophicum" Baumgarten et al. 1974

Etymology: au.to.tro’phi.cus. Gr. masc. pron. autos, self; N.L. masc. adj. trophicus, nursing, tending or feeding; from Gr. masc. adj. trophikos, nursing; N.L. masc. adj. autotrophicus, self feeding, referring to the ability of the organism to use CO2 as a sole carbon source

Gender: masculine

Type strain: 7c; ATCC 35674; BCRC 12235; CCRC 12235; CIP 105431; DSM 432; IAM 12579; IAM 12636; JCM 1202; LMG 7043; NBRC 102463; NRRL B-14836

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X94201 Analyse FASTA

Effective publication: Wiegel J, Wilke D, Baumgarten J, Opitz R, Schlegel HG. Tranfer of the nitrogen-fixing hydrogen bacterium Corynebacterium autotrophicum Baumgarten et al. to Xanthobacter gen. nov. International Journal of Systematic Bacteriology 1978; 28:573-581.

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

• Synonyms:

  • Name	Kind
    "Corynebacterium autotrophicum" Baumgarten et al. 1974	homotypic synonym, not validly published, basonym of name in Approved Lists

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Xanthobacter Wiegel et al. 1978 (Approved Lists 1980). Publication: Wiegel J, Wilke D, Baumgarten J, Opitz R, Schlegel HG. Transfer of the nitrogen-fixing hydrogen bacterium Corynebacterium autotrophicum Baumgarten et al. to Xanthobacter gen. nov. International Journal of Systematic Bacteriology 1978; 28:573-581.
  • 😷 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. — 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 137 times in PubMed until 2024-03-27.

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

Assigned by: Wiegel J, Wilke D, Baumgarten J, Opitz R, Schlegel HG. Tranfer of the nitrogen-fixing hydrogen bacterium Corynebacterium autotrophicum Baumgarten et al. to Xanthobacter gen. nov. International Journal of Systematic Bacteriology 1978; 28:573-581.

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Record number: 783121