Name: Blastobacter denitrificans Hirsch and Müller 1986

Category: Species

Proposed as: sp. nov.

Etymology: de.ni.tri’fi.cans. N.L. masc. part. adj. denitrificans, denitrifying

Gender: masculine

Type strain: ATCC 43295; DSM 1113; HAMBI 2266; IFAM 1005; LMG 8443; Müller 222; Strain Miiller 222; VKM B-2062

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF338176 Analyse FASTA

Effective publication: Hirsch P, Müller M. Blastobacter aggregatus sp. nov., Blastobacter capsulatus sp. nov., and Blastobacter denitrificans sp. nov., new budding bacteria from freshwater habitats. Syst. Appl. Microbiol. 1985; 6:281-286. 🇩🇪

IJSEM list: Anonymous. Validation list no. 20. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:354-356.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Bradyrhizobium denitrificans (Hirsch and Müller 1986) van Berkum et al. 2011

Risk group: 1

• Synonyms:

  • Name	Kind
    Bradyrhizobium denitrificans (Hirsch and Müller 1986) van Berkum et al. 2011	homotypic synonym, validly published under the ICNP

• Notes:
  • 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: DSM 113.
  • ❗ Blastobacter denitrificans 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 Blastobacter.
  • 😷 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 14 times in PubMed until 2025-06-04.
  • 🧍 On the Validation List no. 20, the type strain DSM 1113 is incorrectly cited as DSM 113. Publication: . Erratum. Int. J. Syst. Bacteriol. 1989; 39:206.

Parent taxon: Blastobacter Zavarzin 1961 (Approved Lists 1980)

Assigned by: Hirsch P, Müller M. Blastobacter aggregatus sp. nov., Blastobacter capsulatus sp. nov., and Blastobacter denitrificans sp. nov., new budding bacteria from freshwater habitats. Syst. Appl. Microbiol. 1985; 6:281-286. 🇩🇪

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Record number: 774082